Segment Geographic and Significant Customer Information - Schedule of Revenues by Geographic Region (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jan. 29, 2021	Jan. 24, 2020	Jan. 29, 2021	Jan. 24, 2020
Segment Reporting Information [Line Items]
Net revenues	$ 1,470	$ 1,404	$ 4,189	$ 4,011
United States, Canada And Latin America (Americas)
Segment Reporting Information [Line Items]
Net revenues	778	695	2,268	2,101
Europe, Middle East And Africa (EMEA)
Segment Reporting Information [Line Items]
Net revenues	474	494	1,279	1,298
Asia Pacific (APAC)
Segment Reporting Information [Line Items]
Net revenues	$ 218	$ 215	$ 642	$ 612