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Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended | 251 Months Ended
--- | --- | ---
Apr. 26, 2024 | Apr. 28, 2023 | Apr. 29, 2022 | Apr. 26, 2024
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Number of shares repurchased |  |  |  | 372
Average price per share |  |  |  | $ 42.04
Stock repurchases allocated | $ 900 | $ 850 | $ 600 |
Stock Repurchase Program |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Number of shares repurchased | 12 | 13 | 7 |
Average price per share | $ 77.87 | $ 66.42 | $ 84.49 |
Stock repurchases allocated | $ 798 | $ 805 | $ 580 |
Remaining authorization at end of period | 502 | 402 | 1,252 | $ 502
Additional Paid-in Capital | Stock Repurchase Program |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Stock repurchases allocated | 102 | 45 | 20 |
Retained Earnings (Accumulated Deficit) |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Stock repurchases allocated | $ 798 | $ 805 | $ 580 |

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