Income Taxes - Schedule of Cash Paid for Income Taxes, Net of Refunds (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Mar. 31, 2026
USD ($)
| |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| United Kingdom | $ 0 |
| Total cash paid for income taxes | 223 |
| China | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | 81 |
| Taiwan | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | 51 |
| South Korea | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | 30 |
| United States | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | 17 |
| Singapore | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | 18 |
| India | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | 12 |
| Other foreign jurisdictions | |
| Income Tax Paid, by Individual Jurisdiction [Line Items] | |
| Foreign | $ 14 |