CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Interest Income
Interest and fees on loans and leases	$ 898	$ 910
Interest on securities	141	149
Interest on other short-term investments	1	1
Total income	1,040	1,060
Interest Expense
Interest on deposits	58	106
Interest on other short-term borrowings	1	1
Interest on long-term debt	83	74
Total interest expense	142	181
Net Interest Income	898	879
Provision for loan and lease losses	91	168
Net Interest Income After Provision for Loan and Lease Losses	807	711
Noninterest Income
Mortgage banking net revenue	204	102
Service charges on deposits	129	124
Investment advisory revenue	96	98
Corporate banking revenue	97	86
Card and processing revenue	59	80
Other noninterest income	175	81
Securities gains, net	9	8
Securities gains, net - non-qualifying hedges on mortgage servicing rights		5
Total noninterest income	769	584
Noninterest Expense
Salaries, wages and incentives	399	351
Employee benefits	112	97
Net occupancy expense	77	77
Technology and communications	47	45
Card and processing expense	30	29
Equipment expense	27	29
Other noninterest expense	281	290
Total noninterest expense	973	918
Income (Loss) Before Income Taxes and Change in Undstributed Earnings of Subsidiaries	603	377
Applicable income tax expense	173	112
Net Income (Loss)	430	265
Net Income (Loss)	430	265
Dividends on preferred stock	9	177
Net income (loss) available to common shareholders	$ 421	$ 88
Earnings Per Share	$ 0.46	$ 0.10
Earnings Per Diluted Share	$ 0.45	$ 0.10
Average common shares - basic	915,225,816	880,829,800
Average common shares - diluted	957,415,527	894,841,321
Cash dividends declared per share	$ 0.08	$ 0.06