DEFERRED REVENUES (Details) - USD ($) $ in Millions	Aug. 31, 2016	May 31, 2016
Deferred Revenues [Line Items]
Deferred revenues, current	$ 9,462	$ 7,655
Deferred revenues, non-current (in other non-current liabilities)	528	536
Total deferred revenues	9,990	8,191
Software license updates and product support [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	7,365	5,864
Cloud SaaS, PaaS and IaaS [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	909	705
Hardware support and other [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	750	675
Services business [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	372	339
New software licenses [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	$ 66	$ 72