Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 867.9	$ 788.3	$ 2,524.3	$ 2,313.7
Foreign Exchange Trading Income	49.1	53.6	147.1	178.5
Treasury Management Fees	13.2	15.0	42.8	47.2
Security Commissions and Trading Income	21.2	20.4	65.8	59.9
Other Operating Income	40.0	33.1	122.7	212.4
Investment Security Gains (Losses), net	(0.4)	0.2	(1.1)	(1.9)
Total Noninterest Income	991.0	910.6	2,901.6	2,809.8
Net Interest Income
Interest Income	453.8	349.2	1,281.3	1,045.9
Interest Expense	99.6	46.1	232.1	135.3
Net Interest Income	354.2	303.1	1,049.2	910.6
Provision for Credit Losses	(7.0)	(3.0)	(15.0)	(4.0)
Net Interest Income after Provision for Credit Losses	361.2	306.1	1,064.2	914.6
Noninterest Expense
Compensation	418.3	382.1	1,276.6	1,150.4
Employee Benefits	74.8	73.2	228.2	216.0
Outside Services	172.7	157.6	492.8	466.5
Equipment and Software	130.5	114.5	391.5	346.7
Occupancy	47.3	44.2	139.0	130.4
Other Operating Expense	92.0	71.4	239.4	286.8
Total Noninterest Expense	935.6	843.0	2,767.5	2,596.8
Income before Income Taxes	416.6	373.7	1,198.3	1,127.6
Provision for Income Taxes	118.2	116.1	355.9	361.6
Net Income	298.4	257.6	842.4	766.0
Preferred Stock Dividends	17.3	5.9	43.9	17.6
Net Income Applicable to Common Stock	$ 281.1	$ 251.7	$ 798.5	$ 748.4
Per Common Share
Net Income — Basic (in dollars per share)	$ 1.21	$ 1.09	$ 3.43	$ 3.23
Net Income - Diluted (in dollars per share)	$ 1.20	$ 1.08	$ 3.41	$ 3.21
Average number of common shares outstanding
Basic (in shares)	228,010,866	226,540,086	228,751,804	227,561,218
Diluted (in shares)	229,313,645	228,055,195	230,189,289	229,040,618
Changes in other-than-temporary-impairment (OTTI) losses	$ 0.0	$ 0.0	$ (0.1)	$ (2.4)
Other Security Gains (Losses), net	(0.4)	0.2	(1.0)	0.5
Investment Security Gains (Losses), net	$ (0.4)	$ 0.2	$ (1.1)	$ (1.9)