Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Gain (Loss) (Details)

v3.25.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Gain (Loss) (Details) - Derivatives not designated as Hedging Instruments - Fair Value Hedges - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) $ 5 $ 31 $ (21)
Interest rate contracts | Capital markets and advisory fees      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) 37 30 47
Interest rate contracts | Mortgage banking income      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) (49) (10) (109)
Interest rate swaptions | Other noninterest income      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) 0 (24) 0
Foreign exchange contracts | Capital markets and advisory fees      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) 45 45 45
Credit contracts | Other noninterest income      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) (14) (2) 0
Commodities contracts | Capital markets and advisory fees      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) 4 5 5
Equity contracts | Other noninterest income and other noninterest expense      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative gain (loss) $ (18) $ (13) $ (9)