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Business Combinations - Additional Information (Detail) - USD ($) $ in Millions	Aug. 04, 2017	Jun. 15, 2017	Mar. 24, 2017	Feb. 02, 2016
Plexistor Limited
Business Acquisition [Line Items]
Business acquisition cash paid		$ 24
Plexistor Limited | Developed Technology
Business Acquisition [Line Items]
Business acquisition cash paid		6
Greenqloud ehf
Business Acquisition [Line Items]
Business acquisition cash paid	$ 51
Greenqloud ehf | Developed Technology
Business Acquisition [Line Items]
Business acquisition cash paid	10
Privately Held Consulting and Software Development
Business Acquisition [Line Items]
Business acquisition cash paid			$ 8
SolidFire
Business Acquisition [Line Items]
Business acquisition cash paid				$ 850
Goodwill | Plexistor Limited
Business Acquisition [Line Items]
Business acquisition cash paid		$ 17
Goodwill | Greenqloud ehf
Business Acquisition [Line Items]
Business acquisition cash paid	$ 38

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+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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