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Goodwill and Other Intangible Assets, Net - Carrying Amount and Accumulated Amortization of Intangible Assets (Details) - USD ($) $ in Millions	Oct. 30, 2015	Apr. 24, 2015
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, Non-Amortizable	$ 769	$ 720
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Amortizable	30,778	30,329
Accumulated Amortization	(3,816)	(2,948)
IPR&D [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, Non-Amortizable	769	470
Tradenames [Member]
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, Non-Amortizable	0	250
Customer-related [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Amortizable	18,579	18,492
Accumulated Amortization	(801)	(273)
Purchased technology and patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Amortizable	11,265	11,118
Accumulated Amortization	(2,560)	(2,268)
Trademarks and tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Amortizable	850	640
Accumulated Amortization	(408)	(363)
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount, Amortizable	84	79
Accumulated Amortization	$ (47)	$ (44)

X

- 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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- Definition

Amount before 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 of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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

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