DEFERRED REVENUES (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2013	May 31, 2013
Deferred Revenues [Line Items]
Deferred revenues, current	$ 6,667	$ 7,118
Deferred revenues, non-current (in other non-current liabilities)	344	312
Total deferred revenues	7,011	7,430
Software license updates and product support [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	5,415	5,705
Hardware systems support and other [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	611	706
Services [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	337	381
New software licenses and cloud software subscriptions [Member]
Deferred Revenues [Line Items]
Deferred revenues, current	$ 304	$ 326