Goodwill And Intangible Assets - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Disclosure Of Intangible Assets [Line Items] | |||
| Research and development expense | $ 153 | $ 135 | $ 129 |
| Panaya | |||
| Disclosure Of Intangible Assets [Line Items] | |||
| Goodwill pertaining to subsidiaries | $ 117 | $ 117 | |