Operating Income by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Operating Income	$ 7,708	$ 6,715
Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating Income	3,006	2,905
Intelligent Cloud
Segment Reporting Information [Line Items]
Operating Income	2,137	1,777
More Personal Computing
Segment Reporting Information [Line Items]
Operating Income	$ 2,565	$ 2,033