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Derivatives and Hedging Activities - Schedule of Derivative Instruments Not Designated as Cash Flow Hedges (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 25, 2024
Oct. 27, 2023
Oct. 25, 2024
Oct. 27, 2023
Foreign Exchange Forward Contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Foreign currency exchange contracts $ 1 $ (45) $ 14 $ (49)