Unearned Revenue by Segment (Detail) - USD ($) $ in Millions |
Sep. 30, 2016 |
Jun. 30, 2016 |
|---|---|---|
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | $ 33,588 | $ 33,909 |
| Reportable Segments | Productivity and Business Processes | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | 11,486 | 12,497 |
| Reportable Segments | Intelligent Cloud | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | 10,322 | 11,472 |
| Reportable Segments | More Personal Computing | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | 3,298 | 3,334 |
| Corporate and Other | ||
| Deferred Revenue Arrangement [Line Items] | ||
| Unearned revenue | $ 8,482 | $ 6,606 |