DEFERRED REVENUES (Details) - USD ($) $ in Millions	Aug. 31, 2015	May. 31, 2015
Deferred Revenues [Line Items]
Deferred revenues, current	$ 9,078	$ 7,245
Deferred revenues, non-current (in other non-current liabilities)	525	393
Total deferred revenues	9,603	7,638
Software license updates and product support [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	7,287	5,635
Hardware support and other [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	764	703
Services [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	380	379
Cloud SaaS, PaaS and IaaS [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	512	404
New software licenses [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	$ 135	$ 124