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Goodwill and Purchased Intangible Assets, Net - Schedule of Goodwill Activity (Detail) - USD ($)
$ in Millions
12 Months Ended
Apr. 26, 2024
Apr. 28, 2023
Goodwill and Intangible Assets Disclosure [Abstract]    
Beginning balance $ 2,759 $ 2,346
Additions 0 413
Ending balance $ 2,759 $ 2,759