Revenue Classified by Significant Product and Service Offerings (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Revenue from External Customer [Line Items]
Revenue	$ 37,154	$ 33,055
Server Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	11,195	9,192
Office Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	9,278	8,466
Windows
Revenue from External Customer [Line Items]
Revenue	5,305	5,353
Gaming
Revenue from External Customer [Line Items]
Revenue	3,092	2,542
LinkedIn
Revenue from External Customer [Line Items]
Revenue	2,206	1,909
Search Advertising
Revenue from External Customer [Line Items]
Revenue	1,789	1,991
Enterprise Services
Revenue from External Customer [Line Items]
Revenue	1,637	1,545
Devices
Revenue from External Customer [Line Items]
Revenue	1,620	1,202
Other
Revenue from External Customer [Line Items]
Revenue	$ 1,032	$ 855