STOCKHOLDERS' EQUITY (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended
	Sep. 30, 2012	Aug. 31, 2012	Aug. 31, 2011	Sep. 20, 2012	Jun. 18, 2012
Dividends on Common Stock [Abstract]
Dividends per share, declared and paid (in dollars per share)		$ 0.06	$ 0.06
Dividends declared per share outstanding common stock (in dollars per share)				$ 0.06
Dividend payable date	Nov. 02, 2012
Dividend record date	Oct. 12, 2012
Stock Repurchases (Narrative) [Abstract]
Approved expansion of stock repurchase program					$ 10,000
Amount available for future repurchases		10,000
Repurchases of common stock (in shares)		104.2	27.5
Repurchased amount		3,100	823
Repurchased shares that were not settled (in shares)		4.3
Repurchased amount that was not settled		135
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		193	148
Stock option grants and assumed stock options		110
Forfeitures and cancellations		4
Weighted Average Input Assumptions Used and Resulting Fair Values [Abstract]
Expected life (in years)		5 years 1 month	5 years 2 months
Risk-free interest rate		0.70%	1.70%
Volatility		32.00%	30.00%
Dividend yield		0.80%	0.70%
Weighted-average fair value per share		$ 7.83	$ 8.78
Sales and marketing [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		37	26
Software license updates and product support [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		5	4
Hardware systems products [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation			1
Hardware systems support [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		1	1
Services [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		9	4
Research and development [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		83	71
General and administrative [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		41	40
Acquisition related and other [Member]
Stock-based Compensation Expense [Line Items]
Total stock-based compensation		$ 17	$ 1