Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified		Total USD ($)	Common Stocks	Preferred Stock USD ($)
Common Shares Outstanding, at beginning of period (in thousands) at Dec. 31, 2012			436,306
Common Stock, Dividends, Per Share, Declared		$ 0.20
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of warrants		$ (21)
Stock Issued During Period, Value, Conversion of Convertible Securities		556		(556)
Issuance of shares under incentive and stock compensation plans		29
Tax expense on employee stock options and awards		0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		(431)
Dividends on preferred stock		(10)
Dividends declared on common stock		(91)
Treasury stock acquired		(145)
Issuance of shares under incentive and stock compensation plans from treasury stock		69
Return of shares under incentive and stock compensation plans and other to treasury stock		(7)
Total other comprehensive income	[1]	(2,769)
Total stockholders' equity		19,013
Accumulated Other Comprehensive Income (Loss), Net of Tax	[1]	74
Treasury Stock, Value		(1,823)
Retained Earnings (Accumulated Deficit)		10,213
Additional Paid in Capital		10,544
Common Stock, Value, Issued		5
Treasury stock acquired			(5,205)
Issuance of shares under incentive and stock compensation plans			1,236
Return of shares under incentive and stock compensation plans and other to treasury stock			(285)
Stock Issued During Period, Shares, Conversion of Convertible Securities			21,181
Issuance of Shares for Warrant Exercise			694
Adjustments to Additional Paid in Capital, Warrants Exercised		0
Stock Issued During Period, Value, Warrants Exercise		0
Common Shares Outstanding, at end of period (in thousands) at Jun. 30, 2013			453,927
Common Shares Outstanding, at beginning of period (in thousands) at Dec. 31, 2013			453,290
Common Stock, Dividends, Per Share, Declared		$ 0.30
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of warrants		0
Stock Issued During Period, Value, Conversion of Convertible Securities		0		0
Issuance of shares under incentive and stock compensation plans		1
Tax expense on employee stock options and awards		4
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest		28
Dividends on preferred stock		0
Dividends declared on common stock		(134)
Treasury stock acquired		(651)
Issuance of shares under incentive and stock compensation plans from treasury stock		47
Return of shares under incentive and stock compensation plans and other to treasury stock		(13)
Total other comprehensive income	[1]	1,241
Total stockholders' equity		19,428
Accumulated Other Comprehensive Income (Loss), Net of Tax	[1]	1,162
Treasury Stock, Value		(1,546)
Retained Earnings (Accumulated Deficit)		10,577
Additional Paid in Capital		9,230
Common Stock, Value, Issued		5
Preferred Stock, Value, Outstanding		0
Treasury stock acquired			(18,968)
Issuance of shares under incentive and stock compensation plans			1,111
Return of shares under incentive and stock compensation plans and other to treasury stock			(378)
Stock Issued During Period, Shares, Conversion of Convertible Securities			0
Issuance of Shares for Warrant Exercise			15,696
Class of Warrant or Right, Exercise Price of Warrants or Rights		9.451
Adjustments to Additional Paid in Capital, Warrants Exercised		(669)
Stock Issued During Period, Value, Warrants Exercise		$ 669
Common Shares Outstanding, at end of period (in thousands) at Jun. 30, 2014			450,751

[1] Net Unrealized Gain on SecuritiesOTTI Losses in OCINet Gain (Loss) on Cash Flow Hedging InstrumentsForeign Currency Translation AdjustmentsPension and Other Postretirement Plan AdjustmentsTotal AOCIBeginning balance$987$(12)$108$91$(1,253)$(79)OCI before reclassifications1,29976434271,431Amounts reclassified from AOCI(31)(2)(31)(112)(14)(190)Net OCI1,268533(78)131,241Ending balance$2,255$(7)$141$13$(1,240)$1,162