Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 1,166.1	$ 1,096.3	$ 2,309.0	$ 2,159.9
Foreign Exchange Trading Income	58.4	50.1	115.4	103.1
Treasury Management Fees	9.0	7.9	18.3	16.3
Security Commissions and Trading Income	34.3	36.1	72.2	70.8
Other Operating Income	924.7	55.2	985.7	102.0
Investment Security Gains (Losses), net	0.1	0.0	(189.3)	6.9
Total Noninterest Income	2,192.6	1,245.6	3,311.3	2,459.0
Net Interest Income
Interest Income	2,506.5	1,735.0	4,952.1	3,190.4
Interest Expense	1,983.6	1,223.5	3,901.1	2,147.7
Net Interest Income	522.9	511.5	1,051.0	1,042.7
Provision for Credit Losses	8.0	(15.5)	(0.5)	(0.5)
Net Interest Income after Provision for Credit Losses	514.9	527.0	1,051.5	1,043.2
Noninterest Expense
Compensation	665.2	604.5	1,292.3	1,199.7
Employee Benefits	100.2	101.4	201.3	202.4
Outside Services	260.9	230.9	490.2	441.7
Equipment and Software	277.5	229.3	530.2	461.0
Occupancy	54.8	53.8	108.9	115.1
Other Operating Expense	175.3	112.0	275.7	197.6
Total Noninterest Expense	1,533.9	1,331.9	2,898.6	2,617.5
Income before Income Taxes	1,173.6	440.7	1,464.2	884.7
Provision for Income Taxes	277.5	108.9	353.4	218.3
Net Income	896.1	331.8	1,110.8	666.4
Preferred Stock Dividends	4.7	4.7	20.9	20.9
Net Income Applicable to Common Stock	$ 891.4	$ 327.1	$ 1,089.9	$ 645.5
Per Common Share
Net Income — Basic (in dollars per share)	$ 4.35	$ 1.56	$ 5.30	$ 3.07
Net Income - Diluted (in dollars per share)	$ 4.34	$ 1.56	$ 5.28	$ 3.07
Average Number of Common Shares Outstanding
Basic (in shares)	203,306,236	207,638,671	203,967,516	207,911,242
Diluted (in shares)	203,738,670	207,816,015	204,436,757	208,270,677