Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Net revenue:
Product	$ 1,376	$ 1,289	$ 1,146
Service and other	3,801	3,405	3,046
Total net revenue	5,177	4,694	4,192
Cost of revenue:
Cost of product revenue	120	131	139
Cost of service and other revenue	677	599	556
Amortization of acquired technology	12	22	30
Selling and marketing	1,420	1,289	1,288
Research and development	998	881	798
General and administrative	553	518	483
Amortization of other acquired intangible assets	2	12	12
Goodwill and intangible asset impairment charges	0	0	148
Total costs and expenses	3,782	3,452	3,454
Operating income from continuing operations	1,395	1,242	738
Interest expense	(31)	(35)	(27)
Interest and other income (expense), net	3	(4)	1
Income from continuing operations before income taxes	1,367	1,203	712
Income tax provision	396	397	299
Net income from continuing operations	971	806	413
Net income (loss) from discontinued operations	0	173	(48)
Net income	$ 971	$ 979	$ 365
Basic net income per share from continuing operations (in dollars per share)	$ 3.78	$ 3.08	$ 1.47
Basic net income (loss) per share from discontinued operations (in dollars per share)	0	0.65	(0.17)
Basic net income per share (in dollars per share)	$ 3.78	$ 3.73	$ 1.30
Shares used in basic per share calculations (in shares)	257	262	281
Diluted net income per share from continuing operations (in dollars per share)	$ 3.72	$ 3.04	$ 1.45
Diluted net income (loss) per share from discontinued operations (in dollars per share)	0	0.65	(0.17)
Diluted net income per share (in dollars per share)	$ 3.72	$ 3.69	$ 1.28
Shares used in diluted per share calculations (in shares)	261	265	286
Cash dividends declared per common share (in dollars per share)	$ 1.36	$ 1.20	$ 1.00