v3.26.1
Leases - Components of Lease Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Leases [Abstract]      
Operating lease costs $ 69 $ 121 $ 80
Variable lease costs 31 32 31
Total lease expense $ 100 $ 153 $ 111