LEGAL PROCEEDINGS (Details) (USD $) In Millions	12 Months Ended
May 31, 2011	Jun. 22, 2011
SAP intellectual property litigation [Abstract]
Jury award from SAP intellectual property litigation	$ 1,300
SAP appeal bond related to SAP intellectual property litigation		$ 1,300

Name:

orcl_SAPBondRelatedToSAPIntellectualPropertyLitigation

Namespace Prefix:

orcl

Data Type:

xbrli:monetaryItemType

Balance Type:

na

Period Type:

instant