Balance Sheet Components - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Other Current Liabilities [Line Items] | ||
| Employee related payroll taxes and payables | $ 119 | $ 200 |
| Accrued expenses and fees | 145 | 99 |
| Electronic design automation liabilities | 78 | 47 |
| Trade payables (including payables to related parties of $20 and $11 as of March 31, 2026 and 2025, respectively) | 80 | 63 |
| Customer deposits | $ 0 | $ 7 |
| Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Total other current liabilities | Total other current liabilities |
| Finance lease liabilities | $ 25 | $ 10 |
| Total other current liabilities | 447 | 426 |
| Related Party | ||
| Other Current Liabilities [Line Items] | ||
| Trade payables (including payables to related parties of $20 and $11 as of March 31, 2026 and 2025, respectively) | 20 | 11 |
| Total other current liabilities | $ 20 | $ 11 |