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Business Combinations - Additional Information (Detail) - USD ($) $ in Millions | Aug. 04, 2017 | Jun. 15, 2017
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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 |
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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- 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 + Details
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