Segment Revenue (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenue	$ 23,796	$ 26,470	$ 44,175	$ 49,671
Reportable Segments | Productivity and Business Processes
Segment Reporting Information [Line Items]
Revenue	6,690	6,822	12,990	13,312
Reportable Segments | Intelligent Cloud
Segment Reporting Information [Line Items]
Revenue	6,343	6,041	12,232	11,516
Reportable Segments | More Personal Computing
Segment Reporting Information [Line Items]
Revenue	12,660	13,282	22,114	24,548
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	$ (1,897)	$ 325	$ (3,161)	$ 295