Purchased Intangible Assets, Net

6 Months Ended

Oct. 30, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Purchased Intangible Assets, Net

4. Purchased Intangible Assets, Net

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

	October 30, 2015							April 24, 2015
	Gross		Accumulated			Net		Gross		Accumulated			Net
	Assets		Amortization			Assets		Assets		Amortization			Assets
Developed technology	$	304	$	(255	)	$	49	$	313	$	(225	)	$	88
Customer contracts/relationships		5		(3	)		2		5		(3	)		2
Other purchased intangibles		1		(1	)		—		3		(3	)		—
Total purchased intangible assets	$	310	$	(259	)	$	51	$	321	$	(231	)	$	90

During the six months ended October 30, 2015, we recorded a charge of $11 million to fully impair developed technology related to our fiscal 2013 acquisition of CacheIQ as a result of our discontinued use of such technology. The impairment charge is included in accumulated amortization in the table above.

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

	Three Months Ended				Six Months Ended				Statement of
	October 30, 2015		October 24, 2014		October 30, 2015		October 24, 2014		Operations Classifications
Developed technology	$	14	$	14	$	28	$	29	Cost of revenues
Customer contracts/relationships		—		—		—		—	Operating expenses
Total	$	14	$	14	$	28	$	29

As of October 30, 2015, future amortization expense related to purchased intangible assets is as follows (in millions):

Fiscal Year	Amount
Remainder of 2016	$	27
2017		10
2018		6
2019		5
2020		3
Total	$	51