Consolidated Statements of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Interest Income
Interest and fees on loans and leases	$ 1,418	$ 1,492	$ 2,851	$ 2,994
Interest and dividends on securities	215	230	430	464
Interest on other earning assets	10	6	21	13
Total interest income	1,643	1,728	3,302	3,471
Interest Expense
Interest on deposits	78	107	164	228
Interest on short-term borrowings	3	2	4	3
Interest on long-term debt	147	157	297	342
Total interest expense	228	266	465	573
Net Interest Income	1,415	1,462	2,837	2,898
Provision for credit losses	168	273	440	561
Net Interest Income After Provision for Credit Losses	1,247	1,189	2,397	2,337
Noninterest Income
Insurance income	426	393	791	664
Mortgage banking income	168	182	348	398
Service charges on deposits	143	138	281	275
Investment banking and brokerage fees and commissions	99	88	193	177
Bankcard fees and merchant discounts	65	59	124	113
Checkcard fees	51	45	98	88
Trust and investment advisory revenues	49	46	97	91
Income from bank-owned life insurance	26	27	54	57
FDIC loss share income, net	(85)	(74)	(144)	(131)
Other income	81	64	159	116
Securities gains (losses), net
Realized gains (losses), net	23	0	46	(4)
OTTI charges	0	(2)	0	(5)
Non-credit portion recognized in OCI	0	0	0	(2)
Total securities gains (losses), net	23	(2)	46	(11)
Total noninterest income	1,046	966	2,047	1,837
Noninterest Expense
Personnel expense	844	775	1,661	1,505
Occupancy and equipment expense	170	159	341	312
Loan-related expense	63	62	121	125
Foreclosed property expense	12	72	30	164
Regulatory charges	35	43	70	84
Professional services	47	39	83	74
Software expense	38	32	76	64
Amortization of intangibles	27	29	54	51
Merger-related and restructuring charges, net	27	2	32	14
Other expenses	233	213	442	418
Total noninterest expense	1,496	1,426	2,910	2,811
Earnings
Income (loss) before income taxes	797	729	1,534	1,363
Provision for income taxes	221	191	702	380
Net income	576	538	832	983
Noncontrolling interests	16	20	32	34
Dividends on preferred stock	13	8	43	8
Net income available to common shareholders	$ 547	$ 510	$ 757	$ 941
EPS
Basic	$ 0.78	$ 0.73	$ 1.08	$ 1.35
Diluted	$ 0.77	$ 0.72	$ 1.06	$ 1.33
Cash dividends declared	$ 0.23	$ 0.20	$ 0.46	$ 0.40
Weighted Average Shares Outstanding
Basic	702,082	698,579	701,245	698,132
Diluted	712,861	708,454	711,998	707,990