Revenue Classified by Significant Product and Service Offerings (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Revenue from External Customer [Line Items]
Revenue	$ 33,055	$ 29,084
Office Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	8,466	7,622
Server Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	9,192	7,058
Windows
Revenue from External Customer [Line Items]
Revenue	5,353	4,901
Gaming
Revenue from External Customer [Line Items]
Revenue	2,542	2,738
Search Advertising
Revenue from External Customer [Line Items]
Revenue	1,991	1,788
LinkedIn
Revenue from External Customer [Line Items]
Revenue	1,909	1,530
Devices
Revenue from External Customer [Line Items]
Revenue	1,202	1,261
Enterprise Services
Revenue from External Customer [Line Items]
Revenue	1,545	1,450
Other
Revenue from External Customer [Line Items]
Revenue	$ 855	$ 736