Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 1,142.9	$ 1,063.6
Foreign Exchange Trading Income	57.0	53.0
Treasury Management Fees	9.3	8.4
Security Commissions and Trading Income	37.9	34.7
Other Operating Income	61.0	46.8
Investment Security Gains (Losses), net	(189.4)	6.9
Total Noninterest Income	1,118.7	1,213.4
Net Interest Income
Interest Income	2,445.6	1,455.4
Interest Expense	1,917.5	924.2
Net Interest Income	528.1	531.2
Provision for Credit Losses	(8.5)	15.0
Net Interest Income after Provision for Credit Losses	536.6	516.2
Noninterest Expense
Compensation	627.1	595.2
Employee Benefits	101.1	101.0
Outside Services	229.3	210.8
Equipment and Software	252.7	231.7
Occupancy	54.1	61.3
Other Operating Expense	100.4	85.6
Total Noninterest Expense	1,364.7	1,285.6
Income before Income Taxes	290.6	444.0
Provision for Income Taxes	75.9	109.4
Net Income	214.7	334.6
Preferred Stock Dividends	16.2	16.2
Net Income Applicable to Common Stock	$ 198.5	$ 318.4
Per Common Share
Net Income — Basic (in dollars per share)	$ 0.96	$ 1.51
Net Income - Diluted (in dollars per share)	$ 0.96	$ 1.51
Average Number of Common Shares Outstanding
Basic (in shares)	204,628,796	208,186,841
Diluted (in shares)	205,134,845	208,730,389