Consolidated Statement Of Income (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 657.3		$ 605.8		$ 1,288.0		$ 1,181.0
Foreign Exchange Trading Income	71.3		59.4		130.8		121.3
Treasury Management Fees	17.1		17.3		33.9		34.7
Security Commissions and Trading Income	18.3		17.4		36.6		35.7
Other Operating Income	36.3		34.0		61.1		72.6
Investment Security Gains (Losses), net	0.1	[1]	0.5	[1]	0.3	[1]	(1.9)	[1]
Total Noninterest Income	800.4		734.4		1,550.7		1,443.4
Net Interest Income
Interest Income	275.3		321.5		562.0		662.5
Interest Expense	55.2		67.4		115.8		152.0
Net Interest Income	220.1		254.1		446.2		510.5
Provision for Credit Losses	5.0		5.0		10.0		10.0
Net Interest Income after Provision for Credit Losses	215.1		249.1		436.2		500.5
Noninterest Expense
Compensation	326.9		313.8		647.2		635.4
Employee Benefits	64.2		64.9		127.5		133.0
Outside Services	136.2		133.7		266.1		261.9
Equipment and Software	92.1		99.4		183.5		190.2
Occupancy	43.5		42.6		86.7		84.4
Other Operating Expense	66.8		62.9		147.6		136.0
Total Noninterest Expense	729.7		717.3		1,458.6		1,440.9
Income before Income Taxes	285.8		266.2		528.3		503.0
Provision for Income Taxes	94.7		86.6		173.2		162.2
Net Income	191.1		179.6		355.1		340.8
Net Income Applicable to Common Stock	$ 191.1		$ 179.6		$ 355.1		$ 340.8
Per Common Share
Net Income - Basic	$ 0.78		$ 0.73		$ 1.46		$ 1.39
Net Income - Diluted	$ 0.78		$ 0.73		$ 1.45		$ 1.39
Average Number of Common Shares Outstanding - Basic	239,738,592		240,900,839		239,454,653		240,995,466
Average Number of Common Shares Outstanding - Diluted	241,040,681		241,367,982		240,617,300		241,462,039

[1] Changes in Other-Than-Temporary-Impairment (OTTI) Losses $ - $ - $ - $ (3.1 ) Noncredit-related OTTI Losses Recorded in/(Reclassified from) OCI - - - - Other Security Gains (Losses), net 0.1 0.5 0.3 1.2 Investment Security Gains (Losses), net $ 0.1 $ 0.5 $ 0.3 $ (1.9 )