v3.26.3
DERIVATIVE FINANCIAL INSTRUMENTS - INTEREST RATE AND FOREIGN CURRENCY DERIVATIVES (Details)
$ in Millions, $ in Billions
1 Months Ended 9 Months Ended
Aug. 31, 2026
USD ($)
Mar. 31, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
MXN ($)
Dec. 31, 2025
USD ($)
Derivative [Line Items]            
Termination of interest rate swaps, net of transaction costs   $ 96 $ 96 $ 0    
SI Partners            
Derivative [Line Items]            
Payments for derivatives $ 22          
Interest rate swaps de-designated            
Derivative [Line Items]            
Derivative, terminated amount   $ 1,200        
Interest rate swaps | Derivatives not designated as hedging instruments: | Disposal Group Held-for-sale | SI Partners            
Derivative [Line Items]            
Disposal group, derivative liability     2,000     $ 3,200
Foreign exchange instruments | Derivatives not designated as hedging instruments:            
Derivative [Line Items]            
Notional amount of derivative     796   $ 13.8  
Foreign exchange instruments | Derivatives not designated as hedging instruments: | Disposal Group Held-for-sale | SI Partners            
Derivative [Line Items]            
Notional amount of derivative     418   $ 7.5  
Foreign exchange instruments | Derivatives not designated as hedging instruments: | Disposal Group Held-for-sale | SI Partners            
Derivative [Line Items]            
Disposal group, derivative liability     100     0
Cash Flow Hedging | Interest rate instruments | Disposal Group Held-for-sale | SI Partners            
Derivative [Line Items]            
Disposal group, derivative liability     230     244
Cash Flow Hedging | Interest rate swaps            
Derivative [Line Items]            
Notional amounts     1,900     2,300
Cash Flow Hedging | Foreign exchange instruments | Disposal Group Held-for-sale | SI Partners            
Derivative [Line Items]            
Disposal group, derivative liability     $ 41     $ 172