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Stockholders' Equity - Number and Value of Shares Netted for Employee Taxes (Detail) - Restricted Stock Units - USD ($)
shares in Millions, $ in Millions
12 Months Ended
Apr. 25, 2025
Apr. 26, 2024
Apr. 28, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares withheld for taxes 2 2 1
Fair value of shares withheld $ 199 $ 128 $ 84