Consolidated Income Statement (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Interest Income
Loans	$ 2,076		$ 1,904		$ 6,190		$ 5,693
Investment securities	504		511		1,557		1,638
Other	90		115		316		329
Total interest income	2,670		2,530		8,063		7,660
Interest Expense
Deposits	103		167		289		529
Borrowed funds	168		188		558		630
Total interest expense	271		355		847		1,159
Net interest income	2,399		2,175		7,216		6,501
Noninterest Income
Asset management	305		287		867		838
Consumer services	288		330		842		974
Corporate services	295		187		817		632
Residential mortgage	227		198		284		556
Service charges on deposits	152		140		423		394
Net gains on sales of securities	40		68		159		187
Other-than-temporary impairments	(26)		(122)		(74)		(225)
Less: Noncredit portion of other-than-temporary impairments (a)	(2)	[1]	(87)	[1]	22	[1]	(117)	[1]
Net other-than-temporary impairments	(24)		(35)		(96)		(108)
Other	406		194		931		803
Total noninterest income	1,689		1,369		4,227		4,276
Total revenue	4,088		3,544		11,443		10,777
Provision for credit losses (benefit)	228		261		669		962
Noninterest Expense
Personnel	1,171		949		3,401		2,914
Occupancy	212		171		601		540
Equipment	185		159		541		484
Marketing	74		72		209		175
Other	1,008		789		3,001		2,273
Total noninterest expense	2,650		2,140		7,753		6,386
Income (loss) before income taxes and noncontrolling interests	1,210		1,143		3,021		3,429
Income taxes	285		309		739		851
Net income	925		834		2,282		2,578
Net income (loss) attributable to noncontrolling interests	(14)		4		(13)		(2)
Preferred stock dividends and discount accretion	63		4		127		33
Net income attributable to common shareholders	$ 876		$ 826		$ 2,168		$ 2,547
Earnings Per Common Share
Basic	$ 1.66	[2]	$ 1.57	[2]	$ 4.10	[2]	$ 4.84	[2]
Diluted	$ 1.64	[2]	$ 1.55	[2]	$ 4.06	[2]	$ 4.79	[2]
Average Common Shares Outstanding
Basic	526		524		526		524
Diluted	529		526		529		526

[1] Included in accumulated other comprehensive income (loss).

[2] Basic and diluted earnings per share under the two-class method are determined on net income reported on the income statement less earnings allocated to nonvested restricted shares (participating securities).