Business Combinations - Additional Information (Detail) $ in Millions		9 Months Ended
	Oct. 25, 2018 USD ($)	Mar. 31, 2019 USD ($) 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		$ 1,300
Business combination, number of business acquisitions | Acquisition		14