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Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail) - USD ($)
$ in Millions
12 Months Ended
Apr. 30, 2021
Apr. 24, 2020
Apr. 26, 2019
Segment Reporting Information [Line Items]      
Net revenues $ 5,744 $ 5,412 $ 6,146
United States, Canada And Latin America (Americas)      
Segment Reporting Information [Line Items]      
Net revenues 3,097 2,863 3,425
Europe, Middle East And Africa (EMEA)      
Segment Reporting Information [Line Items]      
Net revenues 1,775 1,742 1,847
Asia Pacific (APAC)      
Segment Reporting Information [Line Items]      
Net revenues $ 872 $ 807 $ 874