Segment Revenue (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Segment Reporting Information [Line Items]        
Revenue $ 20,531 $ 21,729 $ 64,706 $ 71,400
Reportable Segments | Productivity and Business Processes        
Segment Reporting Information [Line Items]        
Revenue 6,522 6,457 19,518 19,769
Reportable Segments | Intelligent Cloud        
Segment Reporting Information [Line Items]        
Revenue 6,096 5,903 18,331 17,419
Reportable Segments | More Personal Computing        
Segment Reporting Information [Line Items]        
Revenue 9,458 9,369 31,563 33,917
Corporate and Other        
Segment Reporting Information [Line Items]        
Revenue $ (1,545) $ 0 $ (4,706) $ 295