v3.26.1
FINANCIAL ASSETS AND LIABILITIES - Derivative Financial Instruments (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Designated as hedging instruments | Derivative instruments in cash flow hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount $ 402 $ 357
Designated as hedging instruments | Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 1,249 1,985
Not designated as hedging instruments - economic hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 620 1,148
Foreign exchange contracts | Designated as hedging instruments | Derivative instruments in cash flow hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 402 357
Foreign exchange contracts | Designated as hedging instruments | Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 749 1,485
Foreign exchange contracts | Not designated as hedging instruments - economic hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 620 1,148
Cross-currency swap contracts | Designated as hedging instruments | Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount $ 500 $ 500