RESTRUCTURING ACTIVITIES Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Aug. 31, 2012	May 31, 2012
Restructuring activities [Narrative] [Abstract]
Fiscal 2013 Oracle Restructuring Plan, total expected program cost	$ 297
Fiscal 2013 Oracle Restructuring Plan, expenses	137
Fiscal 2013 Oracle Restructuring Plan, remaining expenses to incur	160
Fiscal 2013 Oracle Restructuring Plan, expected completion date	May 31, 2014
Total Restructuring Liabilities [Abstract]
Facilities related restructuring, contract termination and other costs	27
Accrued restructuring liabilities, current (in other current liabilities)	207	178
Accrued restructuring liabilities, non-current (in other non-current liabilities)	$ 143	$ 159

Date the exit and disposal activities were completed or are expected to be completed, in CCYY-MM-DD format.

Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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