Goodwill and Purchased Intangible Assets, Net (Tables)

12 Months Ended

Apr. 30, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill Activity

Goodwill activity is summarized as follows (in millions):

	Amount
Balance as of April 26, 2019	$	1,735
Additions		43
Balance as of April 24, 2020		1,778
Additions		261
Balance as of April 30, 2021	$	2,039

Purchased Intangible Assets, Net

Purchased intangible assets, net are summarized below (in millions):

	April 30, 2021							April 24, 2020
	Gross		Accumulated			Net		Gross		Accumulated			Net
	Assets		Amortization			Assets		Assets		Amortization			Assets
Developed technology	$	215	$	(147	)	$	68	$	192	$	(152	)	$	40
Customer contracts/relationships		38		(8	)		30		4		—			4
Other purchased intangibles		3		—			3		—		—			—
Total purchased intangible assets	$	256	$	(155	)	$	101	$	196	$	(152	)	$	44

Amortization Expense for Purchased Intangible Assets

Amortization expense for purchased intangible assets is summarized below (in millions):

	Year Ended						Statements of
	April 30, 2021		April 24, 2020		April 26, 2019		Income Classifications
Developed technology	$	41	$	39	$	36	Cost of revenues
Customer contracts/relationships		8		—		10	Operating expenses
Total	$	49	$	39	$	46

Future Amortization Expense Related to Purchased Intangible Assets

As of April 30, 2021, future amortization expense related to purchased intangible assets is as follows (in millions):

Fiscal Year	Amount
2022	$	36
2023	29
2024	17
2025	16
2026	3
Total	$	101