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Operating Income (Loss) by Segment (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 13,407	$ 12,975	$ 13,891	$ 12,686	$ 12,405	$ 10,341	$ 10,258	$ 9,955	$ 52,959	$ 42,959	$ 35,058
Productivity and Business Processes
Segment Reporting Information [Line Items]
Operating Income (Loss)									18,724	16,219	12,924
Intelligent Cloud
Segment Reporting Information [Line Items]
Operating Income (Loss)									18,324	13,920	11,524
More Personal Computing
Segment Reporting Information [Line Items]
Operating Income (Loss)									$ 15,911	$ 12,820	$ 10,610

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

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