Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 1,111.0	$ 1,003.8	$ 3,250.1	$ 2,968.9
Foreign Exchange Trading Income	66.4	61.6	215.7	221.8
Treasury Management Fees	11.2	11.6	33.7	34.0
Security Commissions and Trading Income	36.5	26.0	104.3	100.9
Other Operating Income	62.3	53.5	171.6	144.4
Investment Security Gains, net	0.0	0.0	0.0	0.1
Total Noninterest Income	1,287.4	1,156.5	3,775.4	3,470.1
Net Interest Income
Interest Income	351.3	355.4	1,044.3	1,290.9
Interest Expense	4.9	26.8	22.2	182.1
Net Interest Income	346.4	328.6	1,022.1	1,108.8
Provision for Credit Losses	(13.0)	0.5	(70.0)	127.5
Net Interest Income after Provision for Credit Losses	359.4	328.1	1,092.1	981.3
Noninterest Expense
Compensation	496.0	461.7	1,500.8	1,421.8
Employee Benefits	101.7	97.5	323.5	285.8
Outside Services	210.7	186.0	625.2	555.0
Equipment and Software	185.2	170.7	540.2	497.1
Occupancy	53.9	51.8	156.9	162.9
Other Operating Expense	81.2	127.0	220.4	274.6
Total Noninterest Expense	1,128.7	1,094.7	3,367.0	3,197.2
Income before Income Taxes	518.1	389.9	1,500.5	1,254.2
Provision for Income Taxes	122.4	95.4	361.6	285.8
Net Income	395.7	294.5	1,138.9	968.4
Preferred Stock Dividends	16.2	16.2	37.1	51.5
Net Income Applicable to Common Stock	$ 379.5	$ 278.3	$ 1,101.8	$ 916.9
Per Common Share
Net Income — Basic (in dollars per share)	$ 1.81	$ 1.32	$ 5.24	$ 4.35
Net Income - Diluted (in dollars per share)	$ 1.80	$ 1.32	$ 5.22	$ 4.34
Average number of common shares outstanding
Average Number of Common Shares Outstanding - Basic (in shares)	208,116,009	208,106,190	208,199,352	208,351,088
Average Number of Common Shares Outstanding - Diluted (in shares)	208,923,306	208,688,494	209,002,530	209,023,331