Consolidated Statements of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Interest Income
Interest and fees on loans and leases	$ 1,546	$ 1,549	$ 4,589	$ 4,514
Interest and dividends on securities	199	207	512	834
Interest on other earning assets	5	6	15	12
Total interest income	1,750	1,762	5,116	5,360
Interest Expense
Interest on deposits	150	225	473	725
Interest on federal funds purchased, securities sold under repurchase agreements and short-term borrowed funds	3	5	10	16
Interest on long-term debt	181	218	578	631
Total interest expense	334	448	1,061	1,372
Net Interest Income	1,416	1,314	4,055	3,988
Provision for credit losses	250	770	918	1,995
Net Interest Income After Provision for Credit Losses	1,166	544	3,137	1,993
Noninterest Income
Insurance income	241	252	790	792
Service charges on deposits	141	147	421	475
Mortgage banking income	123	184	301	383
Investment banking and brokerage fees and commissions	81	85	258	255
Checkcard fees	78	70	229	201
Other nondeposit fees and commissions	71	74	204	202
Bankcard fees and merchant discounts	51	45	149	130
Trust and investment advisory revenues	43	40	131	117
Income from bank-owned life insurance	33	30	92	92
FDIC loss share income, net	(104)	(43)	(243)	(116)
Other income (loss), net	(29)	(13)	(100)	7
Securities gains (losses), net
Realized gains, net	0	241	37	468
Other-than-temporary impairments	(7)	0	(18)	(49)
Non-credit portion recognized in other comprehensive income	(32)	(2)	(60)	36
Total securities gains (losses), net	(39)	239	(41)	455
Total noninterest income	690	1,110	2,191	2,993
Noninterest Expense
Personnel expense	671	642	2,048	1,937
Foreclosed property expense	168	167	456	585
Occupancy and equipment expense	151	157	457	453
Professional services	100	84	255	242
Regulatory charges	46	61	166	152
Loan processing expenses	48	53	150	135
Amortization of intangibles	24	30	75	94
Software expense	30	28	85	87
Merger-related and restructuring charges, net	0	10	0	65
Other expenses	179	176	492	499
Total noninterest expense	1,417	1,408	4,184	4,249
Earnings
Income before income taxes	439	246	1,144	737
Provision for income taxes	68	27	212	100
Net income	371	219	932	637
Noncontrolling interests	5	9	34	29
Net income available to common shareholders	$ 366	$ 210	$ 898	$ 608
Earnings Per Common Share
Basic	$ 0.52	$ 0.30	$ 1.29	$ 0.88
Diluted	$ 0.52	$ 0.30	$ 1.27	$ 0.87
Cash dividends declared	$ 0.16	$ 0.15	$ 0.49	$ 0.45
Weighted Average Shares Outstanding
Basic	697,052	693,017	696,335	691,982
Diluted	705,604	701,535	704,910	700,551