Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 1,096.3	$ 1,143.4	$ 2,159.9	$ 2,311.8
Foreign Exchange Trading Income	50.1	77.6	103.1	158.5
Treasury Management Fees	7.9	10.6	16.3	21.7
Security Commissions and Trading Income	36.1	32.8	70.8	69.0
Other Operating Income	55.2	45.6	102.0	86.7
Investment Security Gains (Losses), net	0.0	0.0	6.9	0.0
Total Noninterest Income	1,245.6	1,310.0	2,459.0	2,647.7
Net Interest Income
Interest Income	1,735.0	524.8	3,190.4	908.3
Interest Expense	1,223.5	66.1	2,147.7	68.6
Net Interest Income	511.5	458.7	1,042.7	839.7
(Release of) Provision for Credit Losses	(15.5)	4.5	(0.5)	6.5
Net Interest Income after Provision for Credit Losses	527.0	454.2	1,043.2	833.2
Noninterest Expense
Compensation	604.5	546.5	1,199.7	1,110.4
Employee Benefits	101.4	119.6	202.4	223.9
Outside Services	230.9	213.1	441.7	426.5
Equipment and Software	229.3	203.5	461.0	397.0
Occupancy	53.8	51.0	115.1	102.1
Other Operating Expense	112.0	89.9	197.6	169.6
Total Noninterest Expense	1,331.9	1,223.6	2,617.5	2,429.5
Income before Income Taxes	440.7	540.6	884.7	1,051.4
Provision for Income Taxes	108.9	144.4	218.3	265.9
Net Income	331.8	396.2	666.4	785.5
Preferred Stock Dividends	4.7	4.7	20.9	20.9
Net Income Applicable to Common Stock	$ 327.1	$ 391.5	$ 645.5	$ 764.6
Per Common Share
Net Income — Basic (in dollars per share)	$ 1.56	$ 1.86	$ 3.07	$ 3.64
Net Income - Diluted (in dollars per share)	$ 1.56	$ 1.86	$ 3.07	$ 3.63
Average Number of Common Shares Outstanding
Basic (in shares)	207,638,671	208,383,991	207,911,242	208,205,469
Diluted (in shares)	207,816,015	208,878,350	208,270,677	208,843,934