v3.26.1
Provisions and Other Contingencies - Summary of Movement in the Provision for Post Sales Client Support and Other Provisions (Details)
$ in Millions
12 Months Ended
Mar. 31, 2026
USD ($)
Disclosure of other provisions [abstract]  
Balance at the beginning $ 155
Provision recognized / (reversed) 54
Provision utilized (50)
Balance at the end $ 159