Business Combinations - Additional Information (Detail) $ in Millions		6 Months Ended
Oct. 25, 2018 USD ($)	Dec. 31, 2018 USD ($) Acquisition
GitHub Inc
Business Acquisition [Line Items]
Acquisition date	Oct. 25, 2018
Total consideration transferred	$ 7,500
Cash paid to acquire the business	1,300
Transactions recognized separately from preliminary purchase price allocation	$ 600
Other
Business Acquisition [Line Items]
Cash paid to acquire the business		$ 959
Business combination, number of business acquisitions \| Acquisition		11

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

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