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Business Combinations - Components of Intangible Assets Acquired (Detail) - SolidFire $ in Millions |  | 12 Months Ended
--- | --- | ---
Apr. 29, 2016 USD ($) | Apr. 29, 2016 USD ($)
Business Acquisition [Line Items] |  |
Intangible assets | $ 168 | $ 168
Developed Technology |  |
Business Acquisition [Line Items] |  |
Intangible assets | 99 | $ 99
Useful Life (Years) |  | 5 years
Customer Contracts/Relationships |  |
Business Acquisition [Line Items] |  |
Intangible assets | 41 | $ 41
Useful Life (Years) |  | 3 years
Trade Name |  |
Business Acquisition [Line Items] |  |
Intangible assets | 9 | $ 9
Useful Life (Years) |  | 2 years
Intangible Assets Subject to Amortization |  |
Business Acquisition [Line Items] |  |
Intangible assets | 149 | $ 149
In Process Research and Development |  |
Business Acquisition [Line Items] |  |
Intangible assets | $ 19 |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition 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. + References No definition available. + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. + References No definition available. + Details
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