v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - MSR Hedging Activities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Remaining maturity 1 year   1 year    
Notional Value $ 111,887   $ 111,887   $ 103,047
Derivative used in Mortgage Banking Activities          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, fair value, net 4   4   2
Notional Value 2,525   2,525   2,658
Trading liabilities 21   21   18
Trading gains (losses) 8 $ (6) (2) $ 9  
Commitments to sell loans          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Commitments to sell residential real estate loans $ 1,900   $ 1,900   $ 1,200