Operating Income (Loss) by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 12,975	$ 10,341	$ 39,552	$ 30,554
Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating Income (Loss)	4,788	3,979	14,752	11,875
Intelligent Cloud
Segment Reporting Information [Line Items]
Operating Income (Loss)	4,560	3,208	12,980	9,418
More Personal Computing
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 3,627	$ 3,154	$ 11,820	$ 9,261