Consolidated Statement of Changes in Shareholders' Equity (USD $) In Millions, except Share data, unless otherwise specified		Total USD ($)	Additional Paid In Capital USD ($)	Accumulated deficit USD ($)	Accumulated other comprehensive loss USD ($)	Comprehensive loss USD ($)	Common Stock USD ($)	Preferred Stock USD ($)	Series C Preferred Stock
Balance at beginning of period at Dec. 31, 2008			$ 21,485	$ (7,245)	$ (1,378)
Issuance of Series C preferred stock			2,685
Return of capital to parent			(1,043)
Employee benefit plans, including transfers and other			(8)
Net loss		(7,450)		(7,450)		(7,450)
Dividends on preferred stock				(37)
Net change in unrealized gains (losses), net of tax, on:
Derivatives classified as cash flow hedges					684
Securities available-for-sale, not other-than temporarily impaired					92
Other-than-temporarily impaired debt securities available-for-sale(1)	[1]				(7)
Pension and postretirement benefit plan adjustments, net of tax					4
Foreign currency translation adjustments, net of tax					22
Other comprehensive income, net of tax					795	795
Comprehensive loss						(6,655)
Shares issued							5
Shares, Outstanding							65	575,000
Stockholders' Equity Attributable to Parent							0	575
Ending balance at Dec. 31, 2009							0	575
Ending balance, shares at Dec. 31, 2009							65	575,000
Balance at end of period at Dec. 31, 2009		7,804	23,119	(14,732)	(583)
Issuance of Series C preferred stock			200					1,000
Employee benefit plans, including transfers and other			2
Net loss		(1,916)		(1,916)		(1,916)
Dividends on preferred stock				(37)
Net change in unrealized gains (losses), net of tax, on:
Derivatives classified as cash flow hedges					57
Securities available-for-sale, not other-than temporarily impaired					40
Other-than-temporarily impaired debt securities available-for-sale(1)	[1]				3
Pension and postretirement benefit plan adjustments, net of tax					(8)
Other comprehensive income, net of tax					92	92
Comprehensive loss						(1,824)
Shares issued							1		1,000
Shares, Outstanding							66	576,000
Stockholders' Equity Attributable to Parent		7,720					0	1,575
Ending balance at Dec. 31, 2010		7,720					0	1,575
Ending balance, shares at Dec. 31, 2010							66	576,000
Balance at end of period at Dec. 31, 2010		6,145	23,321	(16,685)	(491)
Net loss		(1,408)
Net change in unrealized gains (losses), net of tax, on:
Shares, Outstanding							68	576,000
Stockholders' Equity Attributable to Parent		6,926					0	1,575
Ending balance at Dec. 31, 2011		6,926					0	1,575
Ending balance, shares at Dec. 31, 2011							68	576,000
Balance at end of period at Dec. 31, 2011		5,351	23,966	(18,219)	(396)
Balance at beginning of period at Dec. 31, 2010			23,321	(16,685)	(491)
Issuance of Series C preferred stock			690
Employee benefit plans, including transfers and other			(45)
Net loss				(1,408)		(1,408)
Dividends on preferred stock				(126)
Net change in unrealized gains (losses), net of tax, on:
Derivatives classified as cash flow hedges					81
Securities available-for-sale, not other-than temporarily impaired					24
Other-than-temporarily impaired debt securities available-for-sale(1)	[1]				4
Pension and postretirement benefit plan adjustments, net of tax					(11)
Foreign currency translation adjustments, net of tax					(3)
Other comprehensive income, net of tax					95	95
Comprehensive loss						$ (1,313)
Shares issued							2
Balance at end of period at Dec. 31, 2012

[1] During 2011 and 2010, OTTI losses on available-for-sale securities recognized in other revenues and in AOCI were nominal. During 2009, $36 million of gross OTTI losses on securities available-for-sale were recognized, of which $11 million were recognized in AOCI.