Segment Revenue (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenue	$ 41,706	$ 35,021	$ 121,936	$ 104,982
Productivity and Business Processes
Segment Reporting Information [Line Items]
Revenue	13,552	11,743	39,224	34,646
Intelligent Cloud
Segment Reporting Information [Line Items]
Revenue	15,118	12,281	42,705	34,995
More Personal Computing
Segment Reporting Information [Line Items]
Revenue	$ 13,036	$ 10,997	$ 40,007	$ 35,341