v3.26.1
Revenue from Contracts with Customers (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers $ 1,749 $ 1,643 $ 1,435
Other noninterest income 971 927 951
Noninterest income 2,842 809 2,470
Contract assets 0 0  
Contract liabilities 0 0  
Trust and investment services income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 558 518 478
Investment banking and debt placement fees      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 551 521 344
Services charges on deposit accounts      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 295 261 269
Cards and payments income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 337 331 332
Other noninterest income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 8 12 12
Operating Segments | Consumer Bank      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 810 774 767
Noninterest income 957 924 938
Operating Segments | Consumer Bank | Trust and investment services income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 483 449 410
Operating Segments | Consumer Bank | Investment banking and debt placement fees      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 0 0 0
Operating Segments | Consumer Bank | Services charges on deposit accounts      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 144 135 158
Operating Segments | Consumer Bank | Cards and payments income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 175 178 187
Operating Segments | Consumer Bank | Other noninterest income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 8 12 12
Operating Segments | Commercial Bank      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 939 869 668
Noninterest income 1,763 1,646 1,448
Operating Segments | Commercial Bank | Trust and investment services income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 75 69 68
Operating Segments | Commercial Bank | Investment banking and debt placement fees      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 551 521 344
Operating Segments | Commercial Bank | Services charges on deposit accounts      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 151 126 111
Operating Segments | Commercial Bank | Cards and payments income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 162 153 145
Operating Segments | Commercial Bank | Other noninterest income      
Disaggregation of Revenue [Line Items]      
Total revenue from contracts with customers 0 0 0
Other      
Disaggregation of Revenue [Line Items]      
Noninterest income $ 122 $ (1,761) $ 84