Consolidated Statements of Shareholders' Equity (USD $) In Millions	Total	Preferred Stock	Common Stock	Additional Paid in Capital	Retained Earnings	Treasury Stock and Other		Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2010	$ 23,130	$ 4,942	$ 515	$ 8,403	$ 8,542	$ (888)	[1]	$ 1,616	[2]
Beginning Balance (in shares) at Dec. 31, 2010			500
Net income (loss)	358				358
Other Comprehensive Income (Loss), Net of Tax	52							(52)	[2]
Change in noncontrolling interest	1					1	[1]
Common stock dividends	(11)				(11)
Preferred dividends	(4)				(4)
U.S. Treasury preferred stock dividends	(60)				(60)
Accretion of discount for preferred stock issued to U.S. Treasury		6			(6)
Repurchase of preferred stock	(4,850)	(4,776)			(74)
Issuance of common stock (in shares)			35
Issuance of common stock	1,017		35	982
Stock compensation expense	7			7
Restricted stock activity (in shares)			2
Restricted stock activity	(8)			(54)		46	[1]
Amortization of restricted stock compensation	17					17	[1]
Issuance of stock for employee benefit plans and other	11			(8)		19	[1]
Ending Balance at Jun. 30, 2011	19,660	172	550	9,330	8,745	(805)	[1]	1,668	[2]
Ending Balance (in shares) at Jun. 30, 2011			537
Beginning Balance at Dec. 31, 2011	20,066	275	550	9,306	8,978	(792)	[1]	1,749	[2]
Beginning Balance (in shares) at Dec. 31, 2011			537
Net income (loss)	525				525
Other Comprehensive Income (Loss), Net of Tax	(6)							(6)	[2]
Change in noncontrolling interest	4					4	[1]
Common stock dividends	(54)				(54)
Preferred dividends	(6)				(6)
Stock compensation expense	9			(17)		26	[1]
Restricted stock activity (in shares)			1
Restricted stock activity	4			(61)		65	[1]
Amortization of restricted stock compensation	15					15	[1]
Issuance of stock for employee benefit plans and other	11			(10)		21	[1]
Ending Balance at Jun. 30, 2012	$ 20,568	$ 275	$ 550	$ 9,218	$ 9,443	$ (661)	[1]	$ 1,743	[2]
Ending Balance (in shares) at Jun. 30, 2012			538

[1] At June 30, 2012 includes ($707) million for treasury stock, ($65) million for compensation element of restricted stock, and $111 million for noncontrolling interest. At June 30, 2011 includes ($869) million for treasury stock, ($67) million for compensation element of restricted stock, and $131 million for noncontrolling interest.

[2] Components of AOCI at June 30, 2012 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. At June 30, 2011 components included $1,647 million in unrealized net gains on AFS securities, $479 million in unrealized net gains on derivative financial instruments, and ($458) million related to employee benefit plans.