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Balance Sheet Components - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Mar. 31, 2025
--- | --- | ---
Other Current Liabilities [Line Items] |  |
Employee related payroll taxes and payables | $ 147 | $ 200
Accrued expenses and fees | 111 | 99
Electronic design automation liabilities | 63 | 47
Trade payables (including payables to related parties of $6 and $11 as of September 30, 2025 and March 31, 2025, respectively) | 67 | 63
Customer deposits | 7 | 7
Finance lease liabilities | 19 | 10
Total other current liabilities | 414 | 426
Related Parties |  |
Other Current Liabilities [Line Items] |  |
Trade payables (including payables to related parties of $6 and $11 as of September 30, 2025 and March 31, 2025, respectively) | 6 | 11
Total other current liabilities | $ 6 | $ 11

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