ACQUISITIONS (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended			12 Months Ended		12 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2012 Fiscal 2013 Acquisitions [Member]	May 31, 2012 Taleo Corporation [Member]	Apr. 05, 2012 Taleo Corporation [Member]	May 31, 2012 RightNow Technologies, Inc. [Member]	Jan. 25, 2012 RightNow Technologies, Inc. [Member]	Nov. 30, 2012 Pillar Data Systems, Inc. [Member]	Nov. 30, 2012 Pillar Data Systems, Inc. [Member]	May 31, 2012 Pillar Data Systems, Inc. [Member]	Jul. 18, 2011 Pillar Data Systems, Inc. [Member]	May 31, 2012 Other Fiscal 2012 Acquisitions [Member]
Acquisitions [Line Items]
Materiality of acquisitions individually or in the aggregate					These acquisitions were not significant individually or in the aggregate.
Acquisition completion date						Apr. 05, 2012		Jan. 25, 2012				Jul. 18, 2011
Merger agreement date												Jun. 29, 2011
Total purchase price							$ 2,000		$ 1,500					$ 1,600
Purchase price payable consisting of estimated fair value of the liability for contingent consideration													346
Cash portion of purchase price							2,000		1,500					1,600
Fair value of stock options and restricted stock-based awards assumed							10		14					5
Identifiable intangible assets recorded							1,100		697				142	540
Net tangible assets (liabilities) assumed							(267)		(247)				(16)	18
Residual goodwill							1,200		1,100				220	1,100
Estimated fair value of the Earn-Out Liability										258	258
Amount of Earn-Out that an affiliate of Mr. Ellison has the first preference right to receive													565
Percentage right that an affiliate of Mr. Ellison has over any amount of the Earn-Out that exceeds $565 million													55.00%
Net benefit to acquisition related and other expenses	145		129							145	129
Acquisitions Pro Forma [Abstract]
Total revenues	9,095	8,987	17,282	17,555
Net income	$ 2,580	$ 2,116	$ 4,602	$ 3,858
Basic earnings per share (in dollars per share)	$ 0.54	$ 0.42	$ 0.95	$ 0.76
Diluted earnings per share (in dollars per share)	$ 0.53	$ 0.41	$ 0.94	$ 0.75