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Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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-Publisher FASB

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-Topic 505

-SubTopic 30

-Section 45

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Number of shares that have been repurchased during the period and are being held in treasury.

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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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Equity Stock Repurchase Program (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		57 Months Ended	1 Months Ended	58 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	May 08, 2015	May 08, 2015	Dec. 31, 2014
Equity [Abstract]
Treasury stock, shares (in shares)	112,188,349us-gaap_TreasuryStockShares		112,188,349us-gaap_TreasuryStockShares			110,687,849us-gaap_TreasuryStockShares
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased During Period, Shares	2,816,493us-gaap_TreasuryStockSharesAcquired		108,728,970us-gaap_TreasuryStockSharesAcquired
Stock Repurchased During Period, Value	$ 35	$ 0	$ 1,300
Stock Repurchase Program, Remaining Authorized Repurchase Amount	388		388
Treasury Stock Acquired, Average Cost Per Share			$ 12.37
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased During Period, Shares				591,028	109,319,998
Stock Repurchased During Period, Value				7	1,400
Stock Repurchase Program, Remaining Authorized Repurchase Amount				$ 381	$ 381
Treasury Stock Acquired, Average Cost Per Share					$ 12.38