Consolidated Statements of Shareholders' Equity (USD $) In Millions, except Share data, unless otherwise specified		Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock and Other		Accumulated Other Comprehensive Income (Loss) [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period at Dec. 31, 2011		$ 20,066	$ 275	$ 550	$ 9,306	$ 8,978	$ (792)	[1]	$ 1,749	[2]
Common Stock, Shares, Outstanding, beginning of period at Dec. 31, 2011				537,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Attributable to Parent		525				525
Other Comprehensive Income (Loss), Net of Tax		(6)							(6)	[2]
Noncontrolling Interest, Period Increase (Decrease)		4					4	[1]
Dividends, Common Stock, Cash		(54)				(54)
Dividends, Preferred Stock, Cash		(6)				(6)
Stock Issued During Period, Value, Stock Options Exercised		9			(17)		26	[1]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures				1,000,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures		4			(61)		65	[1]
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition		15					15	[1]
Stock Issued During Period, Value, Employee Benefit Plan		11			(10)		21	[1]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period at Jun. 30, 2012		20,568	275	550	9,218	9,443	(661)	[1]	1,743	[2]
Common Stock, Shares, Outstanding, end of period at Jun. 30, 2012				538,000,000
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, beginning of period at Dec. 31, 2012		20,985	725	550	9,174	10,817	(590)	[1]	309	[2]
Common Stock, Shares, Outstanding, beginning of period at Dec. 31, 2012		538,959,000		539,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) Attributable to Parent		729				729
Other Comprehensive Income (Loss), Net of Tax		(592)							(592)	[2]
Noncontrolling Interest, Period Increase (Decrease)		1					1	[1]
Dividends, Common Stock, Cash		(81)				(81)
Dividends, Preferred Stock, Cash	[3]	(18)				(18)
Treasury Stock, Shares, Acquired				(2,000,000)
Treasury Stock, Value, Acquired, Cost Method		(50)					(50)	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				1,000,000
Stock Issued During Period, Value, Stock Options Exercised		10			(15)		25	[1]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures				1,000,000
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures		4			(33)		37	[1]
Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition		15					15	[1]
Stock Issued During Period, Value, Employee Benefit Plan		4					4	[1]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, end of period at Jun. 30, 2013		$ 21,007	$ 725	$ 550	$ 9,126	$ 11,447	$ (558)	[1]	$ (283)	[2]
Common Stock, Shares, Outstanding, end of period at Jun. 30, 2013		538,653,000		539,000,000

[1] At June 30, 2013, includes ($605) million for treasury stock, ($68) million for compensation element of restricted stock, and $115 million for noncontrolling interest. At June 30, 2012, includes ($707) million for treasury stock, ($65) million for compensation element of restricted stock, and $111 million for noncontrolling interest.

[2] Components of AOCI at June 30, 2013, included $65 million in unrealized net gains on AFS securities, $369 million in unrealized net gains on derivative financial instruments, and ($717) million related to employee benefit plans. At June 30, 2012, components included $2,055 million in unrealized net gains on AFS securities, $399 million in unrealized net gains on derivative financial instruments, and ($711) million related to employee benefit plans.

[3] Dividends were $2,022 per share for Perpetual Preferred Stock Series A and B and $2,856 per share for Perpetual Preferred Stock Series E for the six months ended June 30, 2013.