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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 | 228 Months Ended
--- | --- | ---
Apr. 29, 2022 | Apr. 30, 2021 | Apr. 24, 2020 | Apr. 29, 2022
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Number of shares repurchased | 7 | 2 | 25 | 347
Average price per share | $ 84.49 | $ 67.61 | $ 56.34 | $ 39.95
Stock repurchases allocated | $ 600 | $ 125 | $ 1,411 |
Remaining authorization at end of period | 1,252 | 352 | 477 | $ 1,252
Additional Paid-in Capital |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Stock repurchases allocated | 20 | 3 | 625 |
Retained Earnings (Accumulated Deficit) |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Stock repurchases allocated | $ 580 | $ 122 | $ 786 |

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