Purchased Intangible Assets, Net (Tables)

9 Months Ended

Jan. 29, 2016

Goodwill And Intangible Assets Disclosure [Abstract]

Purchased Intangible Assets, Net

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

	January 29, 2016							April 24, 2015
	Gross		Accumulated			Net		Gross		Accumulated			Net
	Assets		Amortization			Assets		Assets		Amortization			Assets
Developed technology	$	304	$	(268	)	$	36	$	313	$	(225	)	$	88
Customer contracts/relationships		5		(4	)		1		5		(3	)		2
Other purchased intangibles		1		(1	)		—		3		(3	)		—
Total purchased intangible assets	$	310	$	(273	)	$	37	$	321	$	(231	)	$	90

Amortization Expense for Purchased Intangible Assets

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

	Three Months Ended				Nine Months Ended				Statement of
	January 29, 2016		January 23, 2015		January 29, 2016		January 23, 2015		Operations Classifications
Developed technology	$	13	$	18	$	41	$	47	Cost of revenues
Customer contracts/relationships		1		1		1		1	Operating expenses
Total	$	14	$	19	$	42	$	48

Future Amortization Expense Related to Purchased Intangible Assets

As of January 29, 2016, future amortization expense related to purchased intangible assets is as follows (in millions):

Fiscal Year	Amount
Remainder of 2016	$	13
2017		10
2018		6
2019		5
2020		3
Total	$	37