DEFERRED REVENUES (Details) (USD $) In Millions, unless otherwise specified	Aug. 31, 2014	May 31, 2014
Deferred Revenues [Line Items]
Deferred revenues, current	$ 8,939	$ 7,269
Deferred revenues, non-current (in other non-current liabilities)	464	404
Total deferred revenues	9,403	7,673
Software license updates and product support [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	7,498	5,909
Hardware systems support and other [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	738	664
Services [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	376	364
Cloud SaaS, PaaS and IaaS [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	249	248
New software licenses [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	$ 78	$ 84