CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Noninterest Income
Trust, Investment and Other Servicing Fees	$ 5,017.8	$ 4,727.8	$ 4,361.8
Foreign Exchange Trading Income	240.8	231.2	203.9
Treasury Management Fees	38.7	35.7	31.6
Security Commissions and Trading Income	170.4	150.5	135.0
Other Operating Income	207.7	1,157.4	228.7
Investment Security Gains (Losses), net	0.0	(189.3)	(169.5)
Total Noninterest Income	5,675.4	6,113.3	4,791.5
Net Interest Income
Interest Income	8,624.6	9,762.3	7,325.0
Interest Expense	6,213.6	7,585.2	5,343.0
Net Interest Income	2,411.0	2,177.1	1,982.0
Provision for Credit Losses	(7.5)	(3.0)	24.5
Net Interest Income after Provision for Credit Losses	2,418.5	2,180.1	1,957.5
Noninterest Expense
Compensation	2,571.3	2,471.1	2,321.8
Employee Benefits	462.1	417.8	405.2
Outside Services	988.5	998.0	906.5
Equipment and Software	1,169.9	1,075.0	945.5
Occupancy	217.3	216.8	232.3
Other Operating Expense	345.3	455.2	472.9
Total Noninterest Expense	5,754.4	5,633.9	5,284.2
Income before Income Taxes	2,339.5	2,659.5	1,464.8
Provision for Income Taxes	602.6	628.4	357.5
NET INCOME	1,736.9	2,031.1	1,107.3
Preferred Stock Dividends	41.8	41.8	41.8
Net Income Applicable to Common Stock	$ 1,695.1	$ 1,989.3	$ 1,065.5
PER COMMON SHARE
Net Income - Basic (in dollars per share)	$ 8.78	$ 9.80	$ 5.09
Net Income - Diluted (in dollars per share)	$ 8.74	$ 9.77	$ 5.08
Average Number of Common Shares Outstanding - Basic (in shares)	191,358,026	201,263,646	207,248,094
Average Number of Common Shares Outstanding - Diluted (in shares)	192,246,525	201,870,105	207,563,746