Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Net revenue:
Product	$ 638	$ 598	$ 1,267	$ 1,239
Service and other	1,540	1,328	2,526	2,261
Total net revenue	2,178	1,926	3,793	3,500
Cost of revenue:
Cost of product revenue	30	32	102	116
Cost of service and other revenue	152	162	459	444
Amortization of acquired technology	5	3	16	9
Selling and marketing	406	352	1,029	898
Research and development	177	163	534	490
General and administrative	108	101	315	288
Amortization of other acquired intangible assets	7	2	21	33
Goodwill and intangible asset impairment charge	46	0	46	0
Total costs and expenses	931	815	2,522	2,278
Operating income from continuing operations	1,247	1,111	1,271	1,222
Interest expense	(8)	(12)	(23)	(42)
Interest and other income, net	3	9	6	23
Income before income taxes	1,242	1,108	1,254	1,203
Income tax provision	420	372	412	404
Net income from continuing operations	822	736	842	799
Net income (loss) from discontinued operations	0	(2)	32	(11)
Net income	$ 822	$ 734	$ 874	$ 788
Basic Net Income (Loss) Per Share
Basic net income per share from continuing operations (In dollars per share)	$ 2.77	$ 2.50	$ 2.84	$ 2.69
Basic net income (loss) per share from discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.11	$ (0.04)
Basic net income per share (in dollars per share)	$ 2.77	$ 2.49	$ 2.95	$ 2.65
Shares used in basic per share calculations (shares)	297	295	296	297
Diluted Net Income (Loss) Per Share
Diluted net income per share from continuing operations (in dollars per share)	$ 2.71	$ 2.43	$ 2.78	$ 2.61
Diluted net income (loss) per share from discontinued operations (in dollars per share)	$ 0.00	$ (0.01)	$ 0.11	$ (0.03)
Diluted net income per share (in dollars per share)	$ 2.71	$ 2.42	$ 2.89	$ 2.58
Shares used in diluted per share calculations (shares)	304	303	303	306
Dividends declared per common share (in dollars per share)	$ 0.17	$ 0.15	$ 0.51	$ 0.45