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Stockholders' Equity - Summary of Activities Related to Stock Repurchase Program (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended | 225 Months Ended
--- | --- | --- | ---
Jan. 28, 2022 | Jan. 29, 2021 | Jan. 28, 2022 | Jan. 29, 2021 | Jan. 28, 2022
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |
Number of shares repurchased |  |  | 4 |  | 344
Average price per share |  |  | $ 86.63 |  | $ 39.58
Stock repurchases allocated | $ 125 | $ 50 | $ 350 | $ 50 |
Remaining authorization at end of period | 502 |  | 502 |  | $ 502
Additional Paid-in Capital |  |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchases allocated |  |  | 10 |  |
Retained Earnings |  |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchases allocated | $ 121 | $ 49 | $ 340 | $ 49 |

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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