Consolidated Statements of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Interest Income
Interest and fees on loans	$ 1,091	$ 1,151
Interest and fees on loans held for sale	22	15
Interest and Dividend Income, Securities, Available-for-sale	140	153
Trading account interest and other	19	17
Total interest income	1,272	1,336
Interest Expense
Interest on deposits	56	65
Interest Expense, Long-term Debt	68	58
Interest on other borrowings	8	9
Total interest expense	132	132
Net, interest income	1,140	1,204
Provision for Loan, Lease, and Other Losses	55	102
Interest Income (Expense), after Provision for Loan Loss	1,085	1,102
Noninterest Income
Service charges on deposit accounts	151	155
Fees and Commissions, Other	89	88
Fees and Commissions, Credit and Debit Cards	80	76
Investment Banking Revenue	97	88
Trading Gain (Loss)	55	49
Fees and Commissions, Fiduciary and Trust Activities	84	130
Investment Advisory, Management and Administrative Fees	72	71
Fees and Commissions, Mortgage Banking	83	43
Servicing Fees, Net	43	54
Gain (Loss) on Sale of Securities, Net	0	(1)
Noninterest Income, Other Operating Income	63	38
Total noninterest income	817	791
Noninterest Expense
Employee compensation	633	659
Other Labor-related Expenses	138	141
Outside processing and software	189	170
Net occupancy expense	84	86
Equipment Expense	40	44
Federal Deposit Insurance Corporation Premium Expense	37	40
Marketing and Advertising Expense	27	25
Credit and collection services	18	22
Operating losses	14	21
Amortization of Intangible Assets and Impairment of Goodwill	7	3
Other Noninterest Expense	(93)	(146)
Noninterest Expense	1,280	1,357
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	622	536
Income Tax Expense (Benefit)	191	125
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	431	411
Net Income (Loss) Attributable to Noncontrolling Interest	2	6
Net Income (Loss) Attributable to Parent	429	405
Net Income (Loss) Available to Common Stockholders, Basic	$ 411	$ 393
Earnings Per Share, Diluted	$ 0.78	$ 0.73
Earnings Per Share, Basic	$ 0.79	$ 0.74
Common Stock, Dividends, Per Share, Declared	$ 0.20	$ 0.10
Weighted Average Number of Shares Outstanding, Diluted	526,837	536,992
Weighted Average Number of Shares Outstanding, Basic	521,020	531,162