Operating Income (Loss) by Segment (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]
Operating income (loss)	$ 6,026	$ 7,776	$ 11,819	$ 13,620
Reportable Segments | Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating income (loss)	3,305	3,587	6,460	6,988
Reportable Segments | Intelligent Cloud
Segment Reporting Information [Line Items]
Operating income (loss)	2,580	2,600	4,977	4,705
Reportable Segments | More Personal Computing
Segment Reporting Information [Line Items]
Operating income (loss)	2,038	1,506	3,542	3,014
Corporate and Other
Segment Reporting Information [Line Items]
Operating income (loss)	$ (1,897)	$ 83	$ (3,160)	$ (1,087)