Stock-based Compensation - Schedule of Stock-Based Compensation Expense Recognized in the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||
| Stock-based compensation expense | $ 94 | $ 95 | $ 80 |
| Cost of revenue | |||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||
| Stock-based compensation expense | 35 | 44 | 43 |
| General and administrative expenses | |||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | |||
| Stock-based compensation expense | $ 59 | $ 51 | $ 37 |