Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 4,361.1	$ 3,995.0	$ 3,852.1
Foreign Exchange Trading Income	292.6	290.4	250.9
Treasury Management Fees	44.3	45.4	44.5
Security Commissions and Trading Income	140.2	133.2	103.6
Other Operating Income	243.9	194.0	145.5
Investment Security Losses, net	(0.3)	(0.4)	(1.4)
Total Noninterest Income	5,081.8	4,657.6	4,395.2
Net Interest Income
Interest Income	1,406.5	1,643.5	2,499.9
Interest Expense	23.8	200.3	822.0
Net Interest Income	1,382.7	1,443.2	1,677.9
Provision for Credit Losses	(81.5)	125.0	(14.5)
Net Interest Income after Provision for Credit Losses	1,464.2	1,318.2	1,692.4
Noninterest Expense
Compensation	2,011.0	1,947.1	1,859.0
Employee Benefits	431.4	387.7	355.2
Outside Services	849.4	763.1	774.5
Equipment and Software	736.3	673.5	612.1
Occupancy	208.7	230.1	212.9
Other Operating Expense	299.1	346.7	329.8
Total Noninterest Expense	4,535.9	4,348.2	4,143.5
Income before Income Taxes	2,010.1	1,627.6	1,944.1
Provision for Income Taxes	464.8	418.3	451.9
NET INCOME	1,545.3	1,209.3	1,492.2
Preferred Stock Dividends	41.8	56.2	46.4
Net Income Applicable to Common Stock	$ 1,503.5	$ 1,153.1	$ 1,445.8
PER COMMON SHARE
Net Income - Basic (in dollars per share)	$ 7.16	$ 5.48	$ 6.66
Net Income - Diluted (in dollars per share)	$ 7.14	$ 5.46	$ 6.63
Average Number of Common Shares Outstanding - Basic (in shares)	208,075,522	208,319,412	214,525,547
Average Number of Common Shares Outstanding - Diluted (in shares)	208,899,230	209,007,986	215,601,149