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Business Combinations - Additional Information (Detail) $ in Millions |  | 12 Months Ended
--- | --- | ---
Oct. 25, 2018 USD ($) | Jun. 30, 2020 USD ($) 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 |  | $ 2,400
Business combination, number of business acquisitions | Acquisition |  | 15

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