Consolidated Statements of Stockholders Equity (USD $) In Millions	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2011	$ 4,364	$ 1	$ (125)	$ 12,305	$ (7,699)	$ (164)	$ 46
Treasury stock transactions	(469)	0	(469)	0	0	0	0
Stock-based compensation expense	25	0	0	25	0	0	0
Option exercises	5	0	0	5	0	0	0
Payments to Noncontrolling Interests	0us-gaap_PaymentsToMinorityShareholders
Other	2us-gaap_StockholdersEquityOther	0	0	0	0	0	2
Net income	199us-gaap_ProfitLoss	0	0	0	199	0	0
Other comprehensive income (loss)	(70)	0	0	0	0	(64)	(6)
Balance at Dec. 31, 2012	4,056	1	(594)	12,335	(7,500)	(228)	42
Treasury stock transactions	(636)	0	(636)	0	0	0	0
Stock-based compensation expense	34	0	0	34	0	0	0
Option exercises	20	0	0	20	0	0	0
Payments to Noncontrolling Interests	0us-gaap_PaymentsToMinorityShareholders
Other	(1)us-gaap_StockholdersEquityOther	0	0	0	0	0	(1)
Net income	18us-gaap_ProfitLoss	0	0	0	14	0	4
Other comprehensive income (loss)	77	0	0	0	0	68	9
Balance at Dec. 31, 2013	3,568	1	(1,230)	12,389	(7,486)	(160)	54
Treasury stock transactions	(1,115)	0	(1,115)	0	0	0	0
Stock-based compensation expense	31	0	0	31	0	0	0
Option exercises	20	0	0	20	0	0	0
Payments to Noncontrolling Interests	(15)us-gaap_PaymentsToMinorityShareholders	0	0	0	0	0	15
Net income	961us-gaap_ProfitLoss	0	0	0	946	0	15
Other comprehensive income (loss)	(19)	0	0	0	0	(18)	(1)
Balance at Dec. 31, 2014	$ 3,431	$ 1	$ (2,345)	$ 12,440	$ (6,540)	$ (178)	$ 53

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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