v3.25.4
DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Long-term debt hedged items) (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets $ 29  
Available-for-sale 10,353 $ 10,601
Derivative amount 5,700  
Fair Value Hedging    
Derivative Instruments, Gain (Loss) [Line Items]    
Available-for-sale 9,600  
Fair Value Hedging | Hedges of floating-rate assets    
Derivative Instruments, Gain (Loss) [Line Items]    
Par value of hedged assets 11,566 11,388
Carrying amount of hedged assets 11,383 11,099
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets (183) (289)
Fair Value Hedging | Hedges of floating-rate liabilities    
Derivative Instruments, Gain (Loss) [Line Items]    
Par value of hedged liabilities (1,000) (500)
Carrying amount of hedged liabilities (1,009) (493)
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged liabilities $ (9) $ 7