Goodwill and Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail) - USD ($) $ in Millions	Jan. 26, 2024	Apr. 28, 2023
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	$ 299	$ 336
Accumulated Amortization	(161)	(155)
Total	138	181
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	179	212
Accumulated Amortization	(100)	(107)
Total	79	105
Customer Contracts/Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	114	118
Accumulated Amortization	(56)	(44)
Total	58	74
Other Purchased Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	6	6
Accumulated Amortization	(5)	(4)
Total	$ 1	$ 2