Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

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Item 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO CONSOLIDATED FINANCIAL STATEMENTSPAGE
Report of Independent Registered Public Accounting Firm on Consolidated Financial Statements59
Report of Independent Registered Public Accounting Firm on Internal Control Over Financial Reporting61
Consolidated Balance Sheets62
Consolidated Statements of Operations64
Consolidated Statements of Comprehensive Income (Loss)65
Consolidated Statements of Stockholders’ Equity66
Consolidated Statements of Cash Flows67
Notes to Consolidated Financial Statements68
Note 1 - Summary of Significant Accounting Policies68
Note 2 - Revenue77
Note 3 - Inventories79
Note 4 - Investments and Related-Party Transactions79
Note 5 - Acquisitions, Divestitures and Other Transactions81
Note 6 - Long-term Debt84
Note 7 - Lease Commitments89
Note 8 - Derivatives90
Note 9 - Fair Value Measurements94
Note 10 - Income Taxes96
Note 11 - Retirement and Postretirement Benefit Plans98
Note 12 - Environmental Liabilities and Expenditures103
Note 13 - Lawsuits, Claims, Commitments and Contingencies104
Note 14 - Stockholders’ Equity106
Note 15 - Stock-Based Incentive Plans107
Note 16 - Industry Segments and Geographic Areas110
Supplemental Oil and Gas Information (Unaudited)113
Schedule II – Valuation and Qualifying Accounts129
58OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS REPORT

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors

Occidental Petroleum Corporation:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheets of Occidental Petroleum Corporation and subsidiaries (the Company) as of December 31, 2021 and 2020, the related consolidated statements of operations, comprehensive income (loss), stockholders’ equity, and cash flows for each of the years in the three‑year period ended December 31, 2021, and the related notes and financial statement schedule II – valuation and qualifying accounts (collectively, the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the years in the three‑year period ended December 31, 2021, in conformity with U.S. generally accepted accounting principles.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission, and our report dated February 24, 2022 expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting*.*

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matters

The critical audit matters communicated below are matters arising from the current period audit of the consolidated financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing separate opinions on the critical audit matters or on the accounts or disclosures to which they relate.

Evaluation of the environmental liability associated with the lower 8.3 miles of the Lower Passaic River site

As discussed in Notes 1 and 12 to the consolidated financial statements, the Company accrues a liability for estimated environmental remedial activities when it is probable a liability has been incurred and the amount of remediation costs can be estimated. The Company accrued a liability related to its estimated allocable share of the costs to perform the remedial activities required for the lower 8.3 miles of the Lower Passaic River site. As of December 31, 2021, the Company’s total estimated environmental liabilities were $1.1 billion, which includes the estimated environmental liability for the lower 8.3 miles of the Lower Passaic River site.

We identified the evaluation of the environmental liability associated with the lower 8.3 miles of the Lower Passaic River site as a critical audit matter. There was a high degree of subjective auditor judgment in applying and evaluating the results of our procedures. This is due to (1) possible changes to expected remedial activities to implement the proposed clean-up plan outlined in the Record of Decision (ROD) issued by the Environmental Protection Agency (EPA) and their estimated costs, and (2) possible changes to the Company’s estimated share of the remediation costs.

OXY 2021 FORM 10-K59
oxy-20211231_g1.jpgFINANCIAL STATEMENTS REPORT

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls over the Company’s environmental liability process to estimate the cost of remedial activities and estimate the Company’s allocable share of the remediation costs. We evaluated the remedial activities and related cost assumptions used by the Company by comparing them against remedial activities and cost estimates provided by the EPA in the ROD. We compared certain design documentation provided by the Company to the EPA in order to identify potential differences between the design plan and the ROD and assessed the impact of any such differences on the remediation cost assumptions used by the Company to estimate the liability. We assessed the Company’s assumption for its allocable share of the remediation costs and analyzed publicly available data sources for information that might be contrary to the information used by the Company. We involved an environmental analysis professional with specialized skills and knowledge who assisted in reading correspondence between the Company and the EPA related to the design phase for this site to assess the Company’s remediation cost assumptions.

Assessment of the estimated proved oil and gas reserves on the determination of depreciation and depletion expense related to proved oil and gas properties

As discussed in Note 1 to the consolidated financial statements, the Company determines depreciation and depletion of oil and gas producing properties by the unit-of-production method. Under this method, capitalized costs are amortized over estimated proved reserves. For the year ended December 31, 2021, the Company recorded depreciation and depletion expense related to proved oil and gas properties of $7.7 billion.

We identified the assessment of the estimated proved oil and gas reserves on the determination of depreciation and depletion expense related to proved oil and gas properties as a critical audit matter. Complex auditor judgment was required to assess the Company’s estimate of proved oil and gas reserves, which is a key input for the determination of depreciation and depletion expense. Estimating proved oil and gas reserves requires the expertise of professional petroleum reservoir engineers. The key assumptions included (1) commodity prices, inclusive of market differentials, (2) estimated future production quantities, and (3) estimated operating and capital costs.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of certain internal controls over the Company’s depreciation and depletion process, including the estimation of proved oil and gas reserves. We analyzed and assessed the determination of depreciation and depletion expense for compliance with industry and regulatory standards. We assessed compliance of the methodology used by the Company’s engineering and technical staff to estimate proved oil and gas reserves with industry and regulatory standards. We read the findings of the independent reservoir engineering specialist’s review of the methods and procedures used by the Company in estimating the proved reserves for compliance with industry and regulatory standards. We assessed the commodity prices, including relevant market differentials, used by the Company’s engineering and technical staff by comparing them to publicly available prices, adjusted for historical market differentials. To assess the Company’s ability to accurately estimate future production quantities, we compared the future production quantity assumptions used by the Company in prior periods to the actual production amounts. We compared the estimated future production quantities used by the Company in the current period to historical production rates. We evaluated the operating and capital cost assumptions used by the Company’s engineering and technical staff by comparing them to historical costs. We evaluated the professional qualifications and the knowledge, skills, and ability of the Company’s internal reserve engineers and the independent reservoir engineering specialists engaged by the Company.

/s/ KPMG LLP

We have served as the Company’s auditor since 2002.

Houston, Texas

February 24, 2022

60OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS REPORT

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors

Occidental Petroleum Corporation:

Opinion on Internal Control Over Financial Reporting

We have audited Occidental Petroleum Corporation and subsidiaries’ (the Company) internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2021, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2021 and 2020, the related consolidated statements of operations, comprehensive income (loss), stockholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2021, and the related notes and financial statement schedule II – valuation and qualifying accounts (collectively, the consolidated financial statements), and our report dated February 24, 2022 expressed an unqualified opinion on those consolidated financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Annual Assessment of and Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ KPMG LLP

Houston, Texas

February 24, 2022

OXY 2021 FORM 10-K61
oxy-20211231_g1.jpgFINANCIAL STATEMENTS
Consolidated Balance SheetsOccidental Petroleum Corporation and Subsidiaries
December 31,
millions20212020
ASSETS
CURRENT ASSETS
Cash and cash equivalents$2,764$2,008
Restricted cash and restricted cash equivalents24170
Trade receivables, net of reserves of $35 in 2021 and $24 in 20204,2082,115
Inventories1,8461,898
Assets held for sale721,433
Other current assets1,2971,195
Total current assets10,2118,819
INVESTMENTS IN UNCONSOLIDATED ENTITIES2,9383,250
PROPERTY, PLANT AND EQUIPMENT
Oil and gas101,251102,454
Chemical7,5717,356
Midstream and marketing8,3718,232
Corporate964922
118,157118,964
Accumulated depreciation, depletion and amortization(58,227)(53,075)
Total property, plant and equipment, net59,93065,889
OPERATING LEASE ASSETS7261,062
LONG-TERM RECEIVABLES AND OTHER ASSETS, NET1,2311,044
TOTAL ASSETS$75,036$80,064

The accompanying notes are an integral part of these consolidated financial statements.

62OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS
Consolidated Balance SheetsOccidental Petroleum Corporation and Subsidiaries
December 31,
millions except share and per-share amounts20212020
LIABILITIES AND EQUITY
CURRENT LIABILITIES
Current maturities of long-term debt (a)$186$440
Current operating lease liabilities186473
Accounts payable3,8992,987
Accrued liabilities4,0463,570
Liabilities of assets held for sale7753
Total current liabilities8,3248,223
LONG-TERM DEBT, NET
Long-term debt, net (b)29,43135,745
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred income taxes, net7,0397,113
Asset retirement obligations3,6873,977
Pension and postretirement obligations1,5401,763
Environmental remediation liabilities9441,028
Operating lease liabilities585641
Other3,1593,001
Total deferred credits and other liabilities16,95417,523
EQUITY
Preferred stock, at $1.00 per share par value (100,000 shares as of December 31, 2021 and 2020)9,7629,762
Common stock, $0.20 per share par value, authorized shares: 1.5 billion, issued shares: 2021 — 1,083,423,094 and 2020 — 1,080,564,947217216
Treasury stock: 2021 — 149,348,394 shares and 2020 — 149,051,634 shares(10,673)(10,665)
Additional paid-in capital16,74916,552
Retained earnings4,4802,996
Accumulated other comprehensive loss(208)(288)
Total stockholders’ equity20,32718,573
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY$75,036$80,064

(a)Included $85 million and $42 million of current finance lease liabilities as of December 31, 2021, and 2020, respectively.

(b)Included $504 million and $316 million of finance lease liabilities as of December 31, 2021, and 2020, respectively.

The accompanying notes are an integral part of these consolidated financial statements.

OXY 2021 FORM 10-K63
oxy-20211231_g1.jpgFINANCIAL STATEMENTS
Consolidated Statements of OperationsOccidental Petroleum Corporation and Subsidiaries
Years Ended December 31,
millions except per-share amounts202120202019
REVENUES AND OTHER INCOME
Net sales$25,956$17,809$20,911
Interest, dividends and other income166118217
Gains (losses) on sale of assets, net192(1,666)622
Total26,31416,26121,750
COSTS AND OTHER DEDUCTIONS
Oil and gas operating expense3,1603,0653,282
Transportation and gathering expense1,4191,600635
Chemical and midstream cost of sales2,7722,4082,791
Purchased commodities2,3081,3951,679
Selling, general and administrative863864893
Other operating and non-operating expense1,0658841,421
Depreciation, depletion and amortization8,4478,0976,140
Asset impairments and other charges30411,0831,361
Taxes other than on income1,005622840
Anadarko Acquisition-related costs1533391,647
Exploration expense252132247
Interest and debt expense, net1,6141,4241,066
Total23,36231,91322,002
Income (loss) before income taxes and other items2,952(15,652)(252)
OTHER ITEMS
Gains (losses) on interest rate swaps and warrants, net122(423)233
Income from equity investments631370373
Total753(53)606
Income (loss) from continuing operations before income taxes3,705(15,705)354
Income tax benefit (expense)(915)2,172(861)
Income (loss) from continuing operations2,790(13,533)(507)
Loss from discontinued operations, net of tax(468)(1,298)(15)
NET INCOME (LOSS)2,322(14,831)(522)
Less: Net income attributable to noncontrolling interest——(145)
Less: Preferred stock dividends(800)(844)(318)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS1,522$(15,675)$(985)
PER COMMON SHARE
Income (loss) from continuing operations—basic$2.12$(15.65)$(1.20)
Loss from discontinued operations—basic(0.50)(1.41)(0.02)
Net income (loss) attributable to common stockholders—basic$1.62$(17.06)$(1.22)
Income (loss) from continuing operations—diluted$2.06$(15.65)$(1.20)
Loss from discontinued operations—diluted(0.48)(1.41)(0.02)
Net income (loss) attributable to common stockholders—diluted$1.58$(17.06)$(1.22)

The accompanying notes are an integral part of these consolidated financial statements.

64OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS
Consolidated Statements of Comprehensive Income (Loss)Occidental Petroleum Corporation and Subsidiaries
Years Ended December 31,
millions202120202019
Net income (loss)$2,322$(14,831)$(522)
Other comprehensive income (loss) items:
Gains (losses) on derivatives (a)144(127)
Pension and postretirement gains (losses) (b)67(71)78
Other(1)——
Other comprehensive income (loss), net of tax80(67)(49)
Comprehensive income (loss)2,402(14,898)(571)
Less: Comprehensive income attributable to noncontrolling interests——(145)
Comprehensive income (loss) attributable to preferred and common stockholders$2,402$(14,898)$(716)

(a)Net of tax benefit (expense) of $(4), $(1) and $36 in 2021, 2020 and 2019, respectively.

(b)Net of tax benefit (expense) of $(18), $24 and $(25) in 2021, 2020 and 2019, respectively. See Note 11 - Retirement and Postretirement Benefit Plans in the Notes to Consolidated Financial Statements in Part II Item 8 of this Form 10-K for additional information.

The accompanying notes are an integral part of these consolidated financial statements.

OXY 2021 FORM 10-K65
oxy-20211231_g1.jpgFINANCIAL STATEMENTS
Consolidated Statements of Stockholders’ EquityOccidental Petroleum Corporation and Subsidiaries
Equity Attributable to Common Stock
Preferred StockCommon StockTreasury StockAdditional Paid-in CapitalRetained EarningsAccumulated Other Comprehensive Income (Loss)Non-controlling InterestsTotal Equity
Balance, December 31, 2018$—$179$(10,473)$8,046$23,750$(172)$—$21,330
Net income (loss)————(667)—145(522)
Other comprehensive loss, net of tax—————(49)—(49)
Dividends on common stock, $3.14 per share————(2,585)——(2,585)
Dividends on preferred stock, $3,489 per share————(318)——(318)
Issuance of common stock, net—30—6,909———6,939
Issuance of preferred stock9,762——————9,762
Purchases of treasury stock——(180)————(180)
Fair value of noncontrolling interest acquired——————4,8954,895
Noncontrolling interest distributions, net—————(131)(131)
Change in control WES——————(4,909)(4,909)
Balance, December 31, 2019$9,762$209$(10,653)$14,955$20,180$(221)$—$34,232
Net loss————(14,831)——(14,831)
Other comprehensive loss, net of tax—————(67)—(67)
Dividends on common stock, $0.82 per share————(746)——(746)
Dividends on preferred stock, $8,444 per share—6—438(844)——(400)
Issuance of warrants on common stock———767(763)——4
Berkshire Warrants———103———103
Issuance of common stock and other, net—1—289———290
Purchases of treasury stock——(12)————(12)
Balance, December 31, 2020$9,762$216$(10,665)$16,552$2,996$(288)$—$18,573
Net income————2,322——2,322
Other comprehensive income, net of tax—————80—80
Dividends on common stock, $0.04 per share————(38)——(38)
Dividends on preferred stock, $8,000 per share————(800)——(800)
Shareholder warrants exercised———7———7
Issuance of common stock and other, net—1—190———191
Purchases of treasury stock——(8)————(8)
Balance, December 31, 2021$9,762$217$(10,673)$16,749$4,480$(208)$—$20,327

The accompanying notes are an integral part of these consolidated financial statements.

66OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS
Consolidated Statements of Cash FlowsOccidental Petroleum Corporation and Subsidiaries
Years Ended December 31,
millions202120202019
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)$2,322$(14,831)$(522)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Discontinued operations, net4681,29815
Depreciation, depletion and amortization of assets8,4478,0976,140
Deferred income tax provision (benefit)46(2,517)(1,027)
Other noncash charges to income229419958
Asset impairments and other charges30411,0021,328
(Gain) loss on sales of equity investments and other assets, net(192)1,666(622)
Undistributed earnings from affiliates(70)(61)(50)
Dry hole expense1254789
Changes in operating assets and liabilities:
(Increase) decrease in receivables(2,086)2,062401
(Increase) decrease in inventories(86)(484)78
(Increase) decrease in other current assets(119)350170
Increase (decrease) in accounts payable and accrued liabilities865(3,228)358
Increase in current domestic and foreign income taxes—2220
Operating cash flow from continuing operations10,2533,8427,336
Operating cash flow from discontinued operations, net of taxes18111339
Net cash provided by operating activities10,4343,9557,375
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures(2,870)(2,535)(6,367)
Change in capital accrual97(519)(249)
Purchase of businesses and assets, net(431)(114)(28,088)
Proceeds from sale of assets and equity investments, net1,6242,2816,143
Equity investments and other, net406109(291)
Investing cash flow from continuing operations(1,174)(778)(28,852)
Investing cash flow from discontinued operations(79)(41)(175)
Net cash used by investing activities(1,253)(819)(29,027)
CASH FLOW FROM FINANCING ACTIVITIES
Proceeds from long-term debt, net - Occidental—6,93621,557
Payments of long-term debt, net - Occidental(6,834)(8,916)(6,959)
Proceeds from long-term debt, net - WES——459
Proceeds from issuance of common and preferred stock3113410,028
Purchases of treasury stock(8)(12)(237)
Cash dividends paid on common and preferred stock(839)(1,845)(2,624)
Distributions to noncontrolling interest——(257)
Payment of liabilities associated with the sale of future royalties—(386)(28)
Financing portion of net cash received (paid) for derivative instruments(834)(362)120
Other financing, net(80)(57)137
Financing cash flow from continuing operations(8,564)(4,508)22,196
Financing cash flow from discontinued operations(8)(8)(3)
Net cash provided (used) by financing activities(8,572)(4,516)22,193
Increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents609(1,380)541
Cash, cash equivalents, restricted cash and restricted cash equivalents — beginning of year2,1943,5743,033
Cash, cash equivalents, restricted cash and restricted cash equivalents — end of year$2,803$2,194$3,574

The accompanying notes are an integral part of these consolidated financial statements.

OXY 2021 FORM 10-K67
oxy-20211231_g1.jpgFINANCIAL STATEMENTS FOOTNOTES
Notes to Consolidated Financial StatementsOccidental Petroleum Corporation and Subsidiaries
NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

NATURE OF OPERATIONS

Occidental conducts its operations through various subsidiaries and affiliates. Occidental’s principal businesses consist of three reporting segments: oil and gas, chemical and midstream and marketing. The oil and gas segment explores for, develops and produces oil (which includes condensate), NGL and natural gas. OxyChem primarily manufactures and markets basic chemicals and vinyls. The midstream and marketing segment purchases, markets, gathers, processes, transports and stores oil (which includes condensate), NGL, natural gas, CO2 and power. It also optimizes its transportation and storage capacity, and invests in entities that conduct similar activities, such as WES.

The midstream and marketing segment also includes OLCV. OLCV seeks to leverage Occidental’s legacy of carbon management expertise to develop CCUS projects, including the commercialization of DAC technology, and invests in other low-carbon technologies intended to reduce GHG emissions from our operations and strategically partner with other industries to help reduce their emissions.

PRINCIPLES OF CONSOLIDATION

The consolidated financial statements have been prepared in conformity with GAAP and include the accounts of Occidental, its subsidiaries, its undivided interests in oil and gas exploration and production ventures and, previously, variable interest entities, for which Occidental was the primary beneficiary. Occidental accounts for its share of oil and gas exploration and production ventures, in which it has a direct working interest, by reporting its proportionate share of assets, liabilities, revenues, costs and cash flows within the relevant lines on the balance sheets, statements of operations and statements of cash flows. Certain prior period amounts have been reclassified to conform to the current presentation.

WES INVESTMENT

WES is a publicly traded limited partnership with its common units traded on the NYSE under the ticker symbol “WES.” WES owns the entire non-economic general partner interest and a 98% limited partner interest in WES Operating.

As a result of certain partnership agreement amendments and other related agreements executed in 2019, Occidental does not consolidate WES under the voting interest model since Occidental does not control the power to appoint or remove a successor general partner.

As of December 31, 2021, Occidental’s equity method investment in WES was approximately $2.0 billion, which exceeds Occidental’s pro-rata interest in the net assets of WES by $362 million. This basis difference is primarily associated with WES' PP&E and equity investments and is subject to amortization over their estimated average lives. As of December 31, 2021, Occidental owned all of a 2.2% non-voting general partner interest and 49.7% of the limited partner units in WES. On a combined basis, with its 2% non-voting limited partner interest in WES Operating, Occidental's total effective economic interest in WES and its subsidiaries was 51.8%. See Note 4 - Investment and Related-Party Transactions.

INVESTMENTS IN UNCONSOLIDATED ENTITIES

Occidental’s percentage interest in the underlying net assets of affiliates for which it exercises significant influence without having a controlling interest (excluding oil and gas ventures in which Occidental holds an undivided interest) are accounted for under the equity method. Occidental reviews equity-method investments for impairment whenever events or changes in circumstances indicate that an other-than-temporary decline in value may have occurred. The amount of impairment, if any, is based on quoted market prices, when available, or other valuation techniques, including discounted cash flows. Occidental evaluates the facts and circumstances of any distributions in excess of its carrying amount in the investment to determine the appropriate accounting, including the source of the proceeds and any implicit or explicit commitments to fund the affiliate. If there is no implicit or explicit commitment the distribution is treated as a gain. If an implicit or explicit commitment exists to possibly fund the affiliate at a future date the distribution is recorded against the equity-method investment. See Note 4 - Investments and Related-Party Transactions for further discussion regarding investments in unconsolidated entities.

68OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS FOOTNOTES

DISCONTINUED OPERATIONS

In connection with the Acquisition, Occidental entered into a purchase and sale agreement with Total to sell all of the assets, liabilities, businesses and operations of Anadarko's operations in Algeria, Ghana, Mozambique and South Africa. Total and Occidental completed the sale of the Mozambique assets in September 2019 for approximately $4.2 billion and the South Africa assets in January 2020 for approximately $100 million.

In April 2020, subsequent to communications with Algerian government officials, Occidental determined that the sale of the Algeria operations to Total would not be consummated and the decision was made to continue to operate within Algeria. As a result, as of the second quarter of 2020, Occidental no longer classified the Algeria operations as a held for sale asset in discontinued operations and reclassified prior periods to reflect the Algeria operations as continuing operations.

In May 2020, Occidental and Total mutually agreed to execute a waiver of the obligation to purchase and sell the Ghana assets, and in October 2021, Occidental closed on the sale of the Ghana assets with a third party for a purchase price of $750 million. Unless otherwise indicated, information presented in the Notes to Consolidated Financial Statements relates only to Occidental's continuing operations. Information related to discontinued operations is included in Note 5 - Acquisitions, Divestitures and Other Transactions and in some instances, where appropriate, is included as a separate disclosure within the individual Notes to Consolidated Financial Statements.

RISKS AND UNCERTAINTIES

The process of preparing consolidated financial statements in conformity with GAAP requires Occidental’s management to make informed estimates and judgments regarding certain types of financial statement balances and disclosures. Such estimates primarily relate to unsettled transactions and events as of the date of the consolidated financial statements and judgments on expected outcomes as well as the materiality of transactions and balances. Changes in facts and circumstances or discovery of new information relating to such transactions and events may result in revised estimates and judgments and actual results may differ from estimates upon settlement. Management believes that these estimates and judgments provide a reasonable basis for the fair presentation of Occidental’s financial statements. Occidental establishes a valuation allowance against net operating losses and other deferred tax assets to the extent it believes the future benefit from these assets will not be realized in the statutory carryforward periods. Realization of deferred tax assets is dependent upon Occidental generating sufficient future taxable income and reversal of temporary differences in jurisdictions where such assets originate.

The accompanying consolidated financial statements include assets of approximately $7.7 billion as of December 31, 2021 and net sales of approximately $4.2 billion for the year ended December 31, 2021, relating to Occidental’s operations in countries outside North America. Occidental operates some of its oil and gas business in countries that have experienced situations including such things as political instability, nationalizations, corruption, armed conflict, terrorism, insurgency, civil unrest, security problems, labor unrest, OPEC production restrictions, equipment import restrictions and sanctions, all of which increase Occidental’s risk of loss, delayed or restricted production or may result in other adverse consequences. Occidental attempts to conduct its affairs so as to mitigate its exposure to such risks and would seek compensation in the event of nationalization.

Because Occidental’s major products are commodities, significant changes in the prices of oil, NGL, natural gas and chemical products may have a significant impact on Occidental’s results of operations. Also, see Property, Plant and Equipment section below.

RECEIVABLES AND OTHER CURRENT ASSETS

Trade receivables, net, of $4.2 billion and $2.1 billion as of December 31, 2021, and 2020, respectively, represent rights to payment for which Occidental has satisfied its obligations under a contract with a customer and its right to payment is conditioned only on the passage of time.

Other current assets includes amounts receivable from working interest partners in Occidental’s oil and gas operations, derivative assets and taxes receivable.

INVENTORIES

Materials and supplies are valued at weighted-average cost and are reviewed periodically for obsolescence. Oil, NGL and natural gas inventories are valued at the lower of cost or market.

For the chemical segment, Occidental’s finished goods inventories are valued at the lower of cost or market. For most of its domestic inventories, other than materials and supplies, the chemical segment uses the last-in, first-out (LIFO) method as it better matches current costs and current revenue. For other countries, Occidental uses the first-in, first-out method (if the costs of goods are specifically identifiable) or the average-cost method (if the costs of goods are not specifically identifiable).

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PROPERTY, PLANT AND EQUIPMENT

OIL AND GAS

The carrying value of Occidental’s PP&E represents the cost incurred to acquire or develop the asset, including any AROs and capitalized interest, net of accumulated DD&A and any impairment charges. For assets acquired, PP&E cost is based on fair values at the acquisition date. AROs and interest costs incurred in connection with qualifying capital expenditures are capitalized and amortized over the lives of the related assets.

Occidental uses the successful efforts method to account for its oil and gas properties. Under this method, Occidental capitalizes costs of acquiring properties, costs of drilling successful exploration wells and development costs. The costs of exploratory wells are initially capitalized pending a determination of whether proved reserves have been found. If proved reserves have been found, the costs of exploratory wells remain capitalized. For exploratory wells that find reserves that cannot be classified as proved when drilling is completed, costs continue to be capitalized as suspended exploratory drilling costs if there have been sufficient reserves found to justify completion as a producing well and sufficient progress is being made in assessing the reserves and the economic and operating viability of the project. At the end of each quarter, management reviews the status of all suspended exploratory drilling costs in light of ongoing exploration activities, in particular, whether Occidental is making sufficient progress in its ongoing exploration and appraisal efforts or, in the case of discoveries requiring government sanctioning, analyzing whether development negotiations are underway and proceeding as planned. If management determines that future appraisal drilling or development activities are unlikely to occur, associated suspended exploratory well costs are expensed.

The following table summarizes the activity of capitalized exploratory well costs for continuing operations for the years ended December 31:

millions202120202019
Balance — beginning of year$211$424$112
Exploratory well costs acquired through the Acquisition——231
Additions to capitalized exploratory well costs pending the determination of proved reserves163122383
Reclassifications to property, plant and equipment based on the determination of proved reserves(67)(309)(230)
Capitalized exploratory well costs charged to expense(94)(26)(72)
Balance — end of year$213$211$424

Occidental expenses annual lease rentals, the costs of injectants used in production and geological and geophysical costs as incurred.

Occidental determines depreciation and depletion of oil and gas producing properties by the unit-of-production method. It amortizes leasehold costs over total proved reserves and capitalized development and successful exploration costs over proved developed reserves. As a result of Occidental's mid-year reserve review undertaken in the second quarter of 2021, DD&A rates for the second half of 2021 were lower compared to the first half of 2021 due to increased proved reserves primarily related to positive price revisions. Proved oil, NGL and natural gas reserves were estimated during this mid-year review using the unweighted arithmetic average of the first-day-of-the-month price for each month for the twelve months ended June 30, 2021, unless prices were defined by contractual arrangements.

Proved oil and gas reserves are those quantities of oil and gas which, by analysis of geoscience and engineering data, can be estimated with reasonable certainty to be economically producible from a given date forward, from known reservoirs and under existing economic conditions, operating methods and government regulations prior to the time at which contracts providing the right to operate expire, unless evidence indicates that renewal is reasonably certain, regardless of whether deterministic or probabilistic methods are used for the estimation. Proved reserves includes PUD reserves. PUD reserves are supported by a management approved, detailed, field-level development plan where sufficient capital has been committed to develop those reserves. Only PUD reserves which are reasonably certain to be drilled within five years of booking and are supported by a final investment decision to drill them are included in the development plan. A portion of the PUD reserves associated with international operations are expected to be developed beyond the five years and are tied to approved long-term development projects.

Occidental performs impairment tests with respect to its proved properties whenever events or circumstances indicate that the carrying value of property may not be recoverable. If there is an indication the carrying amount of the asset may not be recovered due to significant and prolonged declines in current and forward prices, significant changes in reserve estimates, changes in management’s plans, or other significant events, management will evaluate the property for impairment. Under the successful efforts method, if the sum of the undiscounted cash flows is less than the carrying value of the proved property, the carrying value is reduced to estimated fair value and reported as an impairment charge in the period. Individual proved properties are grouped for impairment purposes at the lowest level for which there are identifiable cash flows unless observable and comparable transactions are available. The fair value of impaired assets is typically determined based on the present value of expected future cash flows using discount rates believed to be consistent with those used by market participants. The impairment test incorporates a number of assumptions involving expectations of future cash flows which can change significantly over time. These assumptions include estimates of future production,

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product prices, contractual prices, estimates of risk-adjusted oil and gas proved and unproved reserves and estimates of future operating and development costs. It is reasonably possible that prolonged declines in commodity prices, reduced capital spending in response to lower prices or increases in operating costs could result in additional impairments. See Note 9 - Fair Value Measurements and below for further discussion of asset impairments.

Net capitalized costs attributable to unproved properties were $14.8 billion as of December 31, 2021 and $18.6 billion as of December 31, 2020. The unproved amounts are not subject to DD&A until they are classified as proved properties. Individually insignificant unproved properties are combined and amortized on a group basis based on factors such as lease terms, success rates and other factors to provide for full amortization upon lease expiration or abandonment.

Significant unproved properties, primarily as a result of the Acquisition, are assessed individually for impairment and when events or circumstances indicate that the carrying value of property may not be recovered a valuation allowance is provided if an impairment is indicated. Occidental periodically reviews significant unproved properties for impairments; numerous factors are considered, including but not limited to, availability of funds for future exploration and development activities, current exploration and development plans, favorable or unfavorable exploration activity on the property or the adjacent property, geologists’ evaluation of the property, the current and projected political and regulatory climate, contractual conditions and the remaining lease term for the properties. If an impairment is indicated, Occidental will first determine whether a comparable transaction for similar properties or implied acreage valuation derived from domestic onshore market participants is available and will adjust the carrying amount of the unproved property to its fair value using the market approach. In situations where the market approach is not observable and unproved reserves are available, undiscounted future net cash flows used in the impairment analysis are determined based on managements’ risk adjusted estimates of unproved reserves, future commodity prices and future costs to produce the reserves. If undiscounted future net cash flows are less than the carrying value of the property, the future net cash flows are discounted and compared to the carrying value for determining the amount of the impairment loss to record. Occidental utilizes the same assumptions and methodology discussed above for cash flows associated with proved properties.

CHEMICAL

Occidental’s chemical assets are depreciated using either the unit-of-production or the straight-line method, based upon the estimated useful lives of the facilities. The estimated useful lives of Occidental’s chemical assets, which range from three years to 50 years, are also used for impairment tests. The estimated useful lives for the chemical facilities are based on the assumption that Occidental will provide an appropriate level of annual expenditures to ensure productive capacity is sustained. Such expenditures consist of ongoing routine repairs and maintenance, as well as planned major maintenance activities (PMMA). Ongoing routine repairs and maintenance expenditures are expensed as incurred. PMMA costs are capitalized and amortized over the period until the next planned overhaul. Additionally, Occidental incurs capital expenditures that extend the remaining useful lives of existing assets, increase their capacity or operating efficiency beyond the original specification or add value through modification for a different use. These capital expenditures are not considered in the initial determination of the useful lives of these assets at the time they are placed into service. The resulting revision, if any, of the asset’s estimated useful life is measured and accounted for prospectively.

Without these continued expenditures, the useful lives of these assets could decrease significantly. Other factors that could change the estimated useful lives of Occidental’s chemical assets include sustained higher or lower product prices, which are affected by domestic and international competition, demand, feedstock costs, energy prices, environmental regulations and technological changes.

Occidental performs impairment tests on its chemical assets whenever events or changes in circumstances lead to a reduction in the estimated useful lives or estimated future cash flows that would indicate that the carrying amount may not be recoverable, or when management’s plans change with respect to those assets. Any impairment loss would be calculated as the excess of the asset’s net book value over its estimated fair value.

MIDSTREAM AND MARKETING

Occidental’s midstream and marketing PP&E is depreciated over the estimated useful lives of the assets, using either the unit-of-production or straight-line method.

Occidental performs impairment tests on its midstream and marketing assets whenever events or changes in circumstances lead to a reduction in the estimated useful lives or estimated future cash flows that would indicate that the carrying amount may not be recoverable, or when management’s plans change with respect to those assets. Any impairment loss would be calculated as the excess of the asset’s net book value over its estimated fair value.

IMPAIRMENTS AND OTHER CHARGES

During 2021, Occidental’s oil and gas segment recognized pre-tax impairment and related charges of $282 million primarily related to undeveloped leases that either expired or were set to expire in the near-term, where Occidental had no plans to pursue exploration activities and, to a lesser extent, impairments of oil and gas materials and supplies inventories.

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During 2020, Occidental’s oil and gas segment recognized pre-tax impairment and related charges of $7.0 billion related to proved and unproved properties. An additional pre-tax impairment of $2.2 billion related to Ghana was included in discontinued operations.

During 2020, Occidental’s midstream and marketing segment recognized pre-tax impairment and related charges of $1.2 billion related to goodwill associated with Occidental’s ownership in WES. Significant declines in the market value of WES’ publicly traded units resulted in management’s determination that, more likely than not, the fair value of the reporting unit was significantly less than its carrying value and the entire balance was fully impaired. The market value of WES’ publicly traded units is considered a Level 1 input.

During 2019, Occidental’s oil and gas segment recognized pre-tax impairment and related charges of $285 million related to domestic undeveloped leases that were set to expire in the near-term, where Occidental had no plans to pursue exploration activities, and $39 million related to Occidental’s mutually agreed early termination of its Qatar Idd El Shargi South Dome (ISSD) contract.

It is reasonably possible that prolonged declines in commodity prices, reduced capital spending in response to lower prices or increases in operating costs could result in additional impairments.

FAIR VALUE MEASUREMENTS

Occidental has categorized its assets and liabilities that are measured at fair value in a three-level fair value hierarchy, based on the inputs to the valuation techniques: Level 1 – using quoted prices in active markets for the assets or liabilities; Level 2 – using observable inputs other than quoted prices for the assets or liabilities; and Level 3 – using unobservable inputs. Transfers between levels, if any, are reported at the end of each reporting period.

FAIR VALUES - RECURRING

Occidental primarily applies the market approach for recurring fair value measurements, maximizes its use of observable inputs and minimizes its use of unobservable inputs. Occidental utilizes the mid-point between bid and ask prices for valuing the majority of its assets and liabilities measured and reported at fair value. In addition to using market data, Occidental makes assumptions in valuing its assets and liabilities, including assumptions about the risks inherent in the inputs to the valuation technique. For assets and liabilities carried at fair value, Occidental measures fair value using the following methods:

■Occidental values exchange-cleared commodity derivatives using closing prices provided by the exchange as of the balance sheet date. These derivatives are classified as Level 1.

■OTC bilateral financial commodity contracts, foreign exchange contracts, interest rate swaps, warrants, options and physical commodity forward purchase and sale contracts are generally classified as Level 2 and are generally valued using quotations provided by brokers or industry-standard models that consider various inputs, including quoted forward prices for commodities, time value, volatility factors, credit risk and current market and contractual prices for the underlying instruments, as well as other relevant economic measures. Substantially all of these inputs are observable in the marketplace throughout the full term of the instrument, and can be derived from observable data or are supported by observable prices at which transactions are executed in the marketplace.

■Occidental values commodity derivatives based on a market approach that considers various assumptions, including quoted forward commodity prices and market yield curves. The assumptions used include inputs that are generally unobservable in the marketplace or are observable but have been adjusted based upon various assumptions and the fair value is designated as Level 3 within the valuation hierarchy.

■Occidental values debt using market-observable information for debt instruments that are traded on secondary markets. For debt instruments that are not traded, the fair value is determined by interpolating the value based on debt with similar terms and credit risk.

NON-FINANCIAL ASSETS

Occidental uses market-observable prices for assets when comparable transactions can be identified that are similar to the asset being valued. When Occidental is required to measure fair value and there is not a market-observable price for the asset or for a similar asset then the cost or income approach is used depending on the quality of information available to support management’s assumptions. The cost approach is based on management’s best estimate of the current asset replacement cost. The income approach is based on management’s best assumptions regarding expectations of future net cash flows. The expected cash flows are discounted using a commensurate risk-adjusted discount rate. Such evaluations involve significant judgment, and the results are based on expected future events or conditions such as sales prices, estimates of future oil and gas production or throughput, development and operating costs and the timing thereof, economic and regulatory climates and other factors, most of which are often outside of management’s control. However, assumptions used reflect a market participant’s view of long-term prices, costs and other factors and are consistent with assumptions used in Occidental’s business plans and investment decisions.

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ACCRUED LIABILITIES - CURRENT

Accrued liabilities - current included accrued payroll, commissions and related expenses of $677 million and $461 million as of December 31, 2021, and 2020, respectively. Dividends payable, also included in accrued liabilities - current, were $188 million and $189 million as of December 31, 2021, and 2020, respectively. Derivative financial instruments, also included in accrued liabilities - current, were $0.2 billion and $1.1 billion as of December 31, 2021, and 2020, respectively.

ENVIRONMENTAL LIABILITIES AND EXPENDITURES

Environmental expenditures that relate to current operations are expensed or capitalized as appropriate. Occidental records environmental liabilities and related charges and expenses for estimated remediation costs that relate to existing conditions from past operations when environmental remediation efforts are probable and the costs can be reasonably estimated. In determining the environmental remediation liability and the range of reasonably possible additional losses, Occidental refers to currently available information, including relevant past experience, remedial objectives, available technologies, applicable laws and regulations and cost-sharing arrangements. Occidental bases its environmental remediation liabilities on management’s estimate of the most likely cost to be incurred, using the most cost-effective technology reasonably expected to achieve the remedial objective. Occidental periodically reviews its environmental remediation liabilities and adjusts them as new information becomes available. Occidental generally records reimbursements or recoveries of environmental remediation costs in income when received, or when receipt of recovery is highly probable.

Many factors could affect Occidental’s future remediation costs and result in adjustments to its environmental remediation liabilities and the range of reasonably possible additional losses. The most significant are: (1) cost estimates for remedial activities may vary from the initial estimate; (2) the length of time, type or amount of remediation necessary to achieve the remedial objective may change due to factors such as site conditions, the ability to identify and control contaminant sources or the discovery of additional contamination; (3) a regulatory agency may ultimately reject or modify Occidental’s proposed remedial plan; (4) improved or alternative remediation technologies may change remediation costs; (5) laws and regulations may change remediation requirements or affect cost sharing or allocation of liability; and (6) changes in allocation or cost-sharing arrangements may occur.

Certain sites involve multiple parties with various cost-sharing arrangements, which fall into the following three categories: (1) environmental proceedings that result in a negotiated or prescribed allocation of remediation costs among Occidental and other alleged potentially responsible parties; (2) oil and gas ventures in which each participant pays its proportionate share of remediation costs reflecting its working interest; or (3) contractual arrangements, typically relating to purchases and sales of properties, in which the parties to the transaction agree to methods of allocating remediation costs. In these circumstances, Occidental evaluates the financial viability of other parties with whom it is alleged to be jointly liable, the degree of their commitment to participate and the consequences to Occidental of their failure to participate when estimating Occidental’s ultimate share of liability. Occidental records its environmental remediation liabilities at its expected net cost of remedial activities and, based on these factors, believes that it will not be required to assume a share of liability of such other potentially responsible parties in an amount materially above amounts reserved.

In addition to the costs of investigations and cleanup measures, which often take in excess of 10 years at CERCLA NPL sites, Occidental’s environmental remediation liabilities include management’s estimates of the costs to operate and maintain remedial systems. If remedial systems are modified over time in response to significant changes in site-specific data, laws, regulations, technologies or engineering estimates, Occidental reviews and adjusts its environmental remediation liabilities accordingly.

ASSET RETIREMENT OBLIGATIONS

Occidental recognizes the fair value of AROs in the period in which a determination is made that a legal obligation exists to dismantle an asset and reclaim or remediate the property at the end of its useful life and the cost of the obligation can be reasonably estimated. The liability amounts are based on future retirement cost estimates and incorporate many assumptions such as time to abandonment, future inflation rates and the risk-adjusted discount rate. When the liability is initially recorded, Occidental capitalizes the cost by increasing the related PP&E balances. If the estimated future cost of the AROs changes, Occidental records an adjustment to both the AROs and PP&E. Over time, the liability is increased, expense is recognized for accretion and the capitalized cost is depreciated over the useful life of the asset.

The majority of Occidental’s AROs relate to the plugging of wells and the related abandonment of oil and gas properties.

At a certain number of its facilities, Occidental has identified conditional AROs that are related mainly to plant decommissioning. Occidental does not know or cannot estimate when it may settle these obligations. Therefore, Occidental cannot reasonably estimate the fair value of these liabilities. Occidental will recognize these conditional AROs in the periods in which sufficient information becomes available to reasonably estimate their fair values.

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The following table summarizes the activity of AROs for the years ended December 31:

millions20212020
Beginning balance$4,130$4,659
Liabilities incurred – capitalized to PP&E2779
Liabilities settled and paid(174)(186)
Accretion expense205147
Acquisitions, divestitures and other, net(53)(294)
Revisions to previous estimates(109)(275)
Ending balance (a)$4,026$4,130

(a)The ending balance included $339 million and $153 million related to the current balance of AROs that are included in accrued liabilities on the Consolidated Balance Sheets as of December 31, 2021, and 2020, respectively.

DERIVATIVE INSTRUMENTS

Derivatives are carried at fair value and on a net basis when a legal right of offset exists with the same counterparty. Occidental applies hedge accounting when transactions meet specified criteria for cash flow hedge treatment and management elects and documents such treatment. Otherwise, any fair value gains or losses are recognized in earnings in the current period. For cash flow hedges, the gain or loss on the effective portion of the derivative is reported as a component of other comprehensive income (OCI) with an offsetting adjustment to the carrying value of the item being hedged. Realized gains or losses from cash flow hedges, and any ineffective portion, are recorded as a component of net sales in the consolidated statements of operations. Ineffectiveness is primarily created by a lack of correlation between the hedged item and the hedging instrument due to location, quality, grade or changes in the expected quantity of the hedged item. Gains and losses from derivative instruments are reported net in the consolidated statements of operations. There were no fair value hedges as of and during the years ended December 31, 2021, 2020 and 2019.

STOCK-BASED INCENTIVE PLANS

Occidental has established a stockholder-approved 2015 Long-Term Incentive Plan, as amended and restated, for certain employees and directors (the Plan) that is more fully described in Note 15 - Stock-Based Incentive Plans. A summary of Occidental’s accounting policy for awards issued under the Plan is as follows.

For cash- and stock-settled restricted stock units (RSU) and cash return on capital employed incentive (CROCEI) awards, compensation value is initially measured on the grant date using the quoted market price of Occidental’s common stock and the estimated payout on the grant date. The fair value of stock options is estimated using a Black Scholes model. For total shareholder return incentive (TSRI) awards, compensation value is initially measured on the grant date using the fair value derived from a Monte Carlo valuation model. Compensation expense for all awards is recognized on a straight-line basis over the requisite service periods, which is generally over the awards’ respective vesting or performance periods. The stock-settled awards are expensed using the initially measured compensation value. The liability resulting from cash settled awards and accrued dividends are remeasured at each reporting period. Dividends accrued on unvested awards are adjusted quarterly for any changes in the number of share equivalents expected to be paid based on the relevant performance and market criteria, if applicable.

There are no outstanding awards under Occidental’s 2005 Long-Term Incentive Plan following the expiration of the non-qualified stock options granted in 2015 on February 11, 2022.

EARNINGS PER SHARE

Occidental’s instruments containing rights to nonforfeitable dividends granted in stock-based awards are considered participating securities prior to vesting and, therefore, have been deducted from earnings in computing basic and diluted earnings per share (EPS) under the two-class method.

Basic EPS was computed by dividing net income attributable to common stock, net of income allocated to participating securities, by the weighted-average number of common shares outstanding during each period, including vested but unissued shares and share units. The computation of diluted EPS reflects the additional dilutive effect of stock options, warrants and unvested stock awards.

RETIREMENT AND POSTRETIREMENT BENEFIT PLANS

Occidental recognizes the overfunded or underfunded amounts of its defined benefit pension and postretirement plans, which are more fully described in Note 11 - Retirement and Postretirement Benefit Plans, in its financial statements using a December 31 measurement date.

Occidental’s defined benefit pension and postretirement benefit plan obligations are actuarially determined based on various assumptions and discount rates. The discount rate assumptions used are meant to reflect the interest rate at which the obligations could effectively be settled on the measurement date. Occidental estimates the rate of return on assets with

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regard to current market factors but within the context of historical returns. Occidental funds and expenses negotiated pension increases for domestic union employees over the terms of the applicable collective bargaining agreements.

Pension and any postretirement plan assets are measured at fair value. Common stock, preferred stock, publicly registered mutual funds, U.S. government securities and corporate bonds are valued using quoted market prices in active markets when available. When quoted market prices are not available, these investments are valued using pricing models with observable inputs from both active and non-active markets. Common and collective trusts are valued at the fund units’ net asset value (NAV) provided by the issuer, which represents the quoted price in a non-active market. Short-term investment funds are valued at the fund units’ NAV provided by the issuer.

SUPPLEMENTAL CASH FLOW INFORMATION

The following table represents U.S. federal, domestic state and international income taxes paid, tax refunds received and interest paid related to continuing operations during the year ended December 31, 2021, 2020 and 2019, respectively.

millions202120202019
Income tax payments$763$498$1,944
Income tax refunds received$70$223$80
Production, property and other tax payments$790$629$724
Interest paid (a)$1,685$1,521$912

(a) Net of capitalized interest of $61 million, $84 million and $89 million, for the years 2021, 2020 and 2019, respectively.

CASH EQUIVALENTS AND RESTRICTED CASH EQUIVALENTS

Occidental considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents or restricted cash equivalents. The cash equivalents and restricted cash equivalents balance as of December 31, 2021, included investments in government money market funds in which the carrying value approximates fair value.

The following table provides a reconciliation of cash, cash equivalents, restricted cash and restricted cash equivalents as reported at the end of the period in the Consolidated Statements of Cash Flows for the year ended December 31, 2021, and 2020 to the line items within the Consolidated Balance Sheet as of December 31:

millions20212020
Cash and cash equivalents$2,764$2,008
Restricted cash and restricted cash equivalents24170
Restricted cash and restricted cash equivalents included in long-term receivables and other assets, net1516
Cash, cash equivalents, restricted cash and restricted cash equivalents$2,803$2,194

FOREIGN CURRENCY TRANSACTIONS

The functional currency applicable to all of Occidental’s international oil and gas operations is the U.S. dollar since cash flows are denominated principally in U.S. dollars. In Occidental’s other operations, Occidental’s use of non-United States dollar functional currencies was not material for all years presented. The effect of exchange rates on transactions in foreign currencies is included in periodic income. Occidental reports the exchange rate differences arising from translating foreign-currency-denominated balance sheet accounts to the United States dollar as of the reporting date in OCI. Exchange-rate gains and losses for continuing operations were not material for all years presented.

INCOME TAXES

Occidental files various U.S. federal, state and foreign income tax returns. The impact of changes in tax regulations are reflected when enacted. In general, deferred federal, state and foreign income taxes are provided on temporary differences between the financial statement carrying amounts of assets and liabilities and their respective tax basis. Occidental routinely assesses the realizability of its deferred tax assets. If Occidental concludes that it is more likely than not that some of the deferred tax assets will not be realized, the tax asset is reduced by a valuation allowance. Occidental recognizes a tax benefit from an uncertain tax position when it is more likely than not that the position will be sustained upon examination, based on the technical merits of the position. The tax benefit recorded is equal to the largest amount that is greater than 50% likely to be realized through final settlement with a taxing authority. Interest and penalties related to unrecognized tax benefits are recognized in income tax expense (benefit). See Note 10 - Income Taxes for more information.

LOSS CONTINGENCIES

Occidental or certain of its subsidiaries are involved, in the normal course of business, in lawsuits, claims and other legal proceedings that seek, among other things, compensation for alleged personal injury, breach of contract, property

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damage or other losses, punitive damages, civil penalties, or injunctive or declaratory relief. Occidental or certain of its subsidiaries also are involved in proceedings under CERCLA and similar federal, state, local and international environmental laws. These environmental proceedings seek funding or performance of remediation and, in some cases, compensation for alleged property damage, punitive damages, civil penalties and injunctive relief. Usually Occidental or such subsidiaries are among many companies in these environmental proceedings and have to date been successful in sharing response costs with other financially sound companies. Further, some lawsuits, claims and legal proceedings involve acquired or disposed assets with respect to which a third party or Occidental retains liability or indemnifies the other party for conditions that existed prior to the transaction.

In accordance with applicable accounting guidance, Occidental accrues reserves for outstanding lawsuits, claims and proceedings when it is probable that a liability has been incurred and the liability can be reasonably estimated. In Note 12 - Environmental Liabilities and Expenditures, Occidental has disclosed its reserve balances for environmental remediation matters that satisfy this criteria. See Note 13 - Lawsuits, Claims, Commitments and Contingencies.

SIGNIFICANT ACCOUNTING AND DISCLOSURE CHANGES

There were no significant accounting or disclosure changes for the periods in the three years ended December 31, 2021.

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NOTE 2 - REVENUE

Revenue from customers is recognized when obligations under the terms of a contract are satisfied; this generally occurs with the delivery of oil, NGL, gas, chemicals or services such as transportation. Revenue from customers is measured as the amount of consideration Occidental expects to receive in exchange for the delivery of goods or services. Contracts may last from one month to one year or more and may have renewal terms that extend indefinitely at the option of either party. Price is typically based on market indexes. Volumes fluctuate due to production and, in certain cases, customer demand and transportation availability. Occidental records revenue net of certain taxes, such as sales taxes, that are assessed by governmental authorities on Occidental’s customers.

Occidental does not incur significant costs to obtain contracts. Incidental items that are immaterial in the context of the contract are recognized as expenses. Sales of hydrocarbons and chemicals to customers are invoiced and settled on a monthly basis. Occidental is not usually subject to obligations for warranties, rebates, returns or refunds except in the case of customer incentive payments as discussed for the chemical segment below. Occidental does not typically receive payment in advance of satisfying its obligations under the terms of its sales contracts with customers; therefore, liabilities related to such payment are immaterial to Occidental. Occidental does not disclose consideration for remaining performance obligations with an original expected duration of one year or less or for variable consideration related to unsatisfied performance obligations.

OIL AND GAS SEGMENT

Revenue from oil and gas production is recognized when production is delivered and control passes to the customer. Revenues from the production of oil and gas properties in which Occidental has an interest with other producers are recognized on the basis of Occidental’s net revenue interest.

CHEMICAL SEGMENT

Revenue from chemical product sales is recognized when control passes to the customer. Certain incentive programs may provide for payments or credits to be made to customers based on the volume of product purchased over a defined period. Customer incentives are estimated and recorded as a reduction to revenue ratably over the contract period. Such estimates are evaluated and revised as warranted. Revenue from exchange contracts is excluded from revenue from customers.

MIDSTREAM AND MARKETING SEGMENT

Revenue from pipeline and gas processing is recognized upon the completion of the transportation or processing service. Revenue from power sales is recognized upon delivery. Net marketing revenue is recognized upon completion of contract terms that are a prerequisite to payment and upon title transfer for physical deliveries. Unless the normal purchases and sales exception has been elected, net marketing revenue is classified as a derivative, reported on a net basis, recorded at fair value. Changes in fair value are reflected in net sales and excluded from revenue from customers in the table below.

DISAGGREGATION OF REVENUE FROM CONTRACTS WITH CUSTOMERS

The following table reconciles revenue from customers to total net sales for the years ended December 31:

millions202120202019
Revenue from customers$25,959$17,130$19,192
All other revenues (a)(3)6791,719
Net sales$25,956$17,809$20,911

(a)Included net marketing derivatives, oil collars and calls and chemical exchange contracts.

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The table below presents Occidental's revenue from customers by segment, product and geographical area. The oil and gas segment typically sells its oil, NGL and gas at the lease or concession area. Chemical segment revenues are shown by geographic area based on the location of the sale. Excluding net marketing revenue, midstream and marketing segment revenues are shown by the location of sale.

millionsUnited StatesInternationalEliminationsTotal
Year ended December 31, 2021
Oil and gas
Oil$12,072$2,844$—$14,916
NGL2,203325—2,528
Gas1,524291—1,815
Other242—26
Segment total$15,823$3,462$—$19,285
Chemical$4,995$248$—$5,243
Midstream and marketing$1,969$556$—$2,525
Eliminations$—$—$(1,094)$(1,094)
Consolidated$22,787$4,266$(1,094)$25,959
Year ended December 31, 2020
Oil and gas
Oil$7,485$2,403$—$9,888
NGL838217—1,055
Gas660326—986
Other651—66
Segment total$9,048$2,947$—$11,995
Chemical$3,524$202$—$3,726
Midstream and marketing$1,595$572$—$2,167
Eliminations$—$—$(758)$(758)
Consolidated$14,167$3,721$(758)$17,130
Year ended December 31, 2019
Oil and gas
Oil$8,411$3,939$—$12,350
NGL658283—941
Gas424339—763
Other(1)(5)—(6)
Segment total$9,492$4,556$—$14,048
Chemical$3,858$222$—$4,080
Midstream and marketing (a)$1,977$351$—$2,328
Eliminations$—$—$(1,264)$(1,264)
Consolidated$15,327$5,129$(1,264)$19,192

(a)The midstream and marketing segment included revenues from customers from WES from the date of the Acquisition to December 31, 2019. See Note 1 - Summary of Significant Accounting Policies for more information.

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NOTE 3 - INVENTORIES

Finished goods primarily represents oil, which is carried at the lower of weighted-average cost or net realizable value, and caustic soda and chlorine, which are valued under the LIFO method. Inventories consisted of the following as of December 31:

millions20212020
Raw materials$96$70
Materials and supplies783848
Commodity inventory and finished goods1,0661,009
1,9451,927
Revaluation to LIFO(99)(29)
Total$1,846$1,898
NOTE 4 - INVESTMENTS AND RELATED-PARTY TRANSACTIONS

EQUITY INVESTMENTS

Occidental’s significant equity investments are presented in investments in unconsolidated entities and in other - deferred credits and other liabilities. As of December 31, 2021, and 2020, investments in unconsolidated entities were $2.9 billion and $3.3 billion, respectively. Occidental’s equity investments presented in investments in unconsolidated entities primarily consist of the following:

millions% InterestCarrying amount
WES (a)51.8%$1,963
OxyChem Ingleside Facility50.0%599
OLCV - relatedvarious164
Othervarious212
Total Investments in unconsolidated entities (b)$2,938

(a) In December 2021, Occidental sold 2.5 million limited partner units of WES for proceeds of approximately $50 million. In March 2021, Occidental sold 11.5 million limited partner units for proceeds of approximately $200 million, resulting in a gain of $102 million. In the first quarter of 2020, Occidental recorded an impairment of $1.2 billion in goodwill related to its ownership in WES and in the third quarter of 2020, recorded an other than temporary impairment of $2.7 billion related to the WES equity method investment. See Note 9 - Fair Value Measurements for more information on the impairments.

(b) Not presented in investments in unconsolidated entities is Occidental’s 24.5% ownership in DEL, which has a carrying value of $217 million. Refer to the discussion below regarding the presentation of Occidental’s equity investment in DEL.

As of December 31, 2021 and 2020, Occidental’s significant equity investments consisted of investments in WES, OxyChem Ingleside Facility and DEL.

In November 2021, Occidental received approximately $560 million in cash distributions as a result of a refinancing transaction at DEL. The cash distributions received from the refinancing transaction were comprised of $110 million in dividends and $450 million in excess distributions. As Occidental may be requested to provide financial support to DEL, the excess distributions were recorded against the $217 million carrying amount of the equity investment. The net of the carrying value of the investment in DEL and the excess distributions was $233 million and is presented in deferred credits and other liabilities - other. Occidental recorded the $110 million in dividends as a return on investment in cash flow from operations and the $450 million excess distribution as a return of investment in cash flow from investing.

As part of the Acquisition, Occidental acquired equity investments in certain oil and gas properties and gathering and processing assets and assumed an associated notes payable which Occidental has the legal right of setoff and intends to net settle with its ownership interest in the equity investments. The notes payable can be net settled starting in 2022. The carrying value of the investment and note payable were $2.9 billion as of December 31, 2021, respectively. Accordingly, the equity investments and the related notes payable are presented net on the Consolidated Balance Sheets.

Dividends received from equity investments were $652 million, $678 million and $422 million to Occidental in 2021, 2020 and 2019, respectively. As of December 31, 2021 and 2020, cumulative undistributed earnings of equity-method investees since they were acquired was $242 million and $166 million, respectively. As of December 31, 2021, Occidental’s

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investments in equity investees exceeded the underlying equity in net assets by approximately $667 million, of which, $347 million represented PP&E and equity investments with the remainder comprised of intangibles, both are subject to amortization over their estimated average lives.

The following table presents the summarized financial information of its equity-method investments combined for the years ended and as of December 31:

millions202120202019
Summarized Results of Operations (a)
Revenues and other income$6,252$5,455$26,520
Costs and expenses4,5695,45524,084
Net income$1,683$—$2,436
Summarized Balance Sheet
Current assets$3,387$1,419$1,130
Non-current assets$19,341$18,693$21,158
Current liabilities$1,976$1,549$785
Long-term debt$9,464$7,860$8,673
Other non-current liabilities$1,187$866$859
Stockholders’ equity$10,101$9,837$11,971

(a)The 2019 Summarized Results of Operations included results of Plains for the period beginning January 1, 2019 through the date Occidental’s interest was sold in September 2019. Plains accounted for $24.7 billion of equity-method investment revenues and other income in 2019.

RELATED-PARTY TRANSACTIONS

Occidental sells oil, NGL, natural gas, chemicals, power and steam to and purchases oil, NGL and chemicals from its equity method investees and other related parties. Occidental is charged service fees primarily related to gathering, processing, oil, NGL and natural gas treatment by certain of its equity investees and other related parties. During 2021, 2020 and 2019, Occidental entered into the following related-party transactions and had the following amounts due from or to its related parties for the years ended December 31:

millions202120202019
Sales (a,c)$261$301$691
Purchases (b,c)$773$1,112$463
Services (d)$942$1,101$28
Advances and amounts due from related parties (c)$57$62$133
Amounts due to related parties (c)$280$296$463

(a)In 2021 and 2020, sales of Occidental-produced oil and NGL to WES accounted for 58% and 70% of these totals, respectively. In 2019, sales of Occidental-produced oil and NGL to Plains Pipeline affiliates accounted for 87% of these totals. In September 2019, Occidental sold its equity investment in Plains. See Note 5 - Acquisitions, Divestitures and Other Transactions for additional information.

(b)In 2021 and 2020, purchases of gas and NGL marketed on behalf of WES accounted for 27% and 59% of related party purchases, respectively, while purchases of ethylene from the OxyChem Ingleside Facility accounted for 70% and 41% in 2021 and 2020 respectively, and, in 2019, for 98% of related party purchases.

(c)Excluded sales to and purchases from WES and amounts due to and from WES in 2019 as it was a consolidated subsidiary from the date of the Acquisition through December 31, 2019.

(d)In 2021 and 2020, services primarily related to fees charged by WES to gather, process and treat Occidental produced oil, NGL and natural gas. Excluded charges to WES for shared corporate services.

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NOTE 5 - ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS

ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS

2021

In November 2021, Occidental entered into an agreement to sell certain non-strategic assets in the Permian Basin. The transaction closed in January 2022 for net cash proceeds of approximately $190 million. The assets and liabilities, of which $72 million is related to PP&E, net and $7 million is related to AROs, were presented as held for sale as of December 31, 2021.

In November 2021, Occidental acquired additional working interests in certain assets in the Permian EOR business unit for a net purchase price of approximately $285 million.

In October 2021, Occidental closed the sale of its Ghana assets. See below discussion on Discontinued Operations for additional information. This divestiture completed Occidental's large-scale asset divestiture program.

In June 2021, Occidental entered into an agreement to sell certain non-strategic assets in the Permian Basin. The transaction closed in July 2021 for net cash proceeds of approximately $475 million. The difference in the assets' net book value and adjusted purchase price was treated as a recovery of cost and normal retirement, which resulted in no gain or loss being recognized.

In March 2021, Occidental completed the sale of certain non-operated assets in the DJ Basin for net cash proceeds of approximately $280 million. The difference in the assets' net book value and adjusted purchase price was treated as a recovery of cost and normal retirement, which resulted in no gain or loss being recognized.

In 2021, Occidental sold 14 million limited partner units of WES for proceeds of approximately $250 million, see Note 4 - Investments and Related-Party Transactions.

2020

In November 2020 and December 2020, Occidental divested of certain non-core, largely non-operated proved and unproved acreage in the Permian for a loss of approximately $820 million. The losses have been presented within gains (losses) on sale of assets, net in the Consolidated Statement of Operations.

In October 2020, Occidental entered into an agreement to sell its onshore oil and gas Colombia assets. The transaction closed in December 2020, and Occidental recorded a loss on sale of approximately $353 million. The loss has been presented within gains (losses) on sale of assets, net in the Consolidated Statement of Operations.

In August 2020, Occidental entered into an agreement to sell approximately 4.5 million mineral acres and 1 million fee surface acres located in Wyoming, Colorado and Utah for approximately $1.33 billion. The transaction closed in October 2020 for net cash proceeds of approximately $1.0 billion, after satisfying $329 million of liabilities associated with the sale of future royalties. Occidental recorded a loss on sale of $440 million. The loss has been presented within gains (losses) on sale of assets, net in the Consolidated Statement of Operations.

2019

In December 2019, Occidental disposed of real estate assets for $565 million. Occidental utilized net proceeds to pay down a portion of the Term Loans. Concurrent with the sale, Occidental entered a 13-year lease for part of the real estate assets. Based on the terms of the lease, Occidental treated this as a failed sale-leaseback, retained the related book value in PP&E and recognized a finance lease of approximately $300 million based on the discounted future minimum lease payments.

In November 2019, Occidental and Ecopetrol closed on the joint venture to develop approximately 97,000 net acres of Occidental’s Midland Basin unproved properties in the Permian Basin. Ecopetrol paid $750 million in cash at closing and up to $750 million of carried capital in exchange for a 49% interest in the new venture. Occidental recognized a gain of $563 million on the sale. Following the close, Occidental owned a 51% interest and operates the joint venture. During the carry period, Ecopetrol will pay 75% of Occidental’s share of capital expenditures, up to $750 million. The joint venture allows Occidental to accelerate its development plans in the Midland Basin, where it currently has minimal activity. Occidental will retain production and cash flow from its existing operations in the Midland Basin.

In September 2019, Occidental sold its remaining equity investment in Plains for net proceeds of $646 million, which resulted in a pre-tax gain of $114 million. The proceeds were used to pay down a portion of the Term Loans.

In August 2019, the Acquisition was consummated. The Acquisition added to Occidental’s oil and gas portfolio, primarily in the Permian Basin, DJ Basin and Gulf of Mexico and Algeria and a general and limited partner interest in WES. Total consideration of the Acquisition was approximately $35.7 billion in cash and common stock. See Note 14 - Stockholders’ Equity for additional information.

From the date of the Acquisition through December 31, 2019, revenues and the net loss attributable to common stockholders associated with the operations acquired through the Acquisition totaled $4.2 billion and $1.7 billion, respectively, which included a charge as a result of recording Occidental’s investment in WES at fair value as of December 31, 2019 upon the loss of control.

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The following table summarizes the Acquisition-related costs incurred for the years ended December 31:

millions202120202019
Employee severance and related employee cost$117$314$1,033
IT costs36915
Licensing fees for critical seismic data——401
Bank, legal, consulting and other—16198
Total$153$339$1,647

Employee severance and related employee cost primarily related to one-time severance costs and the accelerated vesting of certain Anadarko share-based awards for former Anadarko employees based on the terms of the Acquisition Agreement and existing change of control provisions within the former Anadarko employment agreements. In addition, this category included expenses for a voluntary separation program for eligible employees and retention awards for certain employees.

The IT costs primarily related to Occidental’s efforts to integrate the Anadarko finance, supply chain, asset integrity, and well life cycle systems.

The seismic licensing fees related to relicensing of critical seismic data related to the Gulf of Mexico, Permian Basin and DJ Basin that Anadarko had licensed from third-party vendors. The third-party vendors who own the seismic data required a transfer fee in order for Occidental to use the data.

The following table summarizes the unaudited pro forma condensed financial information of Occidental for the year ended December 31, 2019 as if the Acquisition had occurred on January 1, 2018:

millions except per-share amounts
Revenues$28,723
Net loss attributable to common stockholders (a)$(769)
Net loss attributable to common stockholders per share—basic$(0.95)
Net loss attributable to common stockholders per share—diluted$(0.95)

(a)Excluding the pro-forma results of WES, net loss attributable to common stockholders would be $(1.1) billion for the year ended December 31, 2019.

The unaudited pro forma information is presented for illustration purposes only and is not necessarily indicative of the operating results that would have occurred had the Acquisition been completed on January 1, 2018, nor is it necessarily indicative of future operating results of the combined entity. The unaudited pro forma information for 2019 is a result of combining the statements of operations of Occidental with the pre-Acquisition results from January 1, 2019 of Anadarko and included adjustments for revenues and direct expenses. The pro forma results exclude results from any assets classified as held for sale, any cost savings anticipated as a result of the Acquisition and the impact of any Acquisition-related costs. The pro forma results include adjustments to DD&A based on the purchase price allocated to PP&E and the estimated useful lives as well as adjustments to interest expense. The pro forma adjustments include estimates and assumptions based on currently available information. Management believes the estimates and assumptions are reasonable and the relative effects of the Acquisition are properly reflected.

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DISCONTINUED OPERATIONS

In 2021, Occidental recorded a $437 million after-tax loss contingency in discontinued operations associated with its former operations in Ecuador, see Note 13 - Lawsuits, Claims, Commitments and Contingencies.

In October 2021, Occidental closed the sale of its Ghana assets for $750 million and net proceeds of $555 million, after closing adjustments to reflect an April 1, 2021 effective date. In addition, Occidental settled certain tax claims related to historical operations in Ghana for $170 million. Prior to the sale, 2021 operations in Ghana resulted in an after-tax loss of $31 million.

The following table presents the amounts reported in discontinued operations, net of income taxes, related to the Ghana assets for the years ended December 31, 2021 and 2020 and for the Ghana, Mozambique and South Africa assets subsequent to the Acquisition closing date through December 31, 2019:

millions202120202019
Revenues and other income
Net sales$458$419$221
Costs and other deductions
Oil and gas lease operating expense7111745
Fair value adjustment on assets held for sale (a)4092,26385
Other244845
Total costs and other deductions$504$2,428$175
Income (loss) before income taxes$(46)$(2,009)$46
Income tax benefit (expense)15711(61)
Discontinued operations, net of tax$(31)$(1,298)$(15)

(a) For 2021, included effective date to close date adjustments as well as settlements of certain tax claims.

The following table presents amounts related to the Ghana assets reported as held for sale in the Consolidated Balance Sheet as of December 31, 2020:

millions2020
Current assets$37
Property, plant and equipment, net1,364
Long-term receivables and other assets, net32
Assets held for sale$1,433
Current liabilities$84
Long-term debt, net - finance leases175
Deferred income taxes328
Asset retirement obligations166
Liabilities of assets held for sale$753
Net assets held for sale$680
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NOTE 6 - LONG-TERM DEBT

As of December 31, 2021 and 2020, Occidental’s debt consisted of the following:

millions20212020
4.850% senior notes due 2021$—$147
2.600% senior notes due 2021—224
Variable rate bonds due 2021 (1.193% as of December 31, 2020)—27
2.700% senior notes due 2022—629
3.125% senior notes due 2022—276
2.600% senior notes due 2022101101
Variable rate bonds due 2022 (1.730% as of December 31, 2020)—1,052
2.700% senior notes due 2023442927
8.750% medium-term notes due 20232222
2.900% senior notes due 20249493,000
6.950% senior notes due 2024650650
3.450% senior notes due 2024127248
8.000% senior notes due 2025500500
5.875% senior notes due 2025900900
3.500% senior notes due 2025326750
5.500% senior notes due 2025750750
5.550% senior notes due 20261,1001,100
3.200% senior notes due 20267971,000
3.400% senior notes due 20267791,150
7.500% debentures due 2026112112
8.500% senior notes due 2027500500
3.000% senior notes due 2027634750
7.125% debentures due 2027150150
7.000% debentures due 20274848
6.625% debentures due 20281414
7.150% debentures due 2028235235
7.200% senior debentures due 20288282
6.375% senior notes due 2028600600
7.200% debentures due 2029135135
7.950% debentures due 2029116116
8.450% senior debentures due 2029116116
3.500% senior notes due 20291,4771,500
Variable rate bonds due 2030 (0.900% and 2.700% as of December 31, 2021 and 2020, respectively)6868
8.875% senior notes due 20301,0001,000
6.625% senior notes due 20301,5001,500
6.125% senior notes due 20311,2501,250
7.500% senior notes due 2031900900
7.875% senior notes due 2031500500
6.450% senior notes due 20361,7501,750
Zero Coupon senior notes due 20362,2692,269
4.300% senior notes due 2039693750
7.950% senior notes due 2039325325
6.200% senior notes due 2040750750
4.500% senior notes due 2044608625
(continued on next page)
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millions (continued)20212020
4.625% senior notes due 2045634750
6.600% senior notes due 2046 (a)1,1571,100
4.400% senior notes due 20469761,200
4.100% senior notes due 2047663750
4.200% senior notes due 20489611,000
4.400% senior notes due 2049704750
7.730% debentures due 20965860
7.500% debentures due 20966078
7.250% debentures due 2096549
Total borrowings at face value$28,493$35,235
Adjustments to book value:
Unamortized premium, net670748
Debt issuance costs(135)(156)
Net book value of debt$29,028$35,827
Long-term finance leases504316
Current finance leases8542
Total debt and finance leases$29,617$36,185
Less current maturities of financing leases(85)(42)
Less current maturities of long-term debt(101)(398)
Long-term debt, net$29,431$35,745

(a) Occidental entered into an exchange agreement, dated as of October 20, 2021, among Occidental and certain holders of its subsidiary Anadarko’s 7.250% debentures due 2096, its subsidiary Anadarko Holding Company’s 7.500% debentures due 2096 and its subsidiary Anadarko’s 7.730% debentures due 2096 (such notes, the 2096 Notes), pursuant to which Occidental issued approximately $57.2 million of 6.600% senior notes due 2046 as additional securities under the Indenture, dated as of August 8, 2019, between Occidental and The Bank of New York Mellon Trust Company, N.A., as trustee (the 2019 Indenture), in exchange for the cancellation of approximately $64.8 million of the 2096 notes. The additional securities have identical terms and conditions as Occidental’s previously issued 6.600% senior notes due 2046 (the Initial Securities), other than the issue date and the date from which interest will accrue, are restricted securities with a related legend and initially have a different CUSIP number and ISIN number from the Initial Securities and for all purposes are treated as a single class with the outstanding Initial Securities under the 2019 Indenture.

DEBT MATURITIES

As of December 31, 2021, future principal payments on debt were approximately $28.5 billion, of which, $101 million is due in 2022, $465 million is due in 2023, $1.7 billion is due in 2024, $2.5 billion is due in 2025, and $23.7 billion is due in 2026 and thereafter.

In January 2022, Occidental used cash on hand to repay $101 million in outstanding 2.600% senior notes due April 2022 at face value. Subsequent to the purchase and retirement of this note, Occidental’s face value of debt was $28.4 billion with no maturities in 2022.

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DEBT ACTIVITY - 2021

The following table summarizes Occidental’s debt activity for the year ended December 31, 2021:

millionsBorrowings at face value
Total borrowings at face value as of December 31, 2020$35,235
First quarter:
4.850% senior notes due 2021$(147)
Variable rate bonds due 2021(27)
Third quarter:
2.700% senior notes due 2022$(278)
2.700% senior notes due 2023(484)
3.450% senior notes due 2024(81)
2.900% senior notes due 2024(1,620)
3.500% senior notes due 2025(229)
3.400% senior notes due 2026(224)
3.200% senior notes due 2026(110)
2.600% senior notes due 2021(224)
Floating interest rate notes due August 2022(1,051)
Fourth quarter:
4.400% senior notes due 2046$(224)
4.400% senior notes due 2049(46)
7.730% debentures due 2096(3)
7.500% debentures due 2096(18)
7.250% debentures due 2096(44)
6.600% senior notes due 204657
3.450% senior notes due 2024(40)
2.900% senior notes due 2024(431)
3.500% senior notes due 2025(195)
3.400% senior notes due 2026(148)
3.200% senior notes due 2026(93)
3.000% senior notes due 2027(116)
3.500% senior notes due 2029(23)
4.100% senior notes due 2047(87)
4.200% senior notes due 2048(39)
4.300% senior notes due 2039(57)
4.500% senior notes due 2044(17)
4.625% senior notes due 2045(116)
3.125% senior notes due 2022(276)
2.700% senior notes due 2022(351)
Total borrowings at face value as of December 31, 2021$28,493
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DEBT ACTIVITY - 2020

The following table summarizes Occidental’s debt issuances, repurchases, repayments and exchanges for the year ended December 31, 2020:

millionsBorrowings at face value
Total borrowings at face value as of December 31, 2019$37,401
Issuance of July 2020 notes:
8.000% senior notes due 2025500
8.500% senior notes due 2027500
8.875% senior notes due 20301,000
July tender and purchase:
4.100% senior notes due February 2021(943)
Variable rate bonds due February 2021(473)
4.850% senior notes due March 2021(530)
2.600% senior notes due August 2021(51)
Issuance of August 2020 notes:
5.875% senior notes due 2025900
6.375% senior notes due 2028600
6.625% senior notes due 20301,500
August and September tender and purchase:
4.100% senior notes due February 2021(139)
Variable rate bonds due August 2021(123)
2.600% senior notes due August 2021(1,099)
Variable rate bonds due August 2022(448)
2.600% senior notes due April 2022(171)
2.700% senior notes due August 2022(102)
2.700% senior notes due February 2023(52)
August WES exchange:
6.500% note payable to WES due 2038(260)
September Term Loan repayment:
2-year variable rate term loan due 2021(500)
October Term Loan and note repayment:
2-year variable rate bonds due August 2021(377)
0.00% senior notes due October 2036(2)
2-year variable rate term loan due September 2021(1,010)
November Term Loan repayment:
2-year variable rate term loan due September 2021(232)
Issuance of December 2020 notes:
5.500% senior notes due 2025750
6.125% senior notes due 20311,250
December tender and purchase:
2.600% senior notes due August 2021(126)
3.125% senior notes due February 2022(538)
2.600% senior notes due April 2022(128)
2.700% senior notes due August 2022(1,269)
2.700% senior notes due February 2023(212)
December Term Loan and note repayment:
2-year variable rate term loan due September 2021(214)
4.100% senior notes due February 2021(167)
Total borrowings at face value as of December 31, 2020$35,235
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In the fourth quarter of 2021, Occidental used cash on hand to complete a $1.6 billion cash tender offer for outstanding senior notes with a face value of $1.5 billion and maturities ranging from 2024 through 2049. Also in December 2021, Occidental used cash on hand to retire $627 million of senior notes due 2022.

In the third quarter of 2021, Occidental completed a cash tender for outstanding senior notes with a face value of $3.0 billion and maturities ranging from 2022 through 2026, paid $224 million of senior notes upon maturity and fully retired $1.1 billion of floating interest rate notes due August 2022.

In the first quarter of 2021, Occidental repaid $174 million of debt upon maturity. No debt matured or was otherwise paid during the second quarter of 2021.

In July, August, and December, 2020, Occidental issued $7.0 billion in senior unsecured notes, in aggregate, with maturities ranging from 2025 to 2031 and used the net proceeds to tender $3.5 billion of 2021, $2.7 billion of 2022 and $264 million of 2023 maturities. In addition, Occidental used proceeds from the sale of mineral and surface acres located in Wyoming, Colorado and Utah; the Colombian asset sale and proceeds from other divestitures and cash on hand to repay $2.5 billion of 2021 and $2 million of 2036 maturities.

In August 2020, Occidental exchanged approximately 27.9 million WES common units to retire a $260 million note payable to WES, resulting in a net loss of $46 million, which included a $76 million gain on debt extinguished associated with an unamortized premium on the note payable to WES. This net loss on exchange has been presented in (losses) gains on sale of assets, net in the Consolidated Statement of Operations.

REVOLVING CREDIT FACILITY

In December 2021, Occidental entered into the Second Amended and Restated Credit Agreement on its existing $5.0 billion RCF in which the total commitment was decreased to $4.0 billion and the LIBOR benchmark was changed to SOFR. In addition, the interest rate margin and the facility fee rates were amended to be subject to adjustments based on Occidental’s performance on specified sustainability target thresholds with respect to absolute reductions in GHG emissions from its worldwide operated assets. The RCF maturity date was extended to June 30, 2025.

Borrowings under the RCF bear interest at SOFR benchmark rates, plus a margin based on Occidental’s senior debt ratings. The facility has similar terms to other debt agreements and does not contain material adverse change clauses or debt ratings triggers that could restrict Occidental’s ability to borrow, or that would permit lenders to terminate their commitments or accelerate debt repayment. The facility provides for the termination of loan commitments and requires immediate repayment of any outstanding amounts if certain events of default occur. As of the date of this filing, Occidental has no drawn amounts under the RCF. In 2021, Occidental paid average annual facility fees of 0.302% on the total commitment amount.

RECEIVABLES SECURITIZATION FACILITY

In December 2021, Occidental amended and extended its existing receivables securitization facility to December 2024. As of December 31, 2021, the facility had $400 million of available borrowing capacity and no drawn amounts. The amended facility includes adjustments based on the same specified sustainability target thresholds as contained in the RCF.

ZERO COUPONS

The Zero Coupons have an aggregate principal amount due at the 2036 maturity of approximately $2.3 billion, reflecting an accretion rate of 5.24%. The Zero Coupons can be put to Occidental in October of each year, in whole or in part, for the then-accreted value of the outstanding Zero Coupons. The Zero Coupons can next be put to Occidental in October 2022, which, if put in whole, would be $1.1 billion at such date. Occidental has the ability and intent to refinance these obligations under the RCF or other committed facilities.

FAIR VALUE OF DEBT

Occidental estimates the fair value of fixed-rate debt based on the quoted market prices for those instruments or on quoted market yields for similarly rated debt instruments, taking into account such instruments’ maturities. The estimated fair values of Occidental’s debt as of December 31, 2021, and 2020, the majority of which were classified as Level 1, were approximately $31.1 billion and $33.8 billion, respectively. Occidental’s exposure to changes in interest rates relates primarily to its variable-rate, long-term debt obligations, and is not material. As of December 31, 2021, and 2020, variable-rate debt constituted approximately 0.2% and 3% of Occidental’s total debt, respectively.

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DEBT RATINGS

As of the date of this filing, Occidental’s long-term debt was rated BB+ by Fitch Ratings, Ba2 by Moody’s Investors Service and BB+ by Standard and Poor’s. In January 2022, Standard and Poor’s upgraded Occidental’s credit rating to BB+. Any downgrade in credit ratings could impact Occidental's ability to access capital markets and increase its cost of capital. In addition, given that Occidental’s current debt ratings are non-investment grade, Occidental may be requested, and in some cases required, to provide collateral in the form of cash, letters of credit, surety bonds or other acceptable support as financial assurance of its performance and payment obligations under certain contractual arrangements such as pipeline transportation contracts, environmental remediation obligations, oil and gas purchase contracts and certain derivative instruments.

As of the date of this filing, Occidental has provided required financial assurances through a combination of cash, letters of credit and surety bonds and has not issued any letters of credit under the RCF or other committed facilities. For additional information, see Risk Factors in Part I, Item IA of this Form 10-K.

NOTE 7 - LEASE COMMITMENTS

Occidental identifies leases through its accounts payable and contract monitoring processes. Lease assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Lease assets include the lease liability, upfront payments and costs incurred to execute the lease and are amortized on a straight-line basis over the lease term. Occidental assesses the likelihood of exercising renewal, termination and purchase options to determine the lease term. Occidental uses its incremental borrowing rate at commencement date to determine the present value of lease payments. The incremental borrowing rate is the rate of interest that Occidental would pay to borrow an amount equal to the lease payments over a similar term on a collateralized basis in a similar economic environment. Certain leases include variable lease payments based on the underlying asset’s operations that are not included in the lease asset and liability.

Occidental has operating leases for oil and gas exploration and development equipment, including offshore and onshore drilling rigs of $32 million, compressors of $62 million, storage facilities of $52 million, office space of $386 million and other field equipment of $32 million. Operating lease terms generally range from one to eight years. Operating leases also include pipelines, rail cars, easements, aircraft and real estate of $207 million. These operating leases have contract expiration terms ranging from one to 10 years.

Occidental’s finance leases include a gas treating and processing plant, oil and gas exploration and development equipment, compressors, real estate offices and field equipment of approximately $589 million.

The following table presents lease balances and their classification on the Consolidated Balance Sheets as of December 31:

millionsBalance sheet classification20212020
Assets:
OperatingOperating lease assets$726$1,062
FinanceProperty, plant and equipment581365
Total lease assets$1,307$1,427
Liabilities:
Current
OperatingCurrent operating lease liabilities$186$473
FinanceCurrent maturities of long-term debt8542
Non-current
OperatingDeferred credits and other liabilities - Operating lease liabilities585641
FinanceLong-term debt, net504316
Total lease liabilities$1,360$1,472
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As of December 31, 2021, Occidental will make the following lease payments:

millionsOperating Leases (a)Finance Leases (b)Total
2022$183$85$268
202312884212
20249982181
20257868146
20269457151
Thereafter302300602
Total lease payments8846761,560
Less: Interest(113)(87)(200)
Total lease liabilities$771$589$1,360

(a)The weighted-average remaining lease term is 7.3 years and the weighted-average discount rate is 3.40%.

(b)The weighted-average remaining lease term is 9.2 years and the weighted-average discount rate is 2.91%.

The following tables present Occidental’s total lease cost classifications and cash paid for operating and finance lease liabilities for the years ended December 31:

millions
Lease cost classification (a)20212020
Operating lease costs (b)
Property, plant and equipment, net$222$197
Operating expense and cost of sales487557
Selling, general and administrative expenses109107
Finance lease cost
Amortization of ROU assets3929
Interest on lease liabilities1314
Total lease cost$870$904

(a)Amounts reflected are gross before joint-interest recoveries. Lease payments are reduced by joint-interest recoveries on the income statement through the joint-interest billing process.

(b)Included short-term lease cost of $238 million and $207 million and variable lease cost of $120 million and $95 million for the years ended December 31, 2021 and 2020, respectively.

millions20212020
Operating cash flows$401$506
Investing cash flows$73$89
Financing cash flows$39$29
NOTE 8 - DERIVATIVES

OBJECTIVE AND STRATEGY

Occidental uses a variety of derivative financial instruments and physical contracts to manage its exposure to commodity price fluctuations, interest rate risks and transportation commitments and to fix margins on the future sale of stored commodity volumes. Occidental also enters into derivative financial instruments for trading purposes.

Occidental may elect normal purchases and normal sales exclusions when physically delivered commodities are purchased or sold to a customer. Occidental occasionally applies cash flow hedge accounting treatment to derivative financial instruments to lock in margins on the forecasted sales of its natural gas storage volumes, and at times for other strategies, such as to lock in rates on debt issuances. Derivatives are carried at fair value and on a net basis when a legal right of offset exists with the same counterparty. See Note 1 - Summary of Significant Accounting Policies for Occidental’s accounting policy on derivatives.

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DERIVATIVES NOT DESIGNATED AS HEDGING INSTRUMENTS

As of December 31, 2021, Occidental’s derivatives not designated as hedges consist of interest rate swaps and marketing derivatives. Occidental’s previously outstanding Brent-priced call options and natural gas two-way collar derivative instruments expired on or before December 31, 2021.

Derivative instruments that are not designated as hedging instruments are required to be recorded on the balance sheet at fair value. Changes in fair value will impact Occidental’s earnings through mark-to-market adjustments until the physical commodity is delivered or the financial instrument is settled. The fair value does not reflect the realized or cash value of the instrument.

COLLARS AND OIL CALL OPTIONS

In September 2020, Occidental entered into natural gas two-way collar derivative instruments for 2021 to manage its near-term exposure to cash flow variability from natural gas price risk. A two-way collar is a combination of two options: a sold call and a purchased put. The sold call establishes the ceiling price that Occidental will receive for the contracted commodity volume for a defined period of time. The purchased put establishes the floor price that Occidental will receive for the contracted volumes. Net gains and losses associated with puts and calls are recognized currently in net sales. Occidental did not have any puts or calls outstanding as of December 31, 2021. In 2021, Occidental paid $152 million to settle its gas puts and calls.

In 2019, Occidental entered into 2020 Brent-priced 3-way collars combined with 2021 call options on the same volume to manage its near-term exposure to cash flow variability from oil price risks in 2020. The 2021 call options were sold to enhance the upside retention in 2020. In 2020, collars settled with the receipt of cash of $960 million. In 2021, Occidental paid $146 million to settle oil calls.

INTEREST RATE SWAPS

Occidental's interest rate swap contracts lock in a fixed interest rate in exchange for a floating interest rate indexed to the three-month LIBOR throughout the reference period. Net gains and losses associated with interest rate swaps are recognized currently in gains (losses) on interest rate swaps and warrants, net.

Occidental had the following outstanding interest rate swaps outstanding as of December 31, 2021:

millions except percentagesMandatoryWeighted-Average
Notional Principal AmountReference PeriodTermination DateInterest Rate
$275September 2016 - 2046September 20226.709%
$450September 2017 - 2047September 20236.445%

Depending on market conditions, liability management actions or other factors, Occidental may enter into offsetting interest rate swap positions as well as amend or settle certain or all of the currently outstanding interest rate swaps.

Derivative settlements and collateralization are classified as cash flows from operating activities unless the derivatives contain an other-than-insignificant financing element, in which case the settlements and collateralization are classified as cash flows from financing activities. Net cash payments related to settlements were $885 million for the year ended December 31, 2021, which included $815 million paid to settle interest rate swaps with notional principal amounts of $400 million and $350 million and weighted average interest rates of 6.348% and 6.662%, respectively. For the year ended December 31, 2021, $51 million of collateral was returned. As of December 31, 2021, $323 million of collateral related to interest rate swaps had been netted against derivative liabilities.

MARKETING DERIVATIVES

Occidental’s marketing derivative instruments not designated as hedges are short-duration physical and financial forward contracts. Marketing derivative instruments do not include the put and call options discussed above. A substantial majority of Occidental’s physically settled derivative contracts are index-based and carry no mark-to-market valuation in earnings. As of December 31, 2021, the weighted-average settlement price of these forward contracts was $74.85/Bbl and $4.61/Mcf for crude oil and natural gas, respectively. The weighted-average settlement price was $46.05/Bbl and $2.58/Mcf for crude oil and natural gas, respectively, as of December 31, 2020. Net gains and losses associated with marketing derivative instruments not designated as hedging instruments are recognized currently in net sales.

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The following table summarizes net short volumes associated with the outstanding marketing commodity derivatives not designated as hedging instruments as of December 31:

20212020
Oil commodity contracts
Volume (MMbbl)(28)(31)
Natural gas commodity contracts
Volume (Bcf)(136)(117)

THE BERKSHIRE WARRANTS

Warrants for 80 million shares of Occidental stock, with an initial exercise price of $62.50, were issued in connection with the financing of the Acquisition (the Berkshire Warrants). The Berkshire Warrants are exercisable at the holder’s option, in whole or in part, until the first anniversary of the date on which no shares of preferred stock remain outstanding, at which time the Berkshire Warrants expire. The holders of the Berkshire Warrants could have required net cash settlement if certain shareholder and regulatory approvals to issue shares of Occidental’s common stock underlying the Berkshire Warrants were not obtained. Prior to these approvals, the fair value of the Berkshire Warrants was remeasured each reporting date with gains and losses being recorded on the income statement.

At Occidental’s May 29, 2020, annual shareholders meeting, all remaining approvals were obtained and the Berkshire Warrants can no longer be cash settled. Upon these approvals, the fair value of the Berkshire Warrants was remeasured on May 29, 2020, using the Black-Scholes option model. The reclassification from liabilities to “Additional paid-in capital” was $103 million.

The following inputs were used in the Black-Scholes option model: the expected life of the Berkshire Warrants, a volatility factor and the exercise price. The expected life is based on the estimated term of the Berkshire Warrants, the volatility factor is based on historical volatilities of Occidental common stock and the initial exercise price of $62.50.

The Berkshire Warrants contain an anti-dilution provision that adjusts the exercise price and the number of shares of Occidental’s common stock issuable on exercise upon the occurrence of certain distributions to common shareholders. On June 26, 2020, Occidental’s Board of Directors declared a distribution to its common shareholders of warrants to purchase additional shares of common stock, See Note 14 - Stockholders’ Equity. This distribution to common shareholders resulted in an anti-dilution adjustment to the Berkshire Warrants, which lowered its exercise price to $59.624 and increased the number of shares of Occidental’s common stock issuable on exercise of the Berkshire Warrants by approximately 3.9 million shares.

DERIVATIVES DESIGNATED AS HEDGING INSTRUMENTS

Net gains and losses attributable to derivative instruments subject to cash flow hedge accounting reside in accumulated other comprehensive loss and are reclassified to earnings as the transactions to which the derivatives relate, primarily interest expense on debt issued to partially finance the Acquisition, are recognized in earnings. The value of cash flow hedges was insignificant as of December 31, 2021 and 2020.

FAIR VALUE OF DERIVATIVES

Occidental has categorized its assets and liabilities that are measured at fair value in a three-level fair value hierarchy, based on the inputs to the valuation techniques: Level 1 – using quoted prices in active markets for the assets or liabilities; Level 2 – using observable inputs other than quoted prices for the assets or liabilities; and Level 3 – using unobservable inputs. Transfers between levels, if any, are reported at the end of each reporting period. The following table presents the fair values of Occidental’s outstanding derivatives. Fair values are presented at gross amounts below, including when derivatives are subject to netting arrangements, and are presented on a net basis in the Consolidated Balance Sheets.

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millionsFair Value Measurements UsingTotal Fair Value
Balance Sheet ClassificationLevel 1Level 2Level 3Netting (a)
December 31, 2021
Marketing Derivatives
Other current assets$1,516$173$—$(1,645)$44
Long-term receivables and other assets, net41—(4)1
Accrued liabilities(1,608)(196)—1,645(159)
Deferred credits and other liabilities - other(4)——4—
Interest Rate Swaps
Accrued liabilities—(315)——(315)
Deferred credits and other liabilities - other—(436)——(436)
December 31, 2020
Collars and Calls
Other current assets$—$25$—$—$25
Deferred credits and other liabilities - other—(42)——(42)
Marketing Derivatives—
Other current assets1,15580—(1,204)31
Long-term receivables and other assets, net72—(7)2
Accrued liabilities(1,252)(81)—1,204(129)
Deferred credits and other liabilities - other(7)——7—
Interest Rate Swaps—
Accrued liabilities—(936)——(936)
Deferred credits and other liabilities - other—(822)——(822)

(a)These amounts do not include collateral. As of December 31, 2021, and December 31, 2020, $323 million and $374 million of collateral related to interest rate swaps had been netted against derivative liabilities, respectively. Occidental netted $110 million and $85 million of collateral deposited with brokers against derivative liabilities related to marketing derivatives as of December 31, 2021 and December 31, 2020, respectively.

GAINS AND LOSSES ON DERIVATIVES

The following table presents gains and (losses) related to Occidental’s derivative instruments in the consolidated condensed statements of operations for the years ended December 31:

millions
Income Statement Classification202120202019
Collars and Calls
Net sales$(344)$1,064$(107)
Marketing Derivatives
Net sales (a)338(393)1,804
Interest Rate Swaps (Excluding WES)
Gains (losses) on interest rate swaps and warrants, net122(428)122
Other (b)
Gains on interest rate swaps and warrants, net—5111

(a)Includes derivative and non-derivative marketing activity.

(b)Primarily includes losses and gains on Berkshire Warrants prior to the May 29, 2020 reclassification to equity.

CREDIT RISK

The majority of Occidental’s counterparty credit risk is related to the physical delivery of energy commodities to its customers and their inability to meet their settlement commitments. Occidental manages credit risk by selecting

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counterparties that it believes to be financially strong, by entering into netting arrangements with counterparties and by requiring collateral or other credit risk mitigants, as appropriate. Occidental actively evaluates the creditworthiness of its counterparties, assigns appropriate credit limits and monitors credit exposures against those assigned limits. Occidental also enters into futures contracts through regulated exchanges with select clearinghouses and brokers, which are subject to minimal credit risk, if any.

Certain of Occidental’s OTC derivative instruments contain credit-risk-contingent features, primarily tied to credit ratings for Occidental or its counterparties, which may affect the amount of collateral that each party would need to post. The aggregate fair value of derivative instruments with credit-risk-contingent features for which a net liability position existed as of December 31, 2021 was $107 million (net of $323 million collateral), which was primarily related to interest rate swaps. The aggregate fair value of derivative instruments with credit-risk-contingent features for which a net liability position existed as of December 31, 2020 was $104 million (net of $374 million of collateral), which was primarily related to interest rate swaps.

NOTE 9 - FAIR VALUE MEASUREMENTS

FAIR VALUES – RECURRING

In January 2012, Occidental entered into a long-term contract to purchase CO2. This contract contained a price adjustment clause that was not clearly and closely related to the host contract and Occidental accounted for it at fair value in the consolidated financial statements. In December 2021, the price adjustment clause related to the contract expired and no longer is recognized at fair value.

FAIR VALUES – NONRECURRING

2021:

For the year ended December 31, 2021, Occidental recorded pre-tax impairments of $276 million related to undeveloped leases that either expired or were set to expire in the near-term, where Occidental had no plans to pursue exploration activities.

2020:

The table below summarizes the significant impairments and other charges incurred to measure assets to their fair value on a nonrecurring basis throughout the year ended December 31, 2020:

millionsTotal Fair Value
Asset impairments and other charges
Goodwill$1,153
Oil and gas properties - proved$2,436
Oil and gas properties - unproved$4,591
Oil and gas properties - discontinued operations$2,191
WES equity investment$2,673

GOODWILL

In the first quarter of 2020, Occidental impaired $1.2 billion in goodwill related to Occidental’s ownership in WES, which was previously included in long-term receivables and other assets, net. The market value of WES’ publicly traded units is considered a Level 1 input.

OIL AND GAS PROPERTIES

In the second quarter of 2020, as a result of the expected prolonged period of lower commodity prices brought on by the COVID-19 pandemic’s impact on oil demand, Occidental tested substantially all of its oil and gas assets for impairment. Occidental recognized total pre-tax impairments to its oil and gas proved and unproved properties of $8.6 billion, of which $6.4 billion was included in oil and gas segment results and $2.2 billion ($1.4 billion net of tax) related to Ghana was included in discontinued operations.

In the second quarter of 2020, Occidental recorded proved property pre-tax impairments of $1.2 billion primarily related to certain assets for its domestic onshore and Gulf of Mexico assets and $0.9 billion to adjust the Algeria oil and gas proved properties to their fair value. The fair value of the proved properties was measured based on the income approach.

Unproved property pre-tax impairments of $4.3 billion were primarily related to domestic onshore unproved acreage. The fair value of this acreage was measured based on a market approach using an implied acreage valuation derived from domestic onshore market participants excluding the fair value assigned to proved properties.

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Income approaches are considered Level 3 fair value estimates and include significant assumptions of future production and timing of production, commodity price assumptions and operating and capital cost estimates, discounted using a 10 percent weighted average cost of capital. Taxes were based on current statutory rates. Future production and timing of production is based on internal reserves estimates and internal economic models for a specific oil and gas asset. Internal reserve estimates consist of proved reserves and unproved reserves, the latter adjusted for uncertainty based on reserve category. Price assumptions were based on a combination of market information and published industry resources adjusted for historical differentials. Price assumptions ranged from approximately $40 per barrel of oil in 2020 increasing to approximately $70 per barrel of oil in 2034, with an unweighted arithmetic average price of $59.17 and $62.42 for WTI and Brent indexed assets for the 15 year period, respectively. Natural gas prices ranged from approximately $2.00 per Mcf in 2020 to approximately $3.60 per Mcf in 2034, with an unweighted arithmetic average price of $3.13 for NYMEX based assets for the 15 year period. Both oil and natural gas commodity prices were held flat after 2034 and were adjusted for location and quality differentials. Operating and capital cost estimates were based on current observable costs and were further escalated 1 percent in every period where commodity prices exceeded $50 per barrel and 2 percent in every period where commodity prices exceeded $60 per barrel. The weighted average cost of capital is calculated based on industry peers and best approximates the cost of capital an external market participant would expect to obtain.

In the first quarter of 2020, Occidental's oil and gas segment recognized pre-tax impairment and related charges of $581 million primarily related to both proved and unproved oil and gas properties and a lower of cost or net realizable value adjustment for crude inventory. Occidental recorded proved property impairments of $293 million related to certain international assets and the Gulf of Mexico. Occidental recorded unproved property impairments, of approximately $241 million, primarily related to domestic onshore undeveloped leases and offshore Gulf of Mexico where Occidental no longer intends to pursue exploration, appraisal or development activities primarily due to the reduction in near-term capital plans.

If there is an adverse downturn of the macroeconomic conditions and if such downturn is expected to or does persist for a prolonged period of time, Occidental’s oil and gas properties may be subject to further testing for impairment, which could result in additional non-cash asset impairments. Such impairments could be material to the financial statements.

WES EQUITY INVESTMENT

At the end of the third quarter of 2020, Occidental recorded an other-than-temporary impairment of $2.7 billion, as the fair value of Occidental’s investment in WES had remained significantly lower than its book value for the majority of the nine months ended September 30, 2020. Occidental concluded that the difference between the fair value and book value of WES was not temporary, primarily given both the magnitude and the duration that the fair value was below its book value. This other-than-temporary impairment was calculated based on the closing market price of WES as of September 30, 2020. The market value of WES’ publicly traded common units is considered a Level 1 input.

FINANCIAL INSTRUMENTS FAIR VALUE

The carrying amounts of cash, cash equivalents, restricted cash, restricted cash equivalents and other on-balance sheet financial instruments, other than fixed-rate debt, approximate fair value. See Note 6 - Long-Term Debt for the fair value of long-term debt.

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NOTE 10 - INCOME TAXES

The following summarizes domestic and foreign components of income (loss) from continuing operations before domestic and foreign income taxes for the years ended December 31:

millions202120202019
Domestic$1,966$(15,322)$(1,632)
Foreign1,739(383)1,986
Total$3,705$(15,705)$354

The following summarizes components of income tax expense (benefit) on continuing operations for the years ended December 31:

millions202120202019
Current
Federal$173$(126)$33
State and Local36646
Foreign6604651,809
Total current tax expense$869$345$1,888
Deferred
Federal191(2,384)(130)
State and Local(153)(103)17
Foreign8(30)(914)
Total deferred tax expense (benefit)$46$(2,517)$(1,027)
Total income tax expense (benefit)$915$(2,172)$861

The following reconciliation of the U.S federal statutory income tax rate to Occidental’s worldwide effective tax rate on income from continuing operations for the years ended December 31 is stated as a percentage of income (loss) from continuing operations before income taxes:

202120202019
U.S. federal statutory tax rate21%21%21%
Enhanced oil recovery credit and other general business credits(3)—(2)
Goodwill impairment—(3)—
Capital loss(2)——
Tax impact from foreign operations8(4)135
State income taxes, net of federal benefit(2)—14
Uncertain tax positions——7
Transaction costs——10
Non-controlling interest——(8)
Executive compensation limitation1—12
Stock warrants——(5)
WES loss of control——58
Other2—1
Worldwide effective tax rate25%14%243%

In 2021, Occidental’s worldwide effective tax rate was 25%, which was higher than the U.S. statutory rate of 21% due to higher tax rates in the foreign jurisdictions in which Occidental operates, partially offset by the tax impact of business credits, state tax revaluations and other domestic tax benefits.

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In 2020, Occidental’s worldwide effective tax rate was 14%, which was largely a result of the impairment of the WES goodwill and certain international assets for which Occidental received no tax benefit and higher-taxed international operations which generally caused Occidental’s tax rate to vary significantly from the U.S. corporate tax rate.

The tax effects of temporary differences resulting in deferred income taxes as of December 31:

millions20212020
Deferred tax liabilities
Property, plant and equipment differences$(9,905)$(10,744)
Equity investments, partnerships and international subsidiaries(571)(658)
Gross long-term deferred tax liabilities(10,476)(11,402)
Deferred tax assets
Environmental reserves242257
Postretirement benefit accruals285398
Deferred compensation and benefits286186
Asset retirement obligations850942
Foreign tax credit carryforwards3,9044,465
General business credit carryforwards698607
Net operating loss carryforward1,6281,797
Interest expense carryforward28668
All other689720
Gross long-term deferred tax assets8,61010,040
Valuation allowance(5,136)(5,695)
Net long-term deferred tax assets$3,474$4,345
Total deferred income tax liability, net$(7,002)$(7,057)
Less: foreign deferred tax asset in long-term receivables and other assets, net(37)(56)
Total deferred income tax liability, gross$(7,039)$(7,113)

Total deferred tax assets, after valuation allowances, were $3.5 billion and $4.3 billion as of December 31, 2021, and 2020, respectively. Occidental expects to realize the recorded deferred tax assets, net of any allowances, through future operating income and reversal of temporary differences. The total deferred tax liabilities were $10.5 billion and $11.4 billion as of December 31, 2021 and 2020, respectively. The decrease in the net deferred tax liability in 2021 compared to 2020 was primarily driven by the impact of lower capital spending and domestic asset impairments for which Occidental does not receive an immediate tax benefit, partially offset by the utilization of net operating losses and other tax attributes.

As of December 31, 2021, Occidental had foreign tax credit carryforwards of $3.9 billion, federal general business credits carryforwards of $659 million and state tax credit carryforwards of $39 million. Occidental has recorded a valuation allowance for $3.9 billion of the foreign tax credit carryforwards and $34 million of the state tax credit carryforwards.

As of December 31, 2021, Occidental had tax-effected federal net operating loss carryforwards of $511 million, foreign net operating loss carryforwards of $833 million and state net operating loss carryforwards of $284 million. The carryforward balances have varying carryforward periods through 2041, excluding certain attributes for which there is an indefinite carryforward period. A valuation allowance was recorded for $244 million of the tax-effected state net operating loss carryforwards and $797 million of the tax-effected foreign net operating loss carryforwards. Occidental has an additional valuation allowance of $145 million against other foreign deferred tax assets.

Occidental had no tax-effected federal interest expense carryforward and tax-effected state interest expense carryforward of $28 million as of December 31, 2021. Occidental recorded a valuation allowance for $9 million of the state interest expense carryforward.

A deferred tax liability has not been recognized for temporary differences related to unremitted earnings of certain consolidated international subsidiaries aggregating approximately $916 million as of December 31, 2021, as it is Occidental’s intention to reinvest such earnings indefinitely. If the earnings of these international subsidiaries were not indefinitely reinvested, an additional deferred tax liability of approximately $219 million would be required.

As a result of a legal entity reorganization, management will make an adjustment to the tax basis in a portion of its operating assets, thus reducing Occidental’s deferred tax liabilities. Accordingly, in the first quarter of 2022, Occidental will record a one-time non-cash tax benefit that is currently estimated not to exceed $2.6 billion, in connection with this

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reorganization. The timing of any reduction in Occidental’s future cash taxes as a result of this legal entity reorganization will be dependent on a number of factors, including prevailing commodity prices, capital activity level and production mix. Occidental will complete its review of its tax basis calculations, fair value assessments and other information and will finalize the adjustment to its deferred tax liabilities during the first quarter of 2022.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

millions202120202019
Balance as of January 1$2,045$2,173$—
Increase related to Anadarko Acquisition——2,143
Increases related to prior-year positions751430
Settlements(80)(42)—
Reductions for tax positions of prior years(14)(100)—
Balance as of December 31$2,026$2,045$2,173

The December 31, 2021 balance of unrecognized tax benefits of $2.0 billion included potential benefits of $2.0 billion of which, if recognized, $1.6 billion would affect the effective tax rate on income. Also included were benefits of $60 million related to tax positions for which the ultimate deductibility is highly certain, but the timing of such deductibility is uncertain. Occidental records estimated potential interest and penalties related to liabilities for unrecognized tax benefits in the provisions for domestic and foreign income taxes. During 2021, Occidental recorded interest related to liabilities for unrecognized tax benefits of $58 million, for a cumulative accrued interest related to liabilities for unrecognized tax benefits of $321 million as of December 31, 2021. There were no penalties associated with liabilities for unrecognized tax benefits recorded for the years ended December 31, 2021 and 2020. Over the next 12 months, it is reasonably possible that there will not be a decrease in the total amount of unrecognized tax benefits resulting from settlements with taxing authorities or statute of limitations lapses.

Occidental recognized $105 million and $110 million in federal and state income tax receivables as of December 31, 2021, and 2020, respectively, which was recorded in other current assets. In addition, Occidental recognized $33 million and $24 million associated with audits as of December 31, 2021 and 2020, respectively, both of which were recorded in long-term receivables and other assets, net.

Occidental is subject to audit by various tax authorities in varying periods. See Note 13 - Lawsuits, Claims, Commitments and Contingencies for a discussion of these matters.

NOTE 11 - RETIREMENT AND POSTRETIREMENT BENEFIT PLANS

Occidental has various defined contribution and defined benefit plans for its salaried, domestic union and nonunion hourly and certain foreign national employees. In addition, Occidental also provides medical and other benefits for certain active, retired and disabled employees and their eligible dependents.

Effective as of June 30, 2020 the defined benefit pension plans and certain of the supplemental plans covering active Anadarko employees were frozen. This resulted in a decrease to the benefit obligation of approximately $278 million, including a curtailment gain of approximately $124 million and a corresponding offset to accumulated OCI of approximately $154 million.

In 2021, Occidental settled a significant portion of retiree liability through an annuity purchase. This annuity purchase applied to participants in certain defined benefit plans. The impact of this settlement transaction was approximately $109 million and is reflected in the December 31, 2021 projected benefit obligation.

DEFINED CONTRIBUTION PLANS

All domestic employees and certain foreign national employees are eligible to participate in one or more of the defined contribution retirement or savings plans that provide for periodic contributions by Occidental based on plan-specific criteria, such as base pay, level and employee contributions. Certain salaried employees participate in a supplemental retirement plan that restores benefits lost due to governmental limitations on qualified retirement benefits. The accrued liabilities for the supplemental retirement plan were $249 million and $239 million as of December 31, 2021, and 2020, respectively. Occidental expensed $166 million in 2021, $192 million in 2020 and $192 million in 2019 under the provisions of these defined contribution and supplemental retirement plans.

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DEFINED BENEFIT PLANS

Participation in defined benefit plans is limited. Approximately 400 domestic and 300 foreign national employees, mainly union, nonunion hourly and certain employees that joined Occidental from acquired operations with grandfathered benefits, are currently accruing benefits under these plans.

Pension costs for Occidental’s defined benefit pension plans, determined by independent actuarial valuations, are generally funded by payments to trust funds, which are administered by independent trustees.

POSTRETIREMENT AND OTHER BENEFIT PLANS

Occidental provides medical and dental benefits and life insurance coverage for certain active, retired and disabled employees and their eligible dependents. Occidental generally funds the benefits as they are paid during the year. These benefit costs, including the postretirement costs for the years ended December 31, were $211 million in 2021, $235 million in 2020 and $220 million in 2019.

OBLIGATIONS AND FUNDED STATUS

The following tables show the amounts recognized in Occidental’s consolidated balance sheets related to its pension and postretirement benefit plans as of December 31:

Pension BenefitsPostretirement Benefits
millions2021202020212020
Amounts recognized in the consolidated balance sheet:
Long-term receivables and other assets, net$192$167$—$—
Accrued liabilities(4)(9)(71)(74)
Deferred credits and other liabilities — pension and postretirement obligations(391)(578)(1,149)(1,185)
$(203)$(420)$(1,220)$(1,259)
Accumulated other comprehensive loss included the following after-tax balances:
Net (gain) loss$(17)$(3)$163$226
Prior service credit——(50)(60)
$(17)$(3)$113$166
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The following tables show the funding status, obligations and plan asset fair values of Occidental related to its pension and postretirement benefit plans for the years ended December 31:

Pension BenefitsPostretirement Benefits
millions2021202020212020
Changes in the benefit obligation:
Benefit obligation — beginning of year$1,613$2,508$1,259$1,175
Service cost — benefits earned during the period8374239
Interest cost on projected benefit obligation35523337
Actuarial (gain) loss(55)251(54)73
Curtailment (gain) loss—(278)—2
Special termination benefits—23——
Benefits paid(219)(948)(67)(73)
Sale of Colombia assets—(24)——
Settlement due to annuity purchase(109)———
Other—(8)76
Benefit obligation — end of year$1,273$1,613$1,220$1,259
Changes in plan assets:
Fair value of plan assets — beginning of year$1,193$1,841$—$—
Actual return on plan assets44161——
Employer contributions1621465967
Benefits paid(219)(948)(67)(73)
Payments due to annuity purchase(109)———
Other(1)(7)86
Fair value of plan assets — end of year$1,070$1,193$—$—
Unfunded status:$(203)$(420)$(1,220)$(1,259)

Changes in actuarial gains and losses in the projected benefit obligation are primarily driven by discount rate movement.

The following table sets forth details of the obligations and assets of Occidental’s defined benefit pension plans for the years ended December 31:

Accumulated Benefit Obligation in Excess of Plan AssetsPlan Assets in Excess of Accumulated Benefit Obligation
millions2021202020212020
Projected benefit obligation$963$1,226$310$387
Accumulated benefit obligation$960$1,221$308$379
Fair value of plan assets$656$670$414$523
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COMPONENTS OF NET PERIODIC BENEFIT COST

The following table sets forth the components of net periodic benefit costs for the years ended December 31:

Pension BenefitsPostretirement Benefits
millions202120202019202120202019
Net periodic benefit costs:
Service cost — benefits earned during the period$8$37$47$42$39$24
Interest cost on projected benefit obligation355240333736
Expected return on plan assets(59)(73)(52)———
Recognized actuarial loss25915118
Recognized prior service credit———(9)(8)(8)
(Gain) loss due to curtailment—(124)(91)—26
Gain due to settlement(19)(19)————
Special termination benefits—2249———
Other costs and adjustments—1(2)———
Net periodic benefit cost$(33)$(99)$—$81$81$66

The service cost component of net periodic benefit cost is included in selling, general and administrative, oil and gas operating expense, chemical and midstream costs and exploration expense on Occidental’s Consolidated Statements of Operations. All other components of net periodic benefit cost are included in other operating and non-operating expense.

ADDITIONAL INFORMATION

The following table sets forth the weighted-average assumptions used to determine Occidental’s benefit obligation and net periodic benefit cost for domestic plans for the years ended December 31:

Pension BenefitsPostretirement Benefits
2021202020212020
Benefit Obligation Assumptions:
Discount rate2.67%2.19%2.94%3.05%
Rate of increase in compensation levels3.98%5.07%——
Net Periodic Benefit Cost Assumptions:
Discount rate2.19%3.04%3.05%3.26%
Rate of increase in compensation levels5.07%5.34%——
Assumed long-term rate of return on assets4.92%6.02%——

For domestic pension plans and postretirement benefit plans, Occidental based the discount rate on a AA-AAA Universe yield curve in 2021 and 2020. The assumed long-term rate of return on assets is estimated with regard to current market factors but within the context of historical returns for the asset mix that exists at year end. Assumed rates of compensation increases for active participants in certain plans and vary by age group.

In 2020, Occidental adopted the Society of Actuaries Pri-2012 Private Retirement Plans Mortality Tables with MP-2020 Mortality Improvement Scale, which updated the mortality assumptions that private defined-benefit plans in the United States use in the actuarial valuations that determine a plan sponsor’s pension obligations. The new mortality assumption reflects additional data that the Social Security Administration has released since the previous mortality tables and improvement scales were released.

The postretirement benefit obligation was determined by application of the terms of medical and dental benefits and life insurance coverage, including the effect of established maximums on covered costs, together with relevant actuarial assumptions and health care cost trend rates. Health care cost trend rates for Medicare advantaged prescription drug (MAPD) plans of 9.6% starting in 2021, then grading down to 4.5% in 2028 and beyond. Health care cost trend rates used for non-MAPD plans are 6.3% to 6.8% in 2021, then grading down to 4.5% in 2028 and beyond.

The actuarial assumptions used could change in the near-term as a result of changes in expected future trends and other factors that, depending on the nature of the changes, could cause increases or decreases in the plan assets and liabilities.

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FAIR VALUE OF PENSION PLAN ASSETS

Qualified defined benefit plan assets are monitored by Occidental’s Pension and Retirement Trust and Investment Committee in its role as a fiduciary. The Investment Committee selects and employs various external professional investment management firms to manage specific investments across the spectrum of asset classes. The Investment Committee employs a liability driven investment approach that uses a diversified blend of investments (equity securities, fixed-income securities, and alternative investments) along a glide path to optimize the long-term return of plan assets relative to plan liabilities, at a prudent level of risk. Equity investments are diversified across U.S. and non-U.S. stocks, as well as differing styles and market capitalizations. Investment performance is measured and monitored on an ongoing basis through quarterly investment portfolio and manager guideline compliance reviews, annual liability measurements and periodic studies.

The fair values of Occidental’s pension plan assets by asset category were as follows:

millionsLevel 1Level 2Level 3Total
December 31, 2021
Asset Class:
Cash and cash equivalents$19$—$—$19
Government securities63——63
Corporate bonds (a)—36—36
Equity securities (b)46——46
Other—76—76
Investments measured at fair value$128$112$—$240
Investments measured at net asset value (c)———836
Total pension plan assets (d)$128$112$—$1,076
December 31, 2020
Asset Class:
Cash and cash equivalents$38$—$—$38
Government securities65——65
Corporate bonds (a)—39—39
Equity securities (b)138——138
Other—55—55
Investments measured at fair value$241$94$—$335
Investments measured at net asset value (c)———861
Total pension plan assets (d)$241$94$—$1,196

(a)This category represents investment grade bonds of U.S. and non-U.S. issuers from diverse industries.

(b)This category represents direct investments in mutual funds and common and preferred stocks from diverse U.S. and non-U.S. industries.

(c)Certain investments measured at fair value using the NAV per share (or its equivalent) have not been categorized in the fair value hierarchy. Amounts presented in this table are intended to reconcile the fair value hierarchy to the pension plan assets.

(d)Amounts exclude net payables of approximately $6 million as of December 31, 2021 and $3 million as of December 31, 2020.

Occidental expects to contribute an immaterial amount in cash to its defined benefit pensions plans during 2022.

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Estimated future benefit payments, which reflect expected future service, as appropriate, are as follows for the years ended December 31:

millionsPension BenefitsPostretirement Benefits
2022$130$72
20237370
20247768
20257166
20266864
2027 - 2031318306
NOTE 12 - ENVIRONMENTAL LIABILITIES AND EXPENDITURES

Occidental’s operations are subject to stringent federal, state, local and international laws and regulations related to improving or maintaining environmental quality. The laws that require or address environmental remediation, including CERCLA and similar federal, state, local and international laws, may apply retroactively and regardless of fault, the legality of the original activities or the current ownership or control of sites. Occidental or certain of its subsidiaries participate in or actively monitor a range of remedial activities and government or private proceedings under these laws with respect to alleged past practices at operating, closed and third-party sites. Remedial activities may include one or more of the following: investigation involving sampling, modeling, risk assessment or monitoring; cleanup measures including removal, treatment or disposal; or operation and maintenance of remedial systems. The environmental proceedings seek funding or performance of remediation and, in some cases, compensation for alleged property damage, punitive damages, civil penalties, injunctive relief and government oversight costs.

ENVIRONMENTAL REMEDIATION

As of December 31, 2021, Occidental participated in or monitored remedial activities or proceedings at 165 sites. The following table presents Occidental’s current and non-current environmental remediation liabilities as of December 31, 2021 and 2020, the current portion of which is included in accrued liabilities ($155 million in 2021 and $123 million in 2020) and the remainder in deferred credits and other liabilities - environmental remediation liabilities ($0.9 billion in 2021 and $1.0 billion in 2020).

Occidental’s environmental remediation sites are grouped into four categories: NPL sites listed or proposed for listing by the EPA on the CERCLA NPL and three categories of non-NPL sites — third-party sites, Occidental-operated sites and closed or non-operated Occidental sites.

20212020
millions, except number of sitesNumber of SitesRemediation BalanceNumber of SitesRemediation Balance
NPL sites30$42735$447
Third-party sites6927369293
Occidental-operated sites1512217144
Closed or non-operated Occidental sites5127749267
Total165$1,099170$1,151

As of December 31, 2021, Occidental’s environmental liabilities exceeded $10 million each at 20 of the 165 sites described above, and 96 of the sites had liabilities from $0 to $1 million each. As of December 31, 2021, two sites — the Maxus-indemnified Diamond Alkali Superfund Site and a landfill in Western New York — accounted for 96% of its liabilities associated with NPL sites. 14 of the 30 NPL sites are indemnified by Maxus.

Five of the 69 third-party sites — a Maxus-indemnified chrome site in New Jersey, a former copper mining and smelting operation in Tennessee, a former oil field and a landfill in California and an active refinery in Louisiana where Occidental reimburses the current owner for certain remediation activities — accounted for 75% of Occidental’s liabilities associated with these sites. Nine of the 69 third-party sites are indemnified by Maxus.

Four sites — oil and gas operations in Colorado and chemical plants in Kansas, Louisiana and Texas — accounted for 69% of the liabilities associated with the Occidental-operated sites. Ten other sites — a landfill in Western New York, a former refinery in Oklahoma, former chemical plants in California, Delaware, Michigan, New York, Ohio, Tennessee and

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Washington, and a closed coal mine in Pennsylvania — accounted for 75% of the liabilities associated with closed or non-operated Occidental sites.

Environmental remediation liabilities vary over time depending on factors such as acquisitions or divestitures, identification of additional sites and remedy selection and implementation. Occidental recorded environmental remediation expenses of $28 million, $36 million and $112 million for the years ended December 31, 2021, 2020, and 2019, respectively. Environmental remediation expenses primarily relate to changes to existing conditions from past operations. Based on current estimates, Occidental expects to expend funds corresponding to approximately 40% of the year-end remediation balance over the next three to four years with the remainder over the subsequent 10 or more years. Occidental believes its range of reasonably possible additional losses beyond those amounts currently recorded for environmental remediation for all of its environmental sites could be up to $1.3 billion.

MAXUS ENVIRONMENTAL SITES

When Occidental acquired DSCC in 1986, Maxus agreed to indemnify Occidental for a number of environmental sites, including the Diamond Alkali Superfund Site (Site) along a portion of the Passaic River. On June 17, 2016, Maxus and several affiliated companies filed for Chapter 11 bankruptcy in Federal District Court in the State of Delaware. Prior to filing for bankruptcy, Maxus defended and indemnified Occidental in connection with clean-up and other costs associated with the sites subject to the indemnity, including the Site.

In March 2016, the EPA issued a ROD specifying remedial actions required for the lower 8.3 miles of the Lower Passaic River. The ROD does not address any potential remedial action for the upper nine miles of the Lower Passaic River or Newark Bay. During the third quarter of 2016, and following Maxus’s bankruptcy filing, Occidental and the EPA entered into an AOC to complete the design of the proposed clean-up plan outlined in the ROD with an estimated cost of $165 million. The EPA announced that it will pursue similar agreements with other potentially responsible parties.

Occidental has accrued a reserve relating to its estimated allocable share of the costs to perform the design and remediation called for in the AOC and the ROD, as well as for certain other Maxus-indemnified sites. Occidental's accrued estimated environmental reserve does not consider any recoveries for indemnified costs. Occidental’s ultimate share of this liability may be higher or lower than the reserved amount and is subject to final design plans and the resolution of Occidental's allocable share with other potentially responsible parties. Occidental continues to evaluate the costs to be incurred to comply with the AOC and the ROD and to perform remediation at other Maxus-indemnified sites in light of the Maxus bankruptcy and the share of ultimate liability of other potentially responsible parties. In June 2018, Occidental filed a complaint under CERCLA in Federal District Court in the State of New Jersey against numerous potentially responsible parties for reimbursement of amounts incurred or to be incurred to comply with the AOC and the ROD, or to perform other remediation activities at the Site.

In September 2021, the EPA issued a ROD with an estimated cost of $441 million for an interim remedy plan for the upper nine miles of the Lower Passaic River. At this time, Occidental’s role or responsibilities under this ROD, and those of other potentially responsible parties, have not been determined with the EPA. Discussions between Occidental and the EPA are ongoing about this ROD.

In June 2017, the court overseeing the Maxus bankruptcy approved a Plan to liquidate Maxus and create a trust to pursue claims against current and former parents YPF and Repsol, as well as others to satisfy claims by Occidental and other creditors for past and future cleanup and other costs. In July 2017, the court-approved Plan became final and the trust became effective. The trust is pursuing claims against YPF, Repsol and others and is expected to distribute assets to Maxus' creditors in accordance with the trust agreement and Plan. In June 2018, the trust filed its complaint against YPF and Repsol in Delaware bankruptcy court asserting claims based upon, among other things, fraudulent transfer and alter ego. During 2019, the bankruptcy court denied Repsol's and YPF's motions to dismiss the complaint as well as their motions to move the case away from the bankruptcy court. Discovery remains ongoing.

NOTE 13 - LAWSUITS, CLAIMS, COMMITMENTS AND CONTINGENCIES

LEGAL MATTERS

Occidental or certain of its subsidiaries are involved, in the normal course of business, in lawsuits, claims and other legal proceedings that seek, among other things, compensation for alleged personal injury, breach of contract, property damage or other losses, punitive damages, civil penalties, or injunctive or declaratory relief. Occidental or certain of its subsidiaries also are involved in proceedings under CERCLA and similar federal, state, local and international environmental laws. These environmental proceedings seek funding or performance of remediation and, in some cases, compensation for alleged property damage, punitive damages, civil penalties and injunctive relief. Usually Occidental or such subsidiaries are among many companies in these environmental proceedings and have to date been successful in sharing response costs with other financially sound companies. Further, some lawsuits, claims and legal proceedings involve acquired or disposed assets with respect to which a third party or Occidental retains liability or indemnifies the other party for conditions that existed prior to the transaction.

In accordance with applicable accounting guidance, Occidental accrues reserves for outstanding lawsuits, claims and proceedings when it is probable that a liability has been incurred and the liability can be reasonably estimated. Reserves for

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matters, other than for environmental remediation and the arbitration award disclosed below, that satisfy this criteria as of December 31, 2021 and 2020, were not material to Occidental’s Consolidated Balance Sheets.

In 2016, Occidental received payments from the Republic of Ecuador of approximately $1.0 billion pursuant to a November 2015 arbitration award for Ecuador’s 2006 expropriation of Occidental’s Participation Contract for Block 15. The awarded amount represented a recovery of 60% of the value of Block 15. In 2017, Andes filed a demand for arbitration, claiming it is entitled to a 40% share of the judgment amount obtained by Occidental. Occidental contends that Andes is not entitled to any of the amounts paid under the 2015 arbitration award because Occidental’s recovery was limited to Occidental’s own 60% economic interest in the block. On March 26, 2021, the arbitration tribunal issued an award in favor of Andes and against OEPC in the amount of $391 million plus interest. In June 2021, OEPC filed a motion to vacate the award due to concerns regarding the validity of the award. In addition, OEPC has made a demand for significant additional claims not addressed by the arbitration tribunal that OEPC has against Andes relating to Andes' 40% share of costs, liabilities, losses and expenses due under the farmout agreement and joint operating agreement to which Andes and OEPC are parties. In December 2021, the U.S. District Court Southern District of New York confirmed the arbitration award, plus prejudgment interest, in the aggregate amount of $558 million. OEPC has appealed the judgement.

In August 2019, Sanchez filed voluntary petitions for reorganization under Chapter 11 of the United States Bankruptcy Code. Sanchez is a party to agreements with Anadarko as a result of its 2017 purchase of Anadarko's Eagle Ford Shale assets. Sanchez attempted to reject some of the agreements related to the Bankruptcy Litigation. If Sanchez was permitted to reject certain of those agreements, then Anadarko may owe deficiency payments to various third parties. In December 2021, Occidental and certain of its affiliates entered into an agreement to resolve the Bankruptcy Litigation. Occidental recorded a contingency reserve as of September 30, 2021, associated with the settlement.

If unfavorable outcomes of these matters were to occur, future results of operations or cash flows for any particular quarterly or annual period could be materially adversely affected. Occidental’s estimates are based on information known about the legal matters and its experience in contesting, litigating and settling similar matters. Occidental reassesses the probability and estimability of contingent losses as new information becomes available.

TAX MATTERS

During the course of its operations, Occidental is subject to audit by tax authorities for varying periods in various federal, state, local and international tax jurisdictions. Tax years through 2017 for U.S. federal income tax purposes have been audited by the IRS pursuant to its Compliance Assurance Program and subsequent taxable years are currently under review. Tax years through 2012 have been audited for state income tax purposes. Significant audit matters in international jurisdictions have been resolved through 2010. During the course of tax audits, disputes have arisen and other disputes may arise as to facts and matters of law.

For Anadarko, its taxable years through 2014 and tax year 2016 for U.S. federal tax purposes have been audited by the IRS. Tax years through 2008 have been audited for state income tax purposes. There is one outstanding significant tax matter in an international jurisdiction related to a discontinued operation. As stated above, during the course of tax audits, disputes have arisen and other disputes may arise as to facts and matters of law.

Other than the matter discussed below, Occidental believes that the resolution of these outstanding tax matters would not have a material adverse effect on its consolidated financial position or results of operations.

Anadarko received an $881 million tentative refund in 2016 related to its $5.2 billion Tronox Adversary Proceeding settlement payment in 2015. In September 2018, Anadarko received a statutory notice of deficiency from the IRS disallowing the net operating loss carryback and rejecting Anadarko’s refund claim. As a result, Anadarko filed a petition with the U.S. Tax Court to dispute the disallowances in November 2018. The case was in the IRS appeals process until the second quarter of 2020, however it has since been returned to the U.S. Tax Court, where a trial date has been set for July 2022 and Occidental expects to continue pursuing resolution.

In accordance with ASC 740’s guidance on the accounting for uncertain tax positions, Occidental has recorded no tax benefit on the tentative cash tax refund of $881 million. As a result, should Occidental not ultimately prevail on the issue, there would be no additional tax expense recorded relative to this position for financial statement purposes other than future interest. However, in that event, Occidental would be required to repay approximately $1 billion in federal taxes, $27 million in state taxes and accrued interest of $314 million. A liability for this amount plus interest is included in deferred credits and other liabilities-other.

INDEMNITIES TO THIRD PARTIES

Occidental, its subsidiaries, or both, have indemnified various parties against specified liabilities those parties might incur in the future in connection with purchases and other transactions that they have entered into with Occidental. These indemnities usually are contingent upon the other party incurring liabilities that reach specified thresholds. As of December 31, 2021, Occidental is not aware of circumstances that it believes would reasonably be expected to lead to indemnity claims that would result in payments materially in excess of reserves.

PURCHASE OBLIGATIONS AND COMMITMENTS

Occidental, its subsidiaries, or both, have entered into agreements providing for future payments, primarily to secure terminal and pipeline capacity, and also for drilling rigs and services, electrical power, steam and certain chemical raw

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materials. Occidental has certain other commitments under contracts, guarantees and joint ventures, including purchase commitments for goods and services at market-related prices and certain other contingent liabilities. As of December 31, 2021, total purchase obligations were $12.5 billion, which included approximately $3.0 billion in 2022, $4.3 billion in 2023 and 2024, $2.6 billion in 2025 and 2026, and $2.6 billion in 2027 and thereafter.

NOTE 14 - STOCKHOLDERS’ EQUITY

The following is a summary of common stock issuances:

Shares in thousandsCommon Stock
Balance, December 31, 2018895,116
Issued3,188
Issued as part of the Acquisition (a)146,131
Balance, December 31, 20191,044,435
Issued36,130
Balance, December 31, 20201,080,565
Issued2,522
Options exercised and other, net336
Balance, December 31, 20211,083,423

(a)Included approximately two million shares of common stock issued to a benefits trust for former Anadarko employees treated as treasury stock as of December 31, 2019. These shares were sold from the trust in the first quarter of 2020.

TREASURY STOCK

The total number of shares authorized for Occidental’s share repurchase program is 185 million shares of which 44.2 million may yet be purchased under the repurchase program. However, the program does not obligate Occidental to acquire any specific number of shares and may be discontinued at any time. In 2021 and 2020, no shares were purchased under the program. In 2019, 2.7 million shares were purchased at an average price of $66.94. Additionally, Occidental purchased shares from the trustee of its defined contribution savings plan in 2021 and 2020. As of December 31, 2021, 2020 and 2019, treasury stock shares numbered 149.3 million, 149.1 million and 150.3 million, respectively.

PREFERRED STOCK

In connection with the Acquisition, Occidental issued 100,000 shares of series A preferred stock, having a face value of $100,000 per share and a liquidation preference of $105,000 per share plus unpaid accrued dividends. In connection with the preferred stock issuance, Occidental also issued the Warrant. The holder of the Warrant and the preferred stock may redeem the preferred stock as payment for the exercise price of the Warrant in lieu of cash payment upon exercise. The preferred stock is redeemable at Occidental’s option after the 10th anniversary of issuance. Dividends on the preferred stock will accrue on the face value at a rate per annum of 8%, but will be paid only when, as and if declared by Occidental’s Board of Directors. At any time, when such dividends have not been paid in full, the unpaid amounts will accrue dividends, compounded quarterly, at a rate per annum of 9%. Following the payment in full of any accrued but unpaid dividends, the dividend rate will remain at 9% per annum. If preferred dividends are not paid in full, Occidental is prohibited from paying dividends on common stock. Occidental paid $200 million in preferred stock dividends in each quarter of 2021.

As of December 31, 2021 and 2020, Occidental had 100,000 shares of preferred stock issued and outstanding, and none were outstanding in 2019.

COMMON STOCK WARRANTS

On June 26, 2020, the Board of Directors declared a distribution of warrants to holders of Occidental common stock, at a rate of 0.125 warrants per share of Occidental common stock (Common Stock Warrants). Occidental issued approximately 116 million Common Stock Warrants on August 3, 2020 to holders of record of outstanding shares of Occidental’s common stock as of the close of business on July 6, 2020, and pursuant to Occidental’s outstanding equity-based incentive awards in connection with anti-dilution adjustments resulting from such distribution. The Common Stock Warrants have an exercise price of $22.00 per share and will expire on August 3, 2027. The Common Stock Warrants are listed on the NYSE and trade under the symbol "OXY WS".

The Common Stock Warrants were measured at fair value on the declaration date using the Black-Scholes option model and were classified as equity in "Additional paid-in capital". The following level 2 inputs were used in the Black-Scholes option model: the expected life of the Common Stock Warrants, a volatility factor and the exercise price. The expected life is based on the estimated term of the Common Stock Warrants, the volatility factor is based on historical

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volatilities of Occidental common stock and the exercise of $22.00 per share of Occidental common stock. As of the declaration date, the fair value of the Common Stock Warrants was determined to be $767 million.

EARNINGS PER SHARE

The following table presents the calculation of basic and diluted EPS for the years ended December 31:

millions except per share amounts202120202019
Income (loss) from continuing operations$2,790$(13,533)$(507)
Loss from discontinued operations(468)(1,298)(15)
Net income (loss)$2,322$(14,831)$(522)
Less: Net income attributable to noncontrolling interest——(145)
Less: Preferred stock dividends(800)(844)(318)
Net income (loss) attributable to common stock$1,522$(15,675)$(985)
Less: Net income allocated to participating securities(10)——
Net income (loss), net of participating securities$1,512$(15,675)$(985)
Weighted-average number of basic shares935.0918.7809.5
Basic earnings (loss) per common share$1.62$(17.06)$(1.22)
Net income (loss), net of participating securities$1,512$(15,675)$(985)
Weighted-average number of basic shares935.0918.7809.5
Dilutive securities23.8——
Total diluted weighted-average common shares958.8918.7809.5
Diluted earnings (loss) per common share$1.58$(17.06)$(1.22)

As of December 31, 2021, warrants and options covering 87 million shares of Occidental common stock were excluded from the diluted shares as their effect would have been anti-dilutive. As of December 31, 2020, warrants and options covering 203 million shares of Occidental common stock were excluded from the diluted shares as their effect would have been anti-dilutive.

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

Accumulated OCI (loss) consisted of the following after-tax amounts as of December 31:

millions20212020
Foreign currency translation adjustments$(8)$(6)
Losses on derivatives(104)(119)
Pension and postretirement adjustments (a)(96)(163)
Total$(208)$(288)

(a)See Note 11 - Retirement and Postretirement Benefit Plans for further information.

NOTE 15 - STOCK-BASED INCENTIVE PLANS

Occidental issues stock-based awards to employees in accordance with the terms of the Plan, as amended and restated. An aggregate of 133 million shares of Occidental common stock were authorized for issuance and approximately 16.0 million shares had been reserved for issuance for employee awards through December 31, 2021. As of December 31, 2021, approximately 68.7 million shares were available for grants of future awards. The plan requires each share covered by an award (other than options) to be counted as if three shares were issued in determining the number of shares that are available for future awards. Accordingly, the number of shares available for future awards may be less than 68.7 million depending on the type of award granted, and shares available for future awards may increase by the number of shares that are forfeited, canceled, or correspond to the portion of any stock-based awards settled in cash, including awards that were issued under a previous plan that remain outstanding. Current outstanding awards include RSUs, stock options, CROCEI awards and TSRI awards.

During 2021, non-employee directors were granted awards for 88,802 shares of common stock. Compensation expense for these awards was measured using the closing quoted market price of Occidental’s common stock on the grant date and was fully recognized at that time.

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Occidental incurred expenses of $287 million, $202 million and $208 million related to stock-based incentive plans in the years ended December 31, 2021, 2020, and 2019, respectively. The income tax benefit associated with this expense was $60 million, $42 million and $43 million in the years ended December 31, 2021, 2020, and 2019, respectively.

As of December 31, 2021, unrecognized compensation expense for all unvested stock-based incentive awards was $225 million. This expense is expected to be recognized over a weighted-average period of 1.7 years. Occidental accounts for forfeitures as they occur.

RESTRICTED STOCK UNITS

Certain employees are awarded the right to receive RSUs, some of which have performance criteria, and are in the form of, or equivalent in value to, actual shares of Occidental common stock. Depending on their terms, RSUs may be settled in stock or may be cash settled liabilities. These awards vest from one to three years following the grant date. For certain RSUs, dividend equivalents are paid during the vesting period (Term).

CASH-SETTLED RSU LIABILITY AWARDS

The weighted-average, grant-date fair values of cash-settled RSUs granted in 2021, 2020 and 2019 were $25.83, $40.86 and $42.62 per share, respectively. Cash-settled RSUs resulted in payments of $4 million, $3 million and $4 million, during the years ended December 31, 2021, 2020 and 2019, respectively.

STOCK-SETTLED RESTRICTED STOCK UNIT EQUITY AWARDS

The weighted-average, grant-date fair values of the stock-settled RSUs granted in 2021, 2020, and 2019 were $25.45, $41.60 and $58.73, respectively. The fair value of RSUs settled in shares during the years ended December 31, 2021, 2020 and 2019 was $70 million, $62 million and $148 million, respectively.

A summary of changes in Occidental’s unvested cash- and stock-settled RSUs during the year ended December 31, 2021, is presented below:

Cash-SettledStock-Settled
thousands, except fair valuesRSUsWeighted-Average Grant-Date Fair ValueRSUsWeighted-Average Grant-Date Fair Value
Unvested as of January 15,457$42.415,856$50.21
Granted190$25.835,773$25.45
Vested (a)(166)$56.36(2,750)$53.27
Forfeitures(106)$40.08(290)$35.07
Unvested as of December 315,375$41.448,589$33.10

(a)Presented at the target payouts. Stock-settled RSU weighted-average payout at vesting was 95% of the target, resulting in the issuance of approximately 2,605,000 shares of Occidental common stock. Cash-settled RSUs do not have performance criteria.

TOTAL SHAREHOLDER RETURN INCENTIVE AWARDS

Certain executives are awarded TSRIs that vest at the end of a three-year period following the grant date. Payout is based upon Occidental’s absolute total shareholder return and performance relative to its peers. TSRIs have payouts that range from 0% to 200% of the target award and settle in stock once certified. Dividend equivalents for TSRIs are accumulated and paid upon certification of the award. The fair value of TSRIs settled in shares during the years ended December 31, 2021, 2020 and 2019 was $4 million, $9 million and $4 million, respectively.

The fair values of TSRIs are initially determined on the grant date using a Monte Carlo simulation model based on Occidental’s assumptions, noted in the following table, and the volatility from corresponding peer group companies. The expected life is based on the Term. The risk-free interest rate is the implied yield available on zero coupon Treasury notes at the time of grant with a remaining term equal to the Term. The dividend yield is the expected annual dividend yield over the Term, expressed as a percentage of the stock price on the grant date. Estimates of fair value may not accurately predict the value ultimately realized by the employees who receive the awards, and the ultimate value may not be indicative of the reasonableness of the original estimates of fair value made by Occidental.

108OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS FOOTNOTES

The grant-date assumptions used in the Monte Carlo simulation models for the estimated payout level of TSRIs were as follows:

TSRIs
202120202019
Assumptions used:
Risk-free interest rate0.2%1.4%2.5%
Volatility factor75%26%22%
Expected life (years)2.8833
Grant-date fair value of underlying Occidental common stock$25.39$41.60$67.19

A summary of changes in Occidental’s unvested TSRIs during the year ended December 31, 2021 is presented below:

TSRIs
thousands, except fair valuesAwardsWeighted-Average Grant-Date Fair Value of Occidental Stock
Unvested as of January 11,534$58.02
Granted665$25.39
Vested (a)(420)$69.87
Forfeitures(10)$25.39
Unvested as of December 311,769$43.12

(a)Presented at the target payouts. The weighted-average payout at vesting was 34% of the target, resulting in the issuance of approximately 145,000 shares of Occidental common stock.

STOCK OPTIONS

Certain employees are granted options that vest over three years, expire on the tenth anniversary of the grant date, and settle in stock. Exercise prices of the options were equal to the quoted market value of Occidental’s stock on the grant date. These options had a grant date fair value of $12.72, as estimated by the Black Scholes model. The inputs to this model are presented below:

Options
2021
Assumptions used:
Risk-free interest rate0.7%
Volatility factor55%
Expected life (years)6.00
Dividend yield0.16%
Grant-date fair value of underlying Occidental common stock$25.39

A summary of Occidental’s outstanding stock options as of December 31, 2021 and changes during the year ended December 31, 2021 is presented below:

VestedUnvested
thousands, except fair valuesOptionsWeighted Average Strike PriceOptionsWeighted Average Strike Price
January 11,326$55.381,900$40.03
Granted—$—440$25.39
Vested910$40.03(910)$40.03
December 312,236$49.131,430$35.52

No options were exercised during the years ended December 31, 2021, 2020 and 2019. As of December 31, 2021, the remaining life of fully vested options was 6.9 years.

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oxy-20211231_g1.jpgFINANCIAL STATEMENTS FOOTNOTES

CASH RETURN ON CAPITAL EMPLOYED INCENTIVE AWARDS

Certain executives are awarded CROCEI awards that vest at the end of a three-year period if performance targets based on CROCE are met. These awards are settled in stock upon certification of the performance target, with payouts that range from 0% to 200% of the target award. Dividend equivalents are accumulated and paid upon certification of the award. A summary of changes in Occidental’s unvested CROCEI during the year ended December 31, 2021 is presented below:

CROCEI
thousands, except fair valuesAwardsWeighted-Average Grant-Date Fair Value of Occidental Stock
Unvested as of January 1197$41.60
Granted221$25.39
Unvested as of December 31418$33.03
NOTE 16 - INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS

Occidental conducts its operations through three segments: (1) oil and gas; (2) chemical; and (3) midstream and marketing. The factors used to identify these segments are based on the nature of the operations that are undertaken in each segment. Income taxes, interest income, interest expense, environmental remediation expenses, Anadarko Acquisition-related costs and unallocated corporate expenses are included under corporate and eliminations. Intersegment sales eliminate upon consolidation and are generally made at prices approximating those that the selling entity would be able to obtain in third-party transactions. Identifiable assets are those assets used in the operations of the segments. Corporate assets consist of cash and restricted cash, certain corporate receivables and PP&E. The chief operating decision maker analyzes each segment’s operating results to make decisions about resources to be allocated to the segment and to assess its performance as well as Occidental’s overall performance.

110OXY 2021 FORM 10-K
oxy-20211231_g1.jpgFINANCIAL STATEMENTS FOOTNOTES
Oil and gasChemicalMidstream and marketingCorporate and eliminationsTotal
Year ended December 31, 2021
Net sales$18,941$5,246$2,863$(1,094)$25,956
Income (loss) from continuing operations before income taxes$4,145(a)$1,544$257(b)$(2,241)(c)$3,705
Income tax expense———(915)(d)(915)
Income (loss) from continuing operations$4,145$1,544$257$(3,156)$2,790
Investments in unconsolidated entities$154$608$2,176$—$2,938
Property, plant and equipment additions (e)$2,458$316$107$50$2,931
Depreciation, depletion and amortization$7,741$343$325$38$8,447
Total assets$56,132$4,671$11,132$3,101$75,036
Year ended December 31, 2020
Net sales$13,066$3,733$1,768$(758)$17,809
Income (loss) from continuing operations before income taxes$(9,632)(a)$664$(4,175)(b)$(2,562)(c)$(15,705)
Income tax benefit———2,172(d)2,172
Income (loss) from continuing operations$(9,632)$664$(4,175)$(390)$(13,533)
Investments in unconsolidated entities$168$645$2,437$—$3,250
Property, plant and equipment additions (e)$2,279$261$50$29$2,619
Depreciation, depletion and amortization$7,414$356$312$15$8,097
Total assets$62,931$4,326$9,856$2,951$80,064
Year ended December 31, 2019
Net sales$13,941$4,102$4,132$(1,264)$20,911
Income (loss) from continuing operations before income taxes$2,520(a)$799$241(b)$(3,206)(c)$354
Income tax expense———(861)(d)(861)
Income (loss) from continuing operations$2,520$799$241$(4,067)$(507)
Investments in unconsolidated entities$181$689$5,519$—$6,389
Property, plant and equipment additions (e)$5,571$272$475$135$6,453
Depreciation, depletion and amortization$5,153$368$563$56$6,140
Total assets$80,093$4,361$14,915$7,821$107,190

(a)The 2021 amount included $282 million of asset impairments and $280 million of net oil, gas and CO2 derivative losses. The 2020 amount included $7.1 billion related to asset impairments and net asset sale losses of $1.6 billion, partially offset by a $1.1 billion gain on the oil and gas collars and calls. The 2019 amount included a net gain on sale of $475 million related to Occidental’s joint venture with Ecopetrol in the Midland Basin and sale of real estate assets, a $285 million impairment charge associated with domestic undeveloped leases that were set to expire in the near-term, where Occidental had no plans to pursue exploration activities and a $39 million charge related to Occidental’s mutually agreed early termination of its Qatar ISSD contract.

(b)The 2021 amount included $252 million in derivative mark-to-market losses and $124 million of gains on sales, primarily from the sale of 11.5 million limit partner units in WES. The 2020 amount included $2.7 billion of other-than-temporary impairment of WES equity investment and $1.4 billion of impairments related to the write-off of goodwill and a $236 million loss from an equity investment related to WES' write-off of its goodwill. The 2019 amount included a $1 billion charge as a result of recording Occidental’s investment in WES at fair value as of December 31, 2019 upon the loss of control, a $114 million gain on the sale of an equity investment in Plains and a $30 million mark-to-market gain on an interest rate swap for WES.

(c)The 2021 amount included $153 million of Anadarko acquisition-related costs, $122 million net derivative mark-to-market gains on interest rate swaps and $118 million of early debt extinguishment expenses. The 2020 amount included $339 million in expenses related to Anadarko Acquisition-related costs and a $428 million loss on interest rate swaps. The 2019 amount included corporate transactions related to the Acquisition including charges of $1.0 billion related to employee severance and related costs, $401 million related to crucial seismic data and $213 million for bank, legal and consulting fees. The tax effect of these pre-tax adjustments was a $0.2 billion benefit in 2021, a $1.9 billion benefit in 2020, and a $245 million benefit in 2019.

(d)Included all foreign and domestic income taxes from continuing operations.

(e)Included capital expenditures and capitalized interest, but excluded acquisition and disposition of assets.

OXY 2021 FORM 10-K111
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GEOGRAPHIC AREAS

millionsProperty, plant and equipment, net
For the years ended December 31,202120202019
United States$53,197$59,016$72,808
International
UAE3,6453,7373,886
Oman2,0551,9012,115
Algeria4966641,761
Colombia——1,010
Qatar468510563
Other International696187
Total International6,7336,8739,422
Total$59,930$65,889$82,230
112OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

Supplemental Oil and Gas Information

OIL AND GAS RESERVES

The following tables set forth Occidental’s net interests in quantities of proved developed and undeveloped reserves of oil, NGL and natural gas and changes in such quantities. Proved oil, NGL and natural gas reserves were estimated using the unweighted arithmetic average of the first-day-of-the-month price for each month within the year, unless prices were defined by contractual arrangements. Oil, NGL and natural gas prices used for this purpose were based on posted benchmark prices and adjusted for price differentials including gravity, quality and transportation costs. The following table shows the pricing used in the reserve analysis for the periods presented:

202120202019
Average WTI Oil ($/Bbl)$66.56$39.57$55.69
Average Brent Oil ($/Bbl)$69.24$43.41$63.03
Average Henry Hub Natural Gas ($/MMbtu)$3.60$1.98$2.58
Average Mt. Belvieu NGL ($/Bbl) (a)$44.22$18.74N/A

(a) Mt. Belvieu pricing was added as an NGL benchmark beginning in 2020. Prior to 2020, WTI Oil was used as a benchmark for NGL.

Reserves are stated net of applicable royalties. Estimated reserves include Occidental’s economic interests under PSCs and other similar economic arrangements. In addition, discussions of oil and gas production or volumes, in general, refer to sales volumes unless the context requires or it is indicated otherwise.

Prices for oil, NGL and natural gas fluctuate widely. Historically, the markets for oil, NGL and natural gas and refined products have been volatile and may continue to be volatile in the future. Prolonged declines in oil, NGL and natural gas prices would reduce Occidental’s operating results and cash flows and could impact its future rate of growth and the recoverability of the carrying value of its assets.

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oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

OIL RESERVES (a)

MMbblUnited StatesInternational (b)Total
PROVED DEVELOPED AND UNDEVELOPED RESERVES
Balance as of December 31, 20181,1863971,583
Revisions of previous estimates(154)11(143)
Improved recovery12837165
Extensions and discoveries37441
Purchases of proved reserves54584629
Sales of proved reserves(17)—(17)
Production(155)(64)(219)
Balance as of December 31, 20191,5704692,039
Revisions of previous estimates(283)(1)(284)
Improved recovery8218100
Extensions and discoveries9514
Purchases of proved reserves2—2
Sales of proved reserves(31)(101)(132)
Production(205)(59)(264)
Balance as of December 31, 20201,1443311,475
Revisions of previous estimates (c)3824386
Improved recovery61319
Extensions and discoveries88189
Purchases of proved reserves33—33
Sales of proved reserves(5)—(5)
Production(182)(44)(226)
Balance as of December 31, 20211,4663051,771
PROVED DEVELOPED RESERVES
December 31, 20188433171,160
December 31, 20191,2063711,577
December 31, 20209172511,168
December 31, 2021 (d)1,1402261,366
PROVED UNDEVELOPED RESERVES
December 31, 201834380423
December 31, 201936498462
December 31, 202022780307
December 31, 202132679405

(a)Excluded reserve amounts related to discontinued operations and held for sale assets in 2020 and 2019. Proved reserves for held for sale assets as of December 31, 2021 were immaterial.

(b)For 2021, included Middle East and North Africa. For 2020, 2019 and 2018, also included Latin America, which primarily consisted of Colombia, which was sold in 2020. Total proved oil reserves for Latin America were 101 MMboe and 96 MMboe as of December 31, 2019 and 2018, respectively.

(c)Revisions of previous estimates in 2021 included the effects of price revisions, new infill drilling and other updates, including changes in reservoir performance, economic conditions, and development plans. Positive price revisions of 235 MMboe were primarily in the Permian Basin (230 MMboe) and the DJ Basin (11 MMboe), partially offset by negative price revisions of 24 MMboe related to PSCs. Another 92 MMboe in positive revisions were related to additions associated with infill development projects, primarily in the Permian Basin (57 MMboe) and the DJ Basin (24 MMboe). Further positive revisions of 34 MMboe were associated with updates based on reservoir performance, various other cost related revisions (16 MMboe), and changes in development plans (8 MMboe).

(d)Approximately 9% of the proved developed reserves as of December 31, 2021, were nonproducing, primarily associated with the Permian Basin and Oman.

114OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

NGL RESERVES (a)

MMbblUnited StatesInternational (b)Total
PROVED DEVELOPED AND UNDEVELOPED RESERVES
Balance as of December 31, 2018284202486
Revisions of previous estimates(21)9(12)
Improved recovery58—58
Extensions and discoveries11—11
Purchases of proved reserves26710277
Sales of proved reserves(7)—(7)
Production(52)(13)(65)
Balance as of December 31, 2019540208748
Revisions of previous estimates(90)10(80)
Improved recovery321042
Extensions and discoveries2—2
Purchases of proved reserves1—1
Sales of proved reserves(20)—(20)
Production(81)(13)(94)
Balance as of December 31, 2020384215599
Revisions of previous estimates (c)227(1)226
Improved recovery———
Extensions and discoveries27—27
Purchases of proved reserves7—7
Sales of proved reserves(2)—(2)
Production(79)(12)(91)
Balance as of December 31, 2021564202766
PROVED DEVELOPED RESERVES
December 31, 2018196145341
December 31, 2019406147553
December 31, 2020314138452
December 31, 2021 (d)433125558
PROVED UNDEVELOPED RESERVES
December 31, 20188857145
December 31, 201913461195
December 31, 20207077147
December 31, 202113177208

(a)Excluded reserve amounts related to discontinued operations and held for sale assets in 2020 and 2019. Proved reserves for held for sale assets as of December 31, 2021 were immaterial.

(b)Included Middle East and North Africa.

(c)Revisions of previous estimates in 2021 included the effects of price revisions, new infill drilling and other updates, including changes in reservoir performance, economic conditions and development plans. Positive price revisions of 97 MMbbl were primarily in the Permian Basin (80 MMbbl) and the DJ Basin (17 MMbbl). Another 54 MMbbl in positive revisions were related to additions associated with infill development projects, primarily in the DJ Basin (28 MMbbl) and the Permian Basin (25 MMbbl). Further positive revisions of 47 MMbbl were associated with updates based on reservoir performance, various other cost related revisions (19 MMbbl), and changes in development plans (10 MMbbl).

(d)Approximately 4% of the proved developed reserves as of December 31, 2021, were nonproducing, primarily associated with the Permian Basin.

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oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

NATURAL GAS RESERVES (a)

BcfUnited StatesInternational (b)Total
PROVED DEVELOPED AND UNDEVELOPED RESERVES
Balance as of December 31, 20181,4452,6504,095
Revisions of previous estimates(409)89(320)
Improved recovery39332425
Extensions and discoveries59564
Purchases of proved reserves2,996—2,996
Sales of proved reserves(30)—(30)
Production(326)(204)(530)
Balance as of December 31, 20194,1282,5726,700
Revisions of previous estimates(823)102(721)
Improved recovery183103286
Extensions and discoveries38—38
Purchases of proved reserves4—4
Sales of proved reserves(523)(9)(532)
Production(561)(195)(756)
Balance as of December 31, 20202,4462,5735,019
Revisions of previous estimates (c)1,274271,301
Improved recovery336
Extensions and discoveries176—176
Purchases of proved reserves22—22
Sales of proved reserves(25)—(25)
Production(477)(172)(649)
Balance as of December 31, 20213,4192,4315,850
PROVED DEVELOPED RESERVES
December 31, 20189782,0263,004
December 31, 20193,1982,0075,205
December 31, 20202,0281,8463,874
December 31, 2021 (d)2,6321,7054,337
PROVED UNDEVELOPED RESERVES
December 31, 20184676241,091
December 31, 20199305651,495
December 31, 20204187271,145
December 31, 20217877261,513

(a)Excluded reserve amounts related to discontinued operations and held for sale assets in 2020 and 2019. Proved reserves for held for sale assets as of December 31, 2021 were immaterial.

(b)For 2021, included Middle East, North Africa and Latin America. For 2020, 2019 and 2018, Latin America also included Colombia which was sold in 2020. Total proved natural gas reserves for Latin America were 12 Bcf and 11 Bcf as of December 31, 2019 and 2018, respectively.

(c)Revisions of previous estimates in 2021 included the effects of price revisions, new infill drilling and other updates, including changes in reservoir performance, economic conditions and development plans. Positive price revisions of 533 Bcf were primarily in the Permian Basin (420 Bcf) and the DJ Basin (140 Bcf), partially offset by negative price revisions of 51 Bcf related to PSCs. Another 371 Bcf in positive revisions were related to additions associated with infill development projects, primarily in the DJ Basin (229 Bcf) and the Permian Basin (126 Bcf). Further positive revisions were associated with changes in development plans (146 Bcf), various other cost related revisions (135 Bcf), and updates based on reservoir performance (114 Bcf).

(d)Approximately 2% of the proved developed reserves as of December 31, 2021, were nonproducing, primarily associated with the Permian Basin, DJ Basin and Oman.

116OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

TOTAL RESERVES (a)

MMboe (b)United StatesInternational (c)Total
PROVED DEVELOPED AND UNDEVELOPED RESERVES
Balance as of December 31, 20181,7111,0412,752
Revisions of previous estimates(243)35(208)
Improved recovery25142293
Extensions and discoveries58563
Purchases of proved reserves1,311941,405
Sales of proved reserves(29)—(29)
Production(261)(111)(372)
Balance as of December 31, 20192,7981,1063,904
Revisions of previous estimates(510)26(484)
Improved recovery14545190
Extensions and discoveries17522
Purchases of proved reserves4—4
Sales of proved reserves(138)(103)(241)
Production(380)(104)(484)
Balance as of December 31, 20201,9369752,911
Revisions of previous estimates (d)8218829
Improved recovery71320
Extensions and discoveries1441145
Purchases of proved reserves44—44
Sales of proved reserves(11)—(11)
Production(341)(85)(426)
Balance as of December 31, 20212,6009123,512
PROVED DEVELOPED RESERVES
December 31, 20181,2028002,002
December 31, 20192,1458532,998
December 31, 20201,5696972,266
December 31, 2021 (e)2,0126352,647
PROVED UNDEVELOPED RESERVES
December 31, 2018509241750
December 31, 2019653253906
December 31, 2020367278645
December 31, 2021588277865

(a)Excluded reserve amounts related to discontinued operations and held for sale assets in 2020 and 2019. Proved reserves for held for sale assets as of December 31, 2021 were immaterial.

(b)Natural gas volumes have been converted to Boe based on an energy content of six Mcf of gas to one barrel of oil. Conversion to Boe does not necessarily result in price equivalency.

(c)For 2021, included Middle East, North Africa and Latin America. For 2020, 2019 and 2018, Latin America also included Colombia which was sold in 2020. Total proved reserves for Latin America were 103 MMboe and 98 MMboe and as of December 31, 2019 and 2018, respectively.

(d)Revisions of previous estimates in 2021 included the effects of price revisions, new infill drilling and other updates, including changes in reservoir performance, economic conditions and development plans. Positive price revisions of 421 MMboe were primarily in the Permian Basin (380 MMboe) and the DJ Basin (51 MMboe), partially offset by negative price revisions of 35 MMboe related to PSCs. Another 208 MMboe in positive revisions were related to additions associated with infill development projects, primarily in the Permian Basin (103 MMboe) and the DJ Basin (90 MMboe). Further positive revisions were associated with updates based on reservoir performance (101 MMboe), various other cost related revisions (57 MMboe), and changes in development plans (42 MMboe).

(e)Approximately 6% of the proved developed reserves as of December 31, 2021, were nonproducing, primarily associated with the Permian Basin, Oman and Gulf of Mexico.

OXY 2021 FORM 10-K117
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

CAPITALIZED COSTS

Capitalized costs relating to oil and gas producing activities and related accumulated DD&A were as follows:

millionsUnited StatesInternational (a)Total
December 31, 2021
Proved properties$66,443$15,232$81,675
Unproved properties19,42315319,576
Total capitalized costs (b)85,86615,385101,251
Proved properties depreciation, depletion and amortization(32,355)(11,821)(44,176)
Unproved properties valuation(4,789)(27)(4,816)
Total Accumulated depreciation, depletion and amortization(37,144)(11,848)(48,992)
Net capitalized costs$48,722$3,537$52,259
December 31, 2020
Proved properties$63,988$14,548$78,536
Unproved properties23,71320523,918
Total capitalized costs (b,c)87,70114,753102,454
Proved properties depreciation, depletion and amortization(27,914)(11,140)(39,054)
Unproved properties valuation(5,285)(27)(5,312)
Total Accumulated depreciation, depletion and amortization(33,199)(11,167)(44,366)
Net capitalized costs$54,502$3,586$58,088
December 31, 2019
Proved properties$59,658$17,374$77,032
Unproved properties30,30146830,769
Total capitalized costs (b,c,d)89,95917,842107,801
Proved properties depreciation, depletion and amortization(20,961)(11,655)(32,616)
Unproved properties valuation(1,025)(197)(1,222)
Total Accumulated depreciation, depletion and amortization(21,986)(11,852)(33,838)
Net capitalized costs$67,973$5,990$73,963

(a)For 2021, included Middle East, North Africa and Latin America. For 2020 and 2019, Latin America also included Colombia, which was sold in 2020. For the year ended December 31, 2019, Latin America had total net capitalized costs of $1.0 billion.

(b)Included acquisition costs, development costs, capitalized interest and AROs.

(c)Excluded capitalized costs related to Ghana, which was presented as held for sale as of December 31, 2020 and 2019. Excluded capitalized costs related to South Africa, which was presented as held for sale as of December 31, 2019.

(d)$50.3 billion of capitalized costs are associated with the Acquisition.

118OXY 2021 FORM 10-K
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COSTS INCURRED

Costs incurred in oil and gas property acquisition, exploration and development activities, whether capitalized or expensed, were as follows:

millionsUnited StatesInternational (a)Total
December 31, 2021 (b)
Property acquisition costs
Proved properties$378$1$379
Unproved properties51—51
Exploration costs147143290
Development costs1,7493662,115
Costs incurred$2,325$510$2,835
December 31, 2020 (b)
Property acquisition costs
Proved properties$7$35$42
Unproved properties412465
Exploration costs11795212
Development costs1,3764661,842
Costs incurred$1,541$620$2,161
December 31, 2019 (b)
Property acquisition costs
Proved properties$19,567$1,915$21,482
Unproved properties29,0421229,054
Exploration costs307200507
Development costs4,4497715,220
Costs incurred$53,365$2,898$56,263

(a)For 2021, included Middle East, North Africa and Latin America. For 2020 and 2019, Latin America also included Colombia, which was sold in 2020. For the years ended December 31, 2020 and 2019, Latin America incurred costs of $97 million and $261 million, respectively.

(b)Excluded costs incurred related to the Mozambique (sold 2019), South Africa (sold 2020) and Ghana (sold 2021) assets.

OXY 2021 FORM 10-K119
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RESULTS OF OPERATIONS

Occidental’s oil and gas producing activities for continuing operations, which exclude items such as asset divestitures, corporate overhead, interest and royalties, were as follows:

millionsUnited StatesInternational (a)Total
FOR THE YEAR ENDED DECEMBER 31, 2021
Revenues (b)$15,817$3,462$19,279
Lease operating costs2,3418833,224
Transportation costs1,306651,371
Other operating expenses8961761,072
Depreciation, depletion and amortization7,0536877,740
Taxes other than on income785209994
Exploration expenses15894252
Oil and gas mark-to-market - Collars and CO2280—280
Pretax income (loss) before impairments and other charges2,9981,3484,346
Asset impairments and other charges282—282
Pretax income (loss)2,7161,3484,064
Income tax expense (benefit) (c)5086561,164
Results of operations$2,208$692$2,900
FOR THE YEAR ENDED DECEMBER 31, 2020
Revenues (b)$9,058$2,947$12,005
Lease operating costs2,1699213,090
Transportation costs1,425721,497
Other operating expenses9602211,181
Depreciation, depletion and amortization6,6118037,414
Taxes other than on income503111614
Exploration expenses6864132
Oil and gas mark-to-market - Collars and CO2(1,089)—(1,089)
Pretax income (loss) before impairments and other charges(1,589)755(834)
Asset impairments and other charges5,9731,2087,181
Pretax income (loss)(7,562)(453)(8,015)
Income tax expense (benefit) (c)(1,663)428(1,235)
Results of operations$(5,899)$(881)$(6,780)
FOR THE YEAR ENDED DECEMBER 31, 2019
Revenues (b)$9,497$4,556$14,053
Lease operating costs2,2711,1033,374
Transportation costs64797744
Other operating expenses1,1252581,383
Depreciation, depletion and amortization4,1131,0405,153
Taxes other than on income651141792
Exploration expenses99148247
Oil and gas mark-to-market - CO215—15
Pretax income before impairments and other charges5761,7692,345
Asset impairments and other charges28839327
Pretax income2881,7302,018
Income tax expense (c)749371,011
Results of operations$214$793$1,007

(a)For 2021, included Middle East, North Africa and Latin America. For 2020 and 2019, Latin America also included Colombia, which was sold in 2020. For the years ended December 31, 2020 and 2019, Latin America’s results of operations were $56 million and $161 million, respectively. Results of operations excluded discontinued operations related to the Mozambique (sold 2019), South Africa (sold 2020) and Ghana (sold 2021) assets.

(b)Revenues are net of royalty payments.

(c)U.S. federal income taxes reflect certain expenses related to oil and gas activities allocated for U.S. income tax purposes. These amounts are computed using the statutory rate in effect during the period.

120OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

RESULTS PER UNIT OF PRODUCTION FOR CONTINUING OPERATIONS

$/Boe (a)United StatesInternational (b)Total
FOR THE YEAR ENDED DECEMBER 31, 2021
Revenues (c)$46.42$40.82$45.31
Lease operating costs6.8710.417.58
Transportation costs3.830.763.22
Other operating expenses2.632.082.52
Depreciation, depletion and amortization20.708.1018.19
Taxes other than on income2.302.472.34
Exploration expenses0.461.100.59
Oil and gas mark-to-market - Collars and CO20.82—0.66
Pretax income (loss) before impairments and other charges8.8115.9010.21
Asset impairments and other charges0.83—0.66
Pretax income (loss)7.9815.909.55
Income tax expense (d)1.497.732.73
Results of operations$6.49$8.17$6.82
FOR THE YEAR ENDED DECEMBER 31, 2020
Revenues (c)$23.86$28.15$24.79
Lease operating costs5.718.806.38
Transportation costs3.750.693.09
Other operating expenses2.532.112.44
Depreciation, depletion and amortization17.417.6715.31
Taxes other than on income1.321.061.27
Exploration expenses0.180.610.27
Oil and gas mark-to-market - CO2(2.87)—(2.25)
Pretax income (loss) before impairments and other charges(4.17)7.21(1.72)
Asset impairments and other charges15.7311.5414.83
Pretax income (loss)(19.90)(4.33)(16.55)
Income tax expense (benefit) (d)(4.38)4.09(2.55)
Results of operations$(15.52)$(8.42)$(14.00)
FOR THE YEAR ENDED DECEMBER 31, 2019
Revenues (c)$36.43$40.94$37.78
Lease operating costs8.719.919.07
Transportation costs2.480.872.00
Other operating expenses4.322.323.72
Depreciation, depletion and amortization15.789.3513.85
Taxes other than on income2.501.272.13
Exploration expenses0.381.330.66
Oil and gas mark-to-market - CO20.06—0.04
Pretax income before impairments and other charges2.2015.896.31
Asset impairments and other charges1.110.350.88
Pretax income (loss)1.0915.545.43
Income tax expense (d)0.298.422.72
Results of operations$0.80$7.12$2.71

(a)Natural gas volumes have been converted to Boe based on energy content of six Mcf of gas to one barrel of oil.

(b)For 2021, included Middle East, North Africa and Latin America. For 2020 and 2019, Latin America also included Colombia, which was sold in 2020. For the years ended December 31, 2020 and 2019, Latin America’s results of operations per unit of production were $4.62 per Boe and $12.99 per Boe, respectively. Results of operations excluded discontinued operations related to the Mozambique (sold 2019), South Africa (sold 2020) and Ghana (sold 2021) assets.

(c)Revenues are net of royalty payments.

(d)U.S. federal income taxes reflect certain expenses related to oil and gas activities allocated for U.S. income tax purposes. These amounts are computed using the statutory rate in effect during the period.

OXY 2021 FORM 10-K121
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

STANDARDIZED MEASURE, INCLUDING YEAR-TO-YEAR CHANGES THEREIN, OF DISCOUNTED FUTURE NET CASH FLOWS

For purposes of the following disclosures, future cash flows were computed by applying to Occidental’s proved oil and gas reserves the unweighted arithmetic average of the first-day-of-the-month price for each month within the years ended December 31, 2021, 2020 and 2019, respectively, unless prices were defined by contractual arrangements, and exclude escalations based upon future conditions. The realized prices used to calculate future cash flows vary by producing area and market conditions. Future operating and capital costs were forecast using the current cost environment applied to expectations of future operating and development activities to develop and produce proved reserves at year end.

Future income tax expenses were computed by applying, generally, year-end statutory tax rates (adjusted for permanent differences, tax credits, allowances and foreign income repatriation considerations) to the estimated net future pre-tax cash flows. The discount was computed by application of a 10% discount factor. The calculations assumed the continuation of existing economic, operating and contractual conditions as of December 31, 2021, 2020 and 2019. Such assumptions, which are required by regulation, have not always proven accurate in the past. Other valid assumptions would give rise to substantially different results.

STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS

millionsUnited StatesInternational (a)Total
Balance as of December 31, 2021
Future cash inflows$116,014$28,865$144,879
Future costs
Production costs and other operating(47,803)(9,284)(57,087)
Development costs (b)(12,186)(3,004)(15,190)
Future income tax expense(9,875)(3,544)(13,419)
Future net cash flows46,15013,03359,183
10% discount factor(19,538)(5,821)(25,359)
Standardized measure of discounted future net cash flows$26,612$7,212$33,824
Balance as of December 31, 2020
Future cash inflows$49,050$21,270$70,320
Future costs
Production costs and other operating(29,147)(8,304)(37,451)
Development costs (b)(9,103)(2,410)(11,513)
Future income tax expense(19)(2,088)(2,107)
Future net cash flows10,7818,46819,249
10% discount factor(3,827)(4,071)(7,898)
Standardized measure of discounted future net cash flows$6,954$4,397$11,351
Balance as of December 31, 2019
Future cash inflows$97,293$39,061$136,354
Future costs
Production costs and other operating(47,685)(14,142)(61,827)
Development costs (b)(13,137)(3,272)(16,409)
Future income tax expense(4,097)(4,529)(8,626)
Future net cash flows32,37417,11849,492
10% discount factor(12,427)(7,836)(20,263)
Standardized measure of discounted future net cash flows$19,947$9,282$29,229

(a)For 2021, included Middle East, North Africa and Latin America. For 2020 and 2019, Latin America also included Colombia, which was sold in 2020. For the years ended December 31, 2020 and 2019, the standardized measure of discounted future net cash flows for Latin America were outflows of $6 million and inflows of $1.0 billion, respectively. Excluded discontinued operations related to Ghana (sold 2021).

(b)Included ARO costs.

122OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

CHANGES IN THE STANDARDIZED MEASURE OF DISCOUNTED FUTURE NET CASH FLOWS FROM PROVED RESERVE QUANTITIES (a)

millions202120202019
Balance as of January 1$11,351$29,229$23,461
Sales and transfers of oil and gas produced, net of production costs and other operating expenses(13,983)(6,483)(9,207)
Net change in prices received per barrel, net of production costs and other operating expenses32,464(19,738)(6,506)
Extensions, discoveries and improved recovery, net of future production and development costs2,4121,0072,607
Change in estimated future development costs(376)1,686(1,666)
Revisions of quantity estimates10,296(1,989)(2,172)
Previously estimated development costs incurred during the period1,2771,6803,304
Accretion of discount1,0092,5412,381
Net change in income taxes(6,249)3,2123,285
Purchases and sales of reserves in place, net377(651)11,229
Changes in production rates and other(4,754)8572,513
Net change22,473(17,878)5,768
Balance as of December 31$33,824$11,351$29,229

(a) Excluded results from discontinued operations.

AVERAGE SALES PRICE

The following table sets forth, for each year in the three-year period ended December 31, 2021, Occidental’s approximate average sales prices for ongoing operations:

United StatesInternational (a)Total
2021
Oil ($/Bbl)$66.39$65.08$66.14
NGL ($/Bbl)$30.62$26.13$30.01
Gas ($/Mcf)$3.30$1.69$2.87
2020
Oil ($/Bbl)$36.39$41.50$37.34
NGL ($/Bbl)$11.98$16.22$12.58
Gas ($/Mcf)$1.18$1.67$1.31
2019
Oil ($/Bbl)$54.31$62.00$56.26
NGL ($/Bbl)$16.03$21.85$17.20
Gas ($/Mcf)$1.31$1.66$1.45

(a)Included Middle East, North Africa and Latin America. 2020 and 2019 average realized prices have been adjusted to reflect the exclusion of Colombia, which was sold in 2020.

OXY 2021 FORM 10-K123
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

NET PRODUCTIVE AND DRY— EXPLORATORY AND DEVELOPMENT WELLS COMPLETED

The following table sets forth, for each year in the three-year period ended December 31, 2021, Occidental’s net productive and dry exploratory and development wells completed:

United StatesInternational (a)Total
2021
Oil
Exploratory6410
Development29242334
Gas
Exploratory—11
Development4—4
Dry
Exploratory426
Development1—1
2020
Oil
Exploratory729
Development24081321
Gas
Exploratory—22
Development617
Dry
Exploratory—11
Development———
2019
Oil
Exploratory22729
Development422197619
Gas
Exploratory—77
Development224
Dry
Exploratory1910
Development—11

(a)Included Middle East, North Africa and Latin America.

124OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

PRODUCTIVE OIL AND GAS WELLS

The following table sets forth, as of December 31, 2021, Occidental’s productive oil and gas wells (both producing and capable of production):

United StatesInternational (b)Total
Oil (a)
Gross (c)19,050(984)2,808—21,858(984)
Net (d)15,816(886)1,238(34)17,054(920)
Gas (a)
Gross (c)4,414(1,938)159(2)4,573(1,940)
Net (d)3,188(1,774)92(4)3,280(1,778)

(a)The numbers in parentheses indicate the number of wells with multiple completions.

(b)Included Middle East and North Africa.

(c)The total number of wells in which interests are owned.

(d)The sum of fractional interests.

PARTICIPATION IN WELLS BEING DRILLED OR PENDING COMPLETION

The following table sets forth, as of December 31, 2021, Occidental’s participation in exploratory and development wells being drilled:

United StatesInternational (a)Total
Exploratory and development wells being drilled
Gross71724
Net51318
Exploratory and development wells pending completion (b)
Gross86389
Net63164

(a)Included Middle East, North Africa and Latin America.

(b)Wells suspended or waiting on completion include exploration and development wells where drilling has occurred, but the wells are awaiting the completion of hydraulic fracturing or other completion activities or the resumption of drilling in the future. There were 17 MMboe of PUD reserves primarily assigned to U.S. onshore development wells suspended or waiting on completion as of December 31, 2021. Occidental expects to convert all of these PUD reserves to developed status within five years of their initial disclosure.

As of December 31, 2021, Occidental was participating in 167 and 42 gross pressure-maintenance projects in the United States and Internationally, respectively. In the United States, these projects primarily consisted of waterfloods with some CO2 floods, and in the Middle East and North Africa, these projects consisted mostly of waterfloods.

OXY 2021 FORM 10-K125
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

OIL AND GAS ACREAGE

The following table sets forth, as of December 31, 2021, Occidental’s holdings of developed and undeveloped oil and gas acreage:

thousandsUnited StatesInternational (a)Total
Developed (b)
Gross (c)6,4091,1397,548
Net (d)4,0073794,386
Undeveloped (e)
Gross (c)1,2238,4449,667
Net (d)8777,0467,923
Fee Mineral Ownership (f)
Gross (c)8,034—8,034
Net (d)4,568—4,568

(a)Included Middle East, North Africa and Latin America.

(b)Acres spaced or assigned to productive wells.

(c)Total acres in which interests are held.

(d)Sum of the fractional interests owned based on working interests, or interests under PSCs and other economic arrangements.

(e)Acres on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas, regardless of whether the acreage contains proved reserves.

(f)Occidental’s fee mineral acreage is primarily undeveloped.

Occidental’s investment in developed and undeveloped acreage comprises numerous concessions, blocks and leases. Work programs are designed to ensure that the exploration potential of any property is fully evaluated before the contractual expiration date. In some instances, Occidental may elect to relinquish acreage in advance of the contractual expiration date if the evaluation process is complete and there is not a business basis for extension. In cases where additional time may be required to fully evaluate acreage, Occidental has generally been successful in obtaining extensions. Scheduled lease and concession expirations for undeveloped acreage over the next three years are not expected to have a material adverse impact on Occidental.

126OXY 2021 FORM 10-K
oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)

OIL, NGL AND NATURAL GAS SALES VOLUMES PER DAY

The following tables set forth the sales volumes from ongoing operations of oil, NGL and natural gas per day for each of the three years in the period ended December 31, 2021. The differences between the sales and production volumes per day are negligible and are generally due to the timing of shipments at Occidental’s international locations where product is loaded onto tankers. Natural gas volumes have been converted to Boe based on energy content of six Mcf of gas to one barrel of oil.

Sales per Day from Ongoing Operations (Mboe/d)202120202019
United States
Permian487575509
Rockies & Other Domestic302332147
Gulf of Mexico14413058
Total9331,037714
International
Algeria and Other International434625
Al Hosn Gas767882
Dolphin404542
Oman748589
Total233254238
Total Sales from Ongoing Operations (Mboe/d)1,1661,291952
Operations exited or exiting186077
Total Sales (Mboe/d)1,1841,3511,029
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oxy-20211231_g1.jpgSupplemental Oil and Gas Information (Unaudited)
Sales per Day by Products from Ongoing Operations202120202019
United States
Oil (Mbbl)
Permian286343324
Rockies & Other Domestic9310953
Gulf of Mexico11910948
Total498561425
NGL (Mbbl)
Permian110129104
Rockies & Other Domestic978332
Gulf of Mexico1094
Total217221140
Natural gas (MMcf)
Permian548620486
Rockies & Other Domestic676838373
Gulf of Mexico847134
Total1,3081,529893
International
Oil (Mbbl)
Algeria and Other International394222
Al Hosn Gas131414
Dolphin777
Oman616566
Total120128109
NGL (Mbbl)
Algeria and Other International332
Al Hosn Gas232526
Dolphin898
Total343736
Natural gas (MMcf)
Algeria and Other International667
Al Hosn Gas234238251
Dolphin151171161
Oman80120138
Total471535557
Total Sales from Ongoing Operations (Mboe/d)1,1661,291952
128OXY 2021 FORM 10-K
Schedule II – Valuation and Qualifying AccountsOccidental Petroleum Corporation and Subsidiaries
Additions
millionsBalance at Beginning of PeriodCharged to Costs and ExpensesCharged to Other AccountsDeductions (a)Balance at End of Period
2021
Allowance for doubtful accounts$822$56$(11)$—$867(b)
Environmental, litigation, tax and other reserves$2,429$900$94$(259)$3,164(c)
2020
Allowance for doubtful accounts$788$37$(3)$—$822(b)
Environmental, litigation, tax and other reserves$2,411$115$43$(140)$2,429(c)
2019
Allowance for doubtful accounts$668$126$(6)$—$788(b)
Environmental, litigation, tax and other reserves$994$182$1,408$(173)$2,411(c)

(a)Primarily represents payments.

(b)Of these amounts, $46 million, $42 million and $22 million in 2021, 2020, and 2019, respectively, were classified as current.

(c)Of these amounts, $790 million, $149 million and $188 million in 2021, 2020, and 2019, respectively, were classified as current.

Note: The amounts presented represent continuing operations.

OXY 2021 FORM 10-K129

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