STOCKHOLDERS' EQUITY (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012	Dec. 18, 2013
Dividends on Common Stock [Abstract]
Dividends per share, declared and paid (in dollars per share)		$ 0.12	$ 0.06	$ 0.24	$ 0.12
Dividends declared per share of outstanding common stock (in dollars per share)						$ 0.12
Dividend payable date				Jan. 28, 2014
Dividend record date				Jan. 07, 2014
Stock Repurchases (Narrative) [Abstract]
Approved expansion of stock repurchase program	$ 12,000
Amount available for future repurchases		8,300
Repurchases of common stock (in shares)				176.1	200.3
Repurchased amount				5,800	6,100
Repurchased shares that were not settled (in shares)				2.7
Repurchased amount that was not settled				97
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		183	192	382	386
Stock option grants (in shares)				120
Forfeitures and cancellations (in shares)				17
Weighted Average Input Assumptions Used and Resulting Fair Values [Abstract]
Expected life (in years)		4 years 8 months	4 years 8 months	5 years 1 month	5 years 1 month
Risk-free interest rate		1.30%	0.60%	1.40%	0.70%
Volatility		24.00%	30.00%	27.00%	31.00%
Dividend yield		1.50%	0.80%	1.60%	0.80%
Weighted-average fair value per share (in dollars per share)		$ 6.28	$ 11.66	$ 6.62	$ 7.99
Sales and marketing [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		39	43	81	81
Software license updates and product support [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		5	5	11	10
Hardware systems products [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		1	1	3	1
Hardware systems support [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		1	1	3	2
Services [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		7	8	13	17
Research and development [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		87	89	184	172
General and administrative [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		42	41	83	82
Acquisition related and other [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		$ 1	$ 4	$ 4	$ 21