Business Combinations - Additional Information (Detail) - LinkedIn Corporation - USD ($) $ in Billions		3 Months Ended
Dec. 08, 2016	Sep. 30, 2017
Business Acquisition [Line Items]
Acquisition date	Dec. 08, 2016
Name of acquired entity		LinkedIn
Total purchase price	$ 27.0
Cash paid to acquire the business	$ 26.9

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 25
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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.

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- Definition

Name of the acquired entity.

+ References

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Publisher FASB
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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

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