Consolidated Statement of Income (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 727.5		$ 679.5
Foreign Exchange Trading Income	71.6		50.1
Treasury Management Fees	16.3		16.8
Security Commissions and Trading Income	19.8		14.7
Other Operating Income	38.6		37.7
Investment Security Gains (Losses), net	0.1	[1]	(4.0)	[1]
Total Noninterest Income	873.9		794.8
Net Interest Income
Interest Income	298.8		295.4
Interest Expense	38.2		49.7
Net Interest Income	260.6		245.7
Provision for Credit Losses	(4.5)		3.0
Net Interest Income after Provision for Credit Losses	265.1		242.7
Noninterest Expense
Compensation	354.3		341.8
Employee Benefits	72.9		66.9
Outside Services	135.1		144.4
Equipment and Software	110.3		101.3
Occupancy	43.0		44.2
Other Operating Expense	73.4		69.4
Total Noninterest Expense	789.0		768.0
Income before Income Taxes	350.0		269.5
Provision for Income Taxes	119.3		88.1
Net Income	230.7		181.4
Preferred Stock Dividends	5.9
Net Income Applicable to Common Stock	$ 224.8		$ 181.4
Per Common Share
Net Income - Basic	$ 0.95		$ 0.75
Net Income - Diluted	$ 0.94		$ 0.75
Average Number of Common Shares Outstanding - Basic	233,381,168		237,208,151
Average Number of Common Shares Outstanding - Diluted	235,288,695		239,050,714

[1] Changes in Other-Than-Temporary-Impairment (OTTI) Losses $ - $ (4.6 ) Noncredit-related OTTI Losses Recorded in/(Reclassified from) OCI - 0.7 Other Security Gains (Losses), net 0.1 (0.1 ) Investment Security Gains (Losses), net $ 0.1 $ (4.0 )