Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail) - USD ($) $ in Millions	Oct. 30, 2015	Apr. 24, 2015
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	$ 310	$ 321
Accumulated Amortization	(259)	(231)
Net Assets	51	90
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	304	313
Accumulated Amortization	(255)	(225)
Net Assets	49	88
Customer Contracts/Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	5	5
Accumulated Amortization	(3)	(3)
Net Assets	2	2
Other Purchased Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	1	3
Accumulated Amortization	(1)	(3)
Net Assets	$ 0	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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