v3.24.1.1.u2
Financial Instruments - Summary of Reconciliation of Cash Flow Hedge Reserve (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Disclosure of detailed information about financial instruments [abstract]      
Balance at the beginning of the period $ 0 $ 1 $ 2
Gain / (Loss) recognized in other comprehensive income during the period 1 12 14
Amount reclassified to profit or loss during the period 1 (13) (15)
Tax impact on above (1)    
Balance at the end of the period $ 1 $ 0 $ 1