Operating Income (Loss) by Segment (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]
Operating Income (Loss)	$ 17,048	$ 12,975	$ 50,821	$ 39,552
Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating Income (Loss)	6,029	4,788	17,916	14,752
Intelligent Cloud
Segment Reporting Information [Line Items]
Operating Income (Loss)	6,425	4,560	18,339	12,980
More Personal Computing
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 4,594	$ 3,627	$ 14,566	$ 11,820