Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Apr. 30, 2011	Apr. 30, 2010	Apr. 30, 2011	Apr. 30, 2010
Net revenue:
Product	$ 602	$ 564	$ 1,248	$ 1,191
Service and other	1,246	1,043	2,010	1,727
Total net revenue	1,848	1,607	3,258	2,918
Cost of revenue:
Cost of product revenue	32	34	110	117
Cost of service and other revenue	132	118	384	341
Amortization of acquired technology	4	5	13	43
Selling and marketing	351	309	901	766
Research and development	164	141	478	426
General and administrative	93	102	271	267
Amortization of other acquired intangible assets	11	10	33	31
Total costs and expenses	787	719	2,190	1,991
Operating income from continuing operations	1,061	888	1,068	927
Interest expense	(15)	(15)	(45)	(46)
Interest and other income, net	6	5	20	12
Income from continuing operations before income taxes	1,052	878	1,043	893
Income tax provision	364	302	352	306
Net income from continuing operations	688	576	691	587
Net income from discontinued operations				35
Net income	$ 688	$ 576	$ 691	$ 622
Basic net income per share from continuing operations	$ 2.27	$ 1.83	$ 2.23	$ 1.86
Basic net income per share from discontinued operations				$ 0.11
Basic net income per share	$ 2.27	$ 1.83	$ 2.23	$ 1.97
Shares used in basic per share calculations	303	314	309	316
Diluted net income per share from continuing operations	$ 2.20	$ 1.78	$ 2.16	$ 1.80
Diluted net income per share from discontinued operations				$ 0.11
Diluted net income per share	$ 2.20	$ 1.78	$ 2.16	$ 1.91
Shares used in diluted per share calculations	313	323	319	325