| Component: (Network and Table) | |
|---|---|
| Network | 1071 - Disclosure - Components of Property and Equipment (Detail) (http://www.microsoft.com/taxonomy/role/DisclosureComponentsOfPropertyAndEquipment) |
| Table | Property, Plant and Equipment [Table] |
| Reporting Entity [Axis] | 0000789019 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Property, Plant and Equipment [Line Items] | Period [Axis] | |
|---|---|---|
2013-06-30 | 2012-06-30 | |
Land | 525,000,000 | 528,000,000 |
Buildings and improvements | 7,326,000,000 | 6,768,000,000 |
Leasehold improvements | 2,946,000,000 | 2,550,000,000 |
Computer equipment and software | 9,242,000,000 | 7,298,000,000 |
Furniture and equipment | 2,465,000,000 | 2,087,000,000 |
Total, at cost | 22,504,000,000 | 19,231,000,000 |
Accumulated depreciation | (12,513,000,000) | (10,962,000,000) |
Total, net | 9,991,000,000 | 8,269,000,000 |