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Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail) - USD ($)
$ in Millions
12 Months Ended
Apr. 28, 2017
Apr. 29, 2016
Apr. 24, 2015
Segment Reporting Information [Line Items]      
Net revenues $ 5,519 $ 5,546 $ 6,123
United States, Canada And Latin America (Americas)      
Segment Reporting Information [Line Items]      
Net revenues 3,077 3,067 3,447
Europe, Middle East And Africa (EMEA)      
Segment Reporting Information [Line Items]      
Net revenues 1,712 1,757 1,857
Asia Pacific (APAC)      
Segment Reporting Information [Line Items]      
Net revenues $ 730 $ 722 $ 819