DEFERRED REVENUES (Details) - USD ($) $ in Millions	Nov. 30, 2021	May 31, 2021
Deferred Revenues [Line Items]
Deferred revenues, current	$ 7,937	$ 8,775
Deferred revenues, non-current (in other non-current liabilities)	738	679
Total deferred revenues	8,675	9,454
Cloud services and license support [Member] | Cloud and License [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	7,046	7,728
Hardware [Member] | Hardware [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	538	618
Services [Member] | Services [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	311	399
Cloud license and on-premise license [Member] | Cloud and License [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	$ 42	$ 30