v3.25.4
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Debt securities available for sale $ 10,353 $ 10,601
U.S. Treasury, agencies, and corporations    
Derivative Instruments, Gain (Loss) [Line Items]    
Debt securities available for sale 1,500 $ 781
Asset Pledged as Collateral | Security repurchase agreements    
Derivative Instruments, Gain (Loss) [Line Items]    
Cash 20  
Asset Pledged as Collateral | Security repurchase agreements | U.S. Treasury, agencies, and corporations    
Derivative Instruments, Gain (Loss) [Line Items]    
Debt securities available for sale $ 200