Segment Revenue (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenue	$ 24,538	$ 21,928
Productivity and Business Processes
Segment Reporting Information [Line Items]
Revenue	8,238	6,436
Intelligent Cloud
Segment Reporting Information [Line Items]
Revenue	6,922	6,097
More Personal Computing
Segment Reporting Information [Line Items]
Revenue	$ 9,378	$ 9,395