Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2010
Net revenue:
Product	$ 1,479	$ 1,480	$ 1,412
Service and other	2,672	2,292	1,991
Total net revenue	4,151	3,772	3,403
Cost of revenue:
Cost of product revenue	145	143	144
Cost of service and other revenue	601	495	447
Amortization of acquired technology	14	12	43
Selling and marketing	1,118	1,040	913
Research and development	669	620	564
General and administrative	388	352	346
Amortization of other acquired intangible assets	39	43	42
Goodwill and intangible asset impairment charge	0	30	0
Total costs and expenses	2,974	2,735	2,499
Operating income (loss) from continuing operations	1,177	1,037	904
Interest expense	(50)	(60)	(61)
Interest and other income, net	24	19	13
Income from continuing operations before income taxes	1,151	996	856
Income tax provision	384	344	292
Net income (loss) from continuing operations	767	652	564
Net income (loss) from discontinued operations	25	(18)	10
Net income	$ 792	$ 634	$ 574
Basic net income per share from continuing operations	$ 2.59	$ 2.12	$ 1.79
Basic net income (loss) per share from discontinued operations	$ 0.08	$ (0.06)	$ 0.03
Basic net income per share	$ 2.67	$ 2.06	$ 1.82
Shares used in basic per share amounts	296	307	316
Diluted net income per share from continuing operations	$ 2.52	$ 2.06	$ 1.74
Diluted net income (loss) per share from discontinued operations	$ 0.08	$ (0.06)	$ 0.03
Diluted net income per share	$ 2.60	$ 2.00	$ 1.77
Shares used in diluted per share amounts	305	317	325
Dividends declared per common share	$ 0.60	$ 0.00	$ 0.00