Operating Income (Loss) by Segment (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]
Operating income (loss)	$ 5,283	$ 6,594	$ 17,102	$ 20,214
Reportable Segments | Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating income (loss)	2,994	3,204	9,461	10,192
Reportable Segments | Intelligent Cloud
Segment Reporting Information [Line Items]
Operating income (loss)	2,188	2,533	7,168	7,238
Reportable Segments | More Personal Computing
Segment Reporting Information [Line Items]
Operating income (loss)	1,645	1,049	5,178	4,063
Corporate and Other
Segment Reporting Information [Line Items]
Operating income (loss)	$ (1,544)	$ (192)	$ (4,705)	$ (1,279)