v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - INTEREST RATE AND FOREIGN CURRENCY DERIVATIVES (Details)
$ in Millions, $ in Billions
1 Months Ended 6 Months Ended
Mar. 31, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
MXN ($)
Mar. 31, 2026
MXN ($)
Dec. 31, 2025
USD ($)
Derivative [Line Items]            
Termination of interest rate swaps, net of transaction costs $ 96 $ 96 $ 0      
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   1,952       $ 3,189
Foreign exchange instruments | Derivatives not designated as hedging instruments:            
Derivative [Line Items]            
Notional amount of derivative   783   $ 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         $ 7.5  
Foreign exchange instruments | Derivatives not designated as hedging instruments: | Disposal Group Held-for-sale | SI Partners | Minimum            
Derivative [Line Items]            
Notional amount of derivative 411          
Foreign exchange instruments | Derivatives not designated as hedging instruments: | Disposal Group Held-for-sale | SI Partners | Maximum            
Derivative [Line Items]            
Notional amount of derivative $ 422          
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   1,826       2,286
Cash Flow Hedging | Foreign exchange instruments | Disposal Group Held-for-sale | SI Partners            
Derivative [Line Items]            
Disposal group, derivative liability   $ 80       $ 172