Item 15. Exhibits and Financial Statement Schedules

**(a)**The following documents are filed as part of this report:

(1) Financial Statements:


			Page(s)
Report of Independent Registered Public Accounting Firm — PricewaterhouseCoopers LLP			56
Consolidated Statement of Income for the three years ended December 31, 20 20			59
Consolidated Statement of Comprehensive Income for the three years ended December 31, 20 20			60
Consolidated Balance Sheet at December 31, 20 20 and 2019			61
Consolidated Statement of Cash Flows for the three years ended December 31, 20 20			62
Consolidated Statement of Equity for the three years ended December 31, 20 20			63
Notes to the Consolidated Financial Statements			64 to 97

(2) Financial Statement Schedules:

Included below is Schedule II - Valuation and Qualifying Accounts for each of the three years in the period ended December 31, 2020.

(3) Exhibits:

The Exhibit Index on the following pages lists the exhibits that are filed as part of this report.

Schedule II — Valuation and Qualifying Accounts


	Year ended December 31
Millions of Dollars	2020		2019		2018
Employee Termination Benefits
Balance at January 1	$	7	$	19	$	62
Additions (reductions) charged to expense	859		6		5
Payments	(396)		(18)		(48)
Balance at December 31	$	470	$	7	$	19
Expected Credit Losses
Beginning allowance balance for expected credit losses	$	849	$	980	$	606
Current period provision	573		(128)		379

Write-offs charged against the allowance, if any	(751)		(3)		(5)
Recoveries of amounts previously written-off, if any	—		—		—
Balance at December 31	$	671	$	849	$	980
Deferred Income Tax Valuation Allowance1
Balance at January 1	$	15,965	$	15,973	$	16,574
Additions to deferred income tax expense2	2,892		1,336		2,000
Reduction of deferred income tax expense	(1,095)		(1,344)		(2,601)
Balance at December 31	$	17,762	$	15,965	$	15,973

1 See also Note 15 to the Consolidated Financial Statements, beginning on page 79.

2 Includes $974 of additions associated with the purchase of Noble.