DEFERRED REVENUES (Details) - USD ($) $ in Millions |
Nov. 30, 2019 |
May 31, 2019 |
|---|---|---|
| Deferred Revenues [Line Items] | ||
| Deferred revenues, current | $ 8,087 | $ 8,374 |
| Deferred revenues, non-current (in other non-current liabilities) | 615 | 669 |
| Total deferred revenues | 8,702 | 9,043 |
| Cloud services and license support [Member] | Cloud and License [Member] | ||
| Deferred Revenues [Line Items] | ||
| Deferred revenues, current | 7,126 | 7,340 |
| Hardware [Member] | Hardware [Member] | ||
| Deferred Revenues [Line Items] | ||
| Deferred revenues, current | 585 | 635 |
| Services [Member] | Services [Member] | ||
| Deferred Revenues [Line Items] | ||
| Deferred revenues, current | 327 | 360 |
| Cloud license and on-premise license [Member] | Cloud and License [Member] | ||
| Deferred Revenues [Line Items] | ||
| Deferred revenues, current | $ 49 | $ 39 |