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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Apr. 29, 2022 | Apr. 30, 2021 | Apr. 24, 2020 | Apr. 26, 2019
Income Tax Contingency [Line Items] |  |  |  |
Deferred tax assets, increase in valuation allowance | $ 4 |  |  |
Operating loss and credit carryforwards, expiration dates range, minimum | 2023 |  |  |
Operating loss and credit carryforwards, expiration dates range, maximum | 2042 |  |  |
Gross unrecognized tax benefits | $ 220 | $ 221 | $ 211 | $ 296
Gross unrecognized tax benefits included in other long-term liabilities | 131 | 127 |  |
Unrecognized tax benefits that would affect provision for income taxes | 130 |  |  |
Tax penalties and interest on unrecognized tax benefits | 4 | 1 | $ 8 |
Accrued tax penalties and interest on unrecognized tax benefits | 15 | $ 11 |  |
Federal Income Tax |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating loss carry forwards | 10 |  |  |
State and Local Income Tax |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating loss carry forwards | 33 |  |  |
Tax credit carry forward amount | 133 |  |  |
Foreign Income Tax |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating loss carry forwards | 4 |  |  |
Tax credit carry forward amount | $ 29 |  |  |

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