CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Noninterest Income
Trust, Investment and Other Servicing Fees		$ 1,341.4	$ 1,213.8
Foreign Exchange Trading Income		87.7	58.7
Security Commissions and Trading Income		52.1	39.1
Other Operating Income(1)	[1]	70.4	60.3
Investment Security Gains (Losses), net		0.0	0.0
Total Noninterest Income		1,551.6	1,371.9
Net Interest Income
Interest Income		2,234.0	2,140.9
Interest Expense		1,580.0	1,572.8
Net Interest Income		654.0	568.1
Provision for Credit Losses		(3.0)	1.0
Net Interest Income after Provision for Credit Losses		657.0	567.1
Noninterest Expense
Compensation and Benefits		822.2	754.1
Outside Services		236.7	245.2
Equipment and Software		308.1	280.9
Occupancy		51.3	53.4
Other Operating Expense		89.7	84.0
Total Noninterest Expense		1,508.0	1,417.6
Income before Income Taxes		700.6	521.4
Provision for Income Taxes		175.1	129.4
Net Income		525.5	392.0
Preferred Stock Dividends		16.2	16.2
Net Income Applicable to Common Stock		$ 509.3	$ 375.8
Per Common Share
Net Income — Basic (in dollars per share)		$ 2.72	$ 1.91
Net Income — Diluted (in dollars per share)		$ 2.71	$ 1.90
Average Number of Common Shares Outstanding
Basic (in shares)		185,499,213	195,192,789
Diluted (in shares)		186,538,735	196,124,971

[1] Beginning in Q1 2026, Treasury Management Fees are included within Other Operating Income. The prior period has been revised to conform to the current year presentation.