Major Classes of Assets and Liabilities Allocated Purchase Price (Parenthetical) (Detail) - USD ($) |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 08, 2016 |
|---|---|---|---|---|
| Business Acquisition [Line Items] | ||||
| Long-term debt | $ 72,781,000,000 | $ 76,898,000,000 | ||
| LinkedIn Corporation | ||||
| Business Acquisition [Line Items] | ||||
| Goodwill expected to be deductible for income tax purposes | $ 0 | |||
| Long-term debt | $ 18,000,000 |