Revenue Classified by Significant Product and Service Offerings (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Revenue from External Customer [Line Items]
Revenue	$ 168,088	$ 143,015	$ 125,843
Server Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	52,589	41,379	32,622
Office Products and Cloud Services
Revenue from External Customer [Line Items]
Revenue	39,872	35,316	31,769
Windows
Revenue from External Customer [Line Items]
Revenue	23,227	22,294	20,395
Gaming
Revenue from External Customer [Line Items]
Revenue	15,370	11,575	11,386
LinkedIn
Revenue from External Customer [Line Items]
Revenue	10,289	8,077	6,754
Search Advertising
Revenue from External Customer [Line Items]
Revenue	8,528	7,740	7,628
Devices
Revenue from External Customer [Line Items]
Revenue	6,791	6,457	6,095
Enterprise Services
Revenue from External Customer [Line Items]
Revenue	6,943	6,409	6,124
Other
Revenue from External Customer [Line Items]
Revenue	$ 4,479	$ 3,768	$ 3,070