Goodwill and Purchased Intangible Assets, Net - Purchased Intangible Assets, Net (Detail) - USD ($) $ in Millions	Apr. 27, 2018	Apr. 28, 2017
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	$ 216	$ 200
Accumulated Amortization	(122)	(69)
Net Assets	94	131
Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	164	148
Accumulated Amortization	(80)	(44)
Net Assets	84	104
Customer Contracts/Relationships
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	43	43
Accumulated Amortization	(33)	(19)
Net Assets	10	24
Other Purchased Intangibles
Acquired Finite Lived Intangible Assets [Line Items]
Gross Assets	9	9
Accumulated Amortization	(9)	(6)
Net Assets	$ 0	$ 3

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=66006027&loc=d3e16323-109275

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- Definition

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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