| Component: (Network and Table) | |
|---|---|
| Network | 100880 - Disclosure - Long-term Debt (Detail) (http://www.xbrlsite.com/msft/role/DisclosureLongTermDebtDetail) |
| Table | Schedule of Long term Debt Instruments [Table] |
| Reporting Entity [Axis] | http://www.sec.gov/CIK (0000789019) |
| Legal Entity [Axis] | Entity [Domain] |