v2.4.0.6
Document and Entity Information (USD $)
9 Months Ended
Mar. 31, 2012
Apr. 17, 2012
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q3  
Trading Symbol MSFT  
Entity Registrant Name MICROSOFT CORP  
Entity Central Index Key 0000789019  
Current Fiscal Year End Date --06-30  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Par Value Per Share $ 0.00000625  
Entity Common Stock, Shares Outstanding   8,400,866,103
I.R.S. Employer Identification No. 911144442