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Restructuring Charges - Activities Related to Restructuring Reserves (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 24, 2025
Oct. 25, 2024
Oct. 24, 2025
Oct. 25, 2024
Restructuring and Related Activities [Abstract]        
Balance at beginning of period     $ 51 $ 10
Net charges $ 23 $ 12 25 29
Cash payments     (44) (22)
Balance at end of period $ 32 $ 17 $ 32 $ 17