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 | ||||||||