Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2012
Net revenue:
Product	$ 1,522	$ 1,515	$ 1,479
Service and other	2,984	2,656	2,329
Total net revenue	4,506	4,171	3,808
Cost of revenue:
Cost of product revenue	141	130	146
Cost of service and other revenue	501	429	429
Amortization of acquired technology	26	18	10
Selling and marketing	1,281	1,219	1,033
Research and development	758	685	618
General and administrative	465	422	381
Amortization of other acquired intangible assets	20	35	23
Total costs and expenses	3,192	2,938	2,640
Operating income from continuing operations	1,314	1,233	1,168
Interest expense	(31)	(30)	(50)
Interest and other income, net	31	7	20
Income from continuing operations before income taxes	1,314	1,210	1,138
Income tax provision	453	387	374
Net income from continuing operations	861	823	764
Net income from discontinued operations	46	35	28
Net income	$ 907	$ 858	$ 792
Basic net income per share from continuing operations	$ 3.02	$ 2.78	$ 2.58
Basic net income per share from discontinued operations	$ 0.16	$ 0.11	$ 0.09
Basic net income per share	$ 3.18	$ 2.89	$ 2.67
Shares used in basic per share calculations	285	297	296
Diluted net income per share from continuing operations	$ 2.96	$ 2.72	$ 2.51
Diluted net income per share from discontinued operations	$ 0.16	$ 0.11	$ 0.09
Diluted net income per share	$ 3.12	$ 2.83	$ 2.60
Shares used in diluted per share calculations	291	303	305
Dividends declared per common share	$ 0.76	$ 0.68	$ 0.60