Goodwill and Purchased Intangible Assets, Net (Tables)

12 Months Ended

Apr. 28, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill Activity

Goodwill activity is summarized as follows (in millions):

Balance as of April 24, 2015	$	1,027
Goodwill acquired		649
Balance as of April 29, 2016		1,676
Goodwill acquired		8
Balance as of April 28, 2017	$	1,684

Purchased Intangible Assets

Purchased intangible assets are summarized below (in millions):

	April 28, 2017							April 29, 2016
	Gross		Accumulated			Net		Gross		Accumulated			Net
	Assets		Amortization			Assets		Assets		Amortization			Assets
Developed technology	$	148	$	(44	)	$	104	$	403	$	(289	)	$	114
Customer contracts/relationships		43		(19	)		24		46		(7	)		39
Other purchased intangibles		9		(6	)		3		10		(2	)		8
Total intangible assets subject to amortization		200		(69	)		131		459		(298	)		161
In-process research and development		—		—			—		19		—			19
Total purchased intangible assets	$	200	$	(69	)	$	131	$	478	$	(298	)	$	180

Amortization Expense for Purchased Intangible Assets

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

	Year Ended						Statement of
	April 28, 2017		April 29, 2016		April 24, 2015		Operations Classifications
Developed technology	$	29	$	61	$	63	Cost of revenues
Customer contracts/relationships		14		5		1	Operating expenses
Other purchased intangibles		5		1		—	Operating expenses
Total	$	48	$	67	$	64

Future Amortization Expense Related to Purchased Intangible Assets

As of April 28, 2017, future amortization expense related to purchased intangible assets is as follows (in millions):

Fiscal Year	Amount
2018	$	49
2019		42
2020		25
2021		15
Total	$	131