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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 | 263 Months Ended
--- | --- | ---
Apr. 25, 2025 | Apr. 26, 2024 | Apr. 28, 2023 | Apr. 25, 2025
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Number of shares repurchased |  |  |  | 382.0
Average price per share |  |  |  | $ 43.93
Stock repurchases allocated | $ 1,150 | $ 900 | $ 850 |
Stock Repurchase Program |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Number of shares repurchased | 10.2 | 11.5 | 12.8 |
Average price per share | $ 112.55 | $ 77.87 | $ 66.42 |
Stock repurchases allocated | $ 1,100 | $ 798 | $ 805 |
Remaining authorization at end of period | 352 | 502 | 402 | $ 352
Additional Paid-in Capital | Stock Repurchase Program |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Stock repurchases allocated | 50 | 102 | 45 |
Retained Earnings (Accumulated Deficit) |  |  |  |
Equity Class Of Treasury Stock [Line Items] |  |  |  |
Stock repurchases allocated | $ 1,100 | $ 798 | $ 805 |

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