Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data	12 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2009
Net revenue:
Product	$ 1,481	$ 1,412	$ 1,376
Service and other	2,370	2,043	1,733
Total net revenue	3,851	3,455	3,109
Cost of revenue:
Cost of product revenue	144	144	156
Cost of service and other revenue	510	460	422
Amortization of acquired technology	17	49	59
Selling and marketing	1,111	976	907
Research and development	634	573	556
General and administrative	354	348	284
Amortization of other acquired intangible assets	44	42	42
Goodwill and intangible asset impairment charge	30	0	0
Total costs and expenses	2,844	2,592	2,426
Operating income from continuing operations	1,007	863	683
Interest expense	(60)	(61)	(51)
Interest and other income, net	19	13	21
Income from continuing operations before income taxes	966	815	653
Income tax provision	332	276	206
Net income from continuing operations	634	539	447
Net income from discontinued operations	0	35	0
Net income	$ 634	$ 574	$ 447
Basic net income per share from continuing operations	$ 2.07	$ 1.71	$ 1.39
Basic net income per share from discontinued operations	$ 0.00	$ 0.11	$ 0.00
Basic net income per share	$ 2.07	$ 1.82	$ 1.39
Shares used in basic per share amounts	307	316	322
Diluted net income per share from continuing operations	$ 2	$ 1.66	$ 1.35
Diluted net income per share from discontinued operations	$ 0.00	$ 0.11	$ 0.00
Diluted net income per share	$ 2	$ 1.77	$ 1.35
Shares used in diluted per share amounts	317	325	330