Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 1,196.6	$ 1,111.9	$ 3,505.6	$ 3,271.8
Foreign Exchange Trading Income	54.1	51.8	169.5	154.9
Treasury Management Fees	8.2	7.5	26.5	23.8
Security Commissions and Trading Income	35.5	30.9	107.7	101.7
Other Operating Income	111.8	68.2	1,097.5	170.2
Investment Security Gains (Losses), net	0.0	0.0	(189.3)	6.9
Total Noninterest Income	1,406.2	1,270.3	4,717.5	3,729.3
Net Interest Income
Interest Income	2,530.2	1,935.0	7,482.3	5,125.4
Interest Expense	1,967.9	1,478.8	5,869.0	3,626.5
Net Interest Income	562.3	456.2	1,613.3	1,498.9
Provision for Credit Losses	8.0	14.0	7.5	13.5
Net Interest Income after Provision for Credit Losses	554.3	442.2	1,605.8	1,485.4
Noninterest Expense
Compensation	583.6	558.1	1,875.9	1,757.8
Employee Benefits	109.2	100.8	310.5	303.2
Outside Services	256.3	229.6	746.5	671.3
Equipment and Software	270.4	232.5	800.6	693.5
Occupancy	53.8	58.7	162.7	173.8
Other Operating Expense	86.1	98.5	361.8	296.1
Total Noninterest Expense	1,359.4	1,278.2	4,258.0	3,895.7
Income before Income Taxes	601.1	434.3	2,065.3	1,319.0
Provision for Income Taxes	136.2	106.5	489.6	324.8
Net Income	464.9	327.8	1,575.7	994.2
Preferred Stock Dividends	16.2	16.2	37.1	37.1
Net Income Applicable to Common Stock	$ 448.7	$ 311.6	$ 1,538.6	$ 957.1
Per Common Share
Net Income — Basic (in dollars per share)	$ 2.23	$ 1.49	$ 7.53	$ 4.56
Net Income - Diluted (in dollars per share)	$ 2.22	$ 1.49	$ 7.51	$ 4.56
Average Number of Common Shares Outstanding
Basic (in shares)	199,937,543	207,021,554	202,614,386	207,611,420
Diluted (in shares)	200,549,063	207,252,992	203,131,400	207,927,720