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Restructuring Charges - Activities Related to Restructuring Reserves (Detail) - USD ($)
$ in Millions
3 Months Ended
Jul. 25, 2025
Jul. 26, 2024
Restructuring and Related Activities [Abstract]    
Balance at beginning of period $ 51 $ 10
Net charges 2 17
Cash payments (37) (9)
Balance at end of period $ 16 $ 18