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Investments and Fair Value Measurements - Additional Information (Details) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2026 USD ($) | Mar. 31, 2026 USD ($) investment | Mar. 31, 2025 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Contractual obligation | $ 322 | $ 322 |
Number of investments in funds | investment |  | 2 |
Contractual obligation, term |  | 10 years |
Payments to acquire equity method investments | 178 |  |
Other Investments | 146 | $ 146 | $ 85
Venture Capital Fund 1 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Contractual obligation | 400 | 400 |
Venture Capital Fund 2 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Contractual obligation | $ 100 | $ 100 |

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