Segment Revenue (Detail) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenue		$ 24,090	$ 23,796	$ 44,543	$ 44,175
Reportable Segments | Productivity and Business Processes
Segment Reporting Information [Line Items]
Revenue		7,382	6,690	14,040	12,996
Reportable Segments | Intelligent Cloud
Segment Reporting Information [Line Items]
Revenue		6,861	6,343	13,243	12,235
Reportable Segments | More Personal Computing
Segment Reporting Information [Line Items]
Revenue		11,823	12,473	21,117	21,935
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	[1]	$ (1,976)	$ (1,710)	$ (3,857)	$ (2,991)

[1] Corporate and Other revenue and operating loss for the three and six months ended December 31, 2016 and 2015 consisted of the net revenue deferral related to sales of Windows 10.