Leases - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Disclosure Of Leases [Line Items] | |||
| Rental expense recorded for short-term leases | $ 10 | $ 12 | $ 12 |
| Information about exposure arising from leases not yet commenced to which lessee is committed | Leases not yet commenced to which Group is committed is $21 million for a lease term ranging from 3 years to 5 years. | ||
| Leases not yet commenced | $ 21 | ||
| Bottom of Range | |||
| Disclosure Of Leases [Line Items] | |||
| Lease term | 3 years | ||
| Top of Range | |||
| Disclosure Of Leases [Line Items] | |||
| Lease term | 5 years | ||