v3.26.1
FINANCIAL ASSETS AND LIABILITIES - Derivative Financial Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Derivative instruments in cash flow hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount $ 694 $ 402
Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 1,138 1,249
Not designated as hedging instruments - economic hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 761 620
Foreign exchange contracts | Derivative instruments in cash flow hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 694 402
Foreign exchange contracts | Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 638 749
Foreign exchange contracts | Not designated as hedging instruments - economic hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount 761 620
Cross-currency swap contracts | Net investment hedges    
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount $ 500 $ 500