Operating Income (Loss) by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 9,955	$ 7,708
Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating Income (Loss)	3,881	3,006
Intelligent Cloud
Segment Reporting Information [Line Items]
Operating Income (Loss)	2,931	2,137
More Personal Computing
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 3,143	$ 2,565