Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail) - USD ($) $ in Millions	Oct. 28, 2016	Apr. 29, 2016
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	$ 200	$ 478
Accumulated Amortization	(42)	(298)
Net Assets	158	180
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	148	403
Accumulated Amortization	(28)	(289)
Net Assets	120	114
Customer Contracts/Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	43	46
Accumulated Amortization	(11)	(7)
Net Assets	32	39
Other Purchased Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	9	10
Accumulated Amortization	(3)	(2)
Net Assets	6	8
Intangible Assets Subject to Amortization
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	200	459
Accumulated Amortization	(42)	(298)
Net Assets	158	161
In Process Research and Development
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	0	19
Accumulated Amortization	0	0
Net Assets	$ 0	$ 19

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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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=66006027&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.

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