v3.25.2
Derivative Financial Instruments - Net Gains (Losses) Recorded in the Condensed Consolidated Statements of Income Relating to Free-Standing Derivative Instruments Used for Risk Management and Other Business Purposes (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 | Mortgage banking net revenue | MSR portfolio        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings $ 13 $ (16) $ 32 $ (62)
Forward contracts related to residential mortgage loans measured at fair value | Mortgage banking net revenue        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings (3) 1 (12) 6
Foreign exchange contracts | Other noninterest income        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings (6) 2 (5) 7
Equity contracts | Other noninterest income | Swap        
Derivative Instruments, Gain (Loss)        
Net gains (losses) recorded in earnings $ (1) $ (23) $ (19) $ (40)