Unearned Revenue by Segment (Detail) - USD ($) $ in Millions |
Jun. 30, 2017 |
Jun. 30, 2016 |
|---|---|---|
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | $ 44,479 | $ 33,909 |
| Reportable Segments | Productivity and Business Processes | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | 14,291 | 12,497 |
| Reportable Segments | Intelligent Cloud | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | 13,464 | 11,472 |
| Reportable Segments | More Personal Computing | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | 3,420 | 3,334 |
| Corporate and Other | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | $ 13,304 | $ 6,606 |