Goodwill and Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail) - USD ($) $ in Millions	Jul. 30, 2021	Apr. 30, 2021
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	$ 147	$ 256
Accumulated Amortization	(50)	(155)
Net Assets	97	101
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	106	215
Accumulated Amortization	(40)	(147)
Net Assets	66	68
Customer Contracts/Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	38	38
Accumulated Amortization	(9)	(8)
Net Assets	29	30
Other Purchased Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	3	3
Accumulated Amortization	(1)	0
Net Assets	$ 2	$ 3