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Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Oct. 30, 2020
Oct. 25, 2019
Oct. 30, 2020
Oct. 25, 2019
Segment Reporting Information [Line Items]        
Net revenues $ 1,416 $ 1,371 $ 2,719 $ 2,607
United States, Canada And Latin America (Americas)        
Segment Reporting Information [Line Items]        
Net revenues 781 771 1,490 1,406
Europe, Middle East And Africa (EMEA)        
Segment Reporting Information [Line Items]        
Net revenues 422 402 805 804
Asia Pacific (APAC)        
Segment Reporting Information [Line Items]        
Net revenues $ 213 $ 198 $ 424 $ 397