In the year ended December 31, 2015 we recorded the reversal of deferred tax asset valuation allowances of $3.9 billion in GME and recorded charges related to the Ignition Switch Recall for various legal matters of approximately $1.6 billion. In the year ended December 31, 2014 we recorded charges of approximately $2.9 billion in Automotive cost of sales related to recall campaigns and courtesy transportation, a catch-up adjustment of $0.9 billion related to the change in estimate for recall campaigns and a charge of $0.4 billion related to the Ignition Switch Recall compensation program. In the year ended December 31, 2012 we recorded Goodwill impairment charges of $27.1 billion, the reversal of deferred tax asset valuation allowances of $36.3 billion in the U.S. and Canada, pension settlement charges of $2.7 billion and GME long-lived asset impairment charges of $5.5 billion.
(b)
In December 2014 we redeemed all of the remaining shares of our Series A Preferred Stock for $3.9 billion, which reduced Net income attributable to common stockholders by $0.8 billion. In September 2013 we purchased 120 million shares of our Series A Preferred Stock held by the UAW Retiree Medical Benefits Trust (New VEBA) for $3.2 billion, which reduced Net income attributable to common stockholders by $0.8 billion.
(c)
In the year ended December 31, 2013 GM Financial acquired Ally Financial Inc.'s international operations in Europe and Latin America.