v3.26.3
DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Remaining maturity 1 year   1 year    
Notional Value $ 109,612   $ 109,612   $ 103,047
Derivative used in Mortgage Banking Activities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, fair value, net 40   40   2
Notional Value 2,042   2,042   2,658
Trading liabilities 79   79   18
Trading gains (losses) (80) $ 4 (82) $ 13  
Commitments to sell loans          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Commitments to sell residential real estate loans $ 1,800   $ 1,800   $ 1,200