CONDENSED CONSOLIDATED STATEMENTS OF INCOME Unaudited (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest Income
Interest and fees on loans and leases	$ 882	$ 898
Interest on securities	112	141
Interest on other short-term investments	1	1
Total interest income	995	1,040
Interest Expense
Interest on deposits	50	58
Interest on other short-term borrowings	3	1
Interest on long-term debt	54	83
Total interest expense	107	142
Net Interest Income	888	898
Provision for loan and lease losses	62	91
Net Interest Income After Provision for Loan and Lease Losses	826	807
Noninterest Income
Mortgage banking net revenue	220	204
Service charges on deposits	131	129
Investment advisory revenue	100	96
Corporate banking revenue	99	97
Card and processing revenue	65	59
Other noninterest income	109	175
Securities gains, net	17	9
Securities gains, net - non-qualifying hedges on mortgage servicing rights	2
Total noninterest income	743	769
Noninterest Expense
Salaries, wages and incentives	399	399
Employee benefits	114	112
Net occupancy expense	79	77
Technology and communications	49	47
Card and processing expense	31	30
Equipment expense	28	27
Other noninterest expense	278	281
Total noninterest expense	978	973
Income (Loss) Before Income Taxes and Change in Undstributed Earnings of Subsidiaries	591	603
Applicable income tax expense	179	173
Net Income (Loss)	412	430
Less: Net income attributable to noncontrolling interests	10
Net Income (Loss)	422	430
Dividends on preferred stock	9	9
Net income (loss) available to common shareholders	$ 413	$ 421
Earnings Per Share	$ 0.47	$ 0.46
Earnings Per Diluted Share	$ 0.46	$ 0.45
Average common shares - basic	870,923,074	915,225,816
Average common shares - diluted	913,163,262	957,415,527
Cash dividends declared per share	$ 0.11	$ 0.08