v3.25.2
Derivative Financial Instruments - Net Gains (Losses) Recorded in the Consolidated Statements of Income Relating to Free-Standing Derivative Instruments Used For Customer Accommodation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Interest rate contracts | Contract revenue | Capital market fees        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings $ 7 $ 6 $ 15 $ 11
Interest rate contracts | Credit portion of fair value adjustment | Other noninterest expense        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings (1) 1 (4) 3
Interest rate contracts | Interest rate lock commitments | Mortgage banking net revenue        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings 12 11 26 20
Commodity contracts | Contract revenue | Capital market fees        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings 4 4 10 8
Commodity contracts | Credit portion of fair value adjustment | Other noninterest expense        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings 0 0 0 1
Foreign exchange contracts | Other noninterest income        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings (6) 2 (5) 7
Foreign exchange contracts | Contract revenue | Capital market fees        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings 19 23 38 40
Foreign exchange contracts | Contract revenue | Other noninterest income        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings $ (23) $ (12) $ (33) $ (8)