Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
Net revenue:
Total net revenue	$ 5,964	$ 5,177	$ 4,694
Cost of revenue:
Amortization of acquired technology	15	12	22
Selling and marketing	1,634	1,420	1,289
Research and development	1,186	998	881
General and administrative	664	553	518
Amortization of other acquired intangible assets	6	2	12
Total costs and expenses	4,467	3,782	3,452
Operating income from continuing operations	1,497	1,395	1,242
Interest expense	(20)	(31)	(35)
Interest and other income (expense), net	26	3	(4)
Income from continuing operations before income taxes	1,503	1,367	1,203
Income tax provision	292	396	397
Net income from continuing operations	1,211	971	806
Net income from discontinued operations	0	0	173
Net income	$ 1,211	$ 971	$ 979
Basic net income per share from continuing operations (in dollars per share)	$ 4.72	$ 3.78	$ 3.08
Basic net income per share from discontinued operations (in dollars per share)	0	0	0.65
Basic net income per share (in dollars per share)	$ 4.72	$ 3.78	$ 3.73
Shares used in basic per share calculations (in shares)	256	257	262
Diluted net income per share from continuing operations (in dollars per share)	$ 4.64	$ 3.72	$ 3.04
Diluted net income per share from discontinued operations (in dollars per share)	0	0	0.65
Diluted net income per share (in dollars per share)	$ 4.64	$ 3.72	$ 3.69
Shares used in diluted per share calculations (in shares)	261	261	265
Cash dividends declared per common share (in dollars per share)	$ 1.56	$ 1.36	$ 1.20
Product
Net revenue:
Total net revenue	$ 1,462	$ 1,376	$ 1,289
Cost of revenue:
Cost of revenue	112	120	131
Service and other
Net revenue:
Total net revenue	4,502	3,801	3,405
Cost of revenue:
Cost of revenue	$ 850	$ 677	$ 599