Consolidated Statements of Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Noninterest Income
Foreign Exchange Trading Income	$ 66.2	$ 78.5
Treasury Management Fees	11.7	14.0
Security Commissions and Trading Income	23.3	27.2
Other Operating Income	29.0	34.8
Investment Security Gains (Losses), net (Note)	(0.2)	(0.2)
Total Noninterest Income	1,058.9	1,092.0
Net Interest Income
Interest Income	662.8	505.9
Interest Expense	240.8	121.9
Net Interest Income	422.0	384.0
Provision for Credit Losses	0.0	(3.0)
Net Interest Income after Provision for Credit Losses	422.0	387.0
Noninterest Expense
Compensation	482.0	471.7
Employee Benefits	85.7	91.7
Outside Services	188.4	171.4
Equipment and Software	148.3	140.0
Occupancy	51.6	51.5
Other Operating Expense	72.7	69.0
Total Noninterest Expense	1,028.7	995.3
Income before Income Taxes	452.2	483.7
Provision for Income Taxes	105.1	102.1
Net Income	347.1	381.6
Preferred Stock Dividends	17.3	17.3
Net Income Applicable to Common Stock	$ 329.8	$ 364.3
Per Common Share
Net Income — Basic (in dollars per share)	$ 1.49	$ 1.59
Net Income - Diluted (in dollars per share)	$ 1.48	$ 1.58
Average number of common shares outstanding
Average Number of Common Shares Outstanding - Basic (in shares)	218,236,802	225,681,167
Average Number of Common Shares Outstanding - Diluted (in shares)	219,270,215	227,047,519
Changes in other-than-temporary-impairment (OTTI) losses	$ 0.0	$ (0.2)
Other Security Gains (Losses), net	(0.2)	0.0
Investment Security Gains (Losses), net	(0.2)	(0.2)
Total Trust, Investment and Other Servicing Fees
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 928.9	$ 937.7