v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - Cash Flow Hedges and Economic Hedges (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Derivative Instruments, Gain (Loss) [Line Items]    
Notional Value $ 45,059 $ 44,024
Net losses recognized in AOCI expected to be reclassed 11  
Loans    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional Value $ 28,303 $ 28,278