Consolidated Statements of Changes in Equity (Deficit) (USD $) In Millions, except Share data, unless otherwise specified	Total	Senior Preferred Stock	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Noncontrolling Interest
Balance at Dec. 31, 2010	$ (2,517)	$ 88,600	$ 20,204	$ 667		$ (102,986)	$ (1,682)	$ (7,402)	$ 82
Balance (shares) at Dec. 31, 2010		1,000,000	577,000,000	1,119,000,000
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Change in investment in noncontrolling interest	(29)								(29)
Comprehensive income (loss):
Net income (loss)	(16,855)					(16,855)
Other comprehensive income, net of tax effect:
Changes in net unrealized losses on available-for-sale securities (net of tax of $529 $702, and $250, respectively)	465						465
Reclassification adjustment for other-than-temporary impairments recognized in net income (loss) (net of tax of $22, $250, and $99 , respectively)	209						209
Reclassification adjustment for (gains) losses included in net income (loss) (net of tax of $179, $9, and $28, respectively)	(52)						(52)
Prior service cost and actuarial gains, net of amortization for defined benefit plans	(175)						(175)
Total comprehensive income (loss)	(16,408)
Senior preferred stock dividends	(9,613)				(1,072)	(8,541)
Increase to senior preferred liquidation preference	23,978	23,978
Conversion of convertible preferred stock into common stock (shares)			(21,493,217)	(38,669,995)
Conversion of convertible preferred stock into common stock			(1,074)	20	1,054
Other	18				18	1		(1)
Balance at Dec. 31, 2011	(4,571)	112,578	19,130	687		(128,381)	(1,235)	(7,403)	53
Balance (shares) at Dec. 31, 2011		1,000,000	556,000,000	1,158,000,000
Preferred Stock, Shares Outstanding	555,374,922		555,374,922
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Change in investment in noncontrolling interest	(8)								(8)
Comprehensive income (loss):
Net income (loss)	17,220					17,224			(4)
Other comprehensive income, net of tax effect:
Changes in net unrealized losses on available-for-sale securities (net of tax of $529 $702, and $250, respectively)	1,289						1,289
Reclassification adjustment for other-than-temporary impairments recognized in net income (loss) (net of tax of $22, $250, and $99 , respectively)	463						463
Reclassification adjustment for (gains) losses included in net income (loss) (net of tax of $179, $9, and $28, respectively)	(17)						(17)
Prior service cost and actuarial gains, net of amortization for defined benefit plans	(116)						(116)
Total comprehensive income (loss)	18,839
Senior preferred stock dividends	(11,608)				1	(11,609)
Increase to senior preferred liquidation preference	4,571	4,571
Other	1				(1)			2
Balance at Dec. 31, 2012	7,224	117,149	19,130	687		(122,766)	384	(7,401)	41
Balance (shares) at Dec. 31, 2012		1,000,000		1,158,000,000
Balance at Sep. 30, 2012
Preferred Stock, Shares Outstanding	555,374,922		555,374,922
Comprehensive income (loss):
Net income (loss)	7,570
Balance at Dec. 31, 2012	7,224		19,130	687		(122,766)	384		41
Balance (shares) at Dec. 31, 2012				1,158,000,000
Preferred Stock, Shares Outstanding	555,374,922		555,374,922
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Change in investment in noncontrolling interest	(10)								(10)
Comprehensive income (loss):
Net income (loss)	83,982					83,963			19
Other comprehensive income, net of tax effect:
Changes in net unrealized losses on available-for-sale securities (net of tax of $529 $702, and $250, respectively)	983						983
Reclassification adjustment for other-than-temporary impairments recognized in net income (loss) (net of tax of $22, $250, and $99 , respectively)	42						42
Reclassification adjustment for (gains) losses included in net income (loss) (net of tax of $179, $9, and $28, respectively)	(332)						(332)
Prior service cost and actuarial gains, net of amortization for defined benefit plans	126						126
Total comprehensive income (loss)	84,801
Senior preferred stock dividends	(82,452)					(82,452)
Other	28					28
Balance at Dec. 31, 2013	9,591	117,149	19,130	687		(121,227)	1,203	(7,401)	50
Balance (shares) at Dec. 31, 2013		1,000,000		1,158,000,000
Balance at Sep. 30, 2013
Preferred Stock, Shares Outstanding	555,374,922		555,374,922
Comprehensive income (loss):
Net income (loss)	6,458
Balance at Dec. 31, 2013	$ 9,591	$ 117,149	$ 19,130	$ 687				$ (7,401)
Balance (shares) at Dec. 31, 2013		1,000,000		1,158,000,000