Operating Income (Loss) by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 13,891	$ 10,258	$ 26,577	$ 20,213
Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating Income (Loss)	5,182	4,015	9,964	7,896
Intelligent Cloud
Segment Reporting Information [Line Items]
Operating Income (Loss)	4,531	3,279	8,420	6,210
More Personal Computing
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 4,178	$ 2,964	$ 8,193	$ 6,107