Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Net revenue:
Net revenue:	$ 1,323	$ 1,165
Cost of revenue:
Amortization of acquired technology	7	6
Selling and marketing	362	383
Research and development	325	334
General and administrative	169	146
Amortization of other acquired intangible assets	2	2
Total costs and expenses	1,114	1,155
Operating income	209	10
Interest expense	(8)	(2)
Interest and other income, net	9	14
Income before income taxes	210	22
Income tax provision (benefit)	12	(35)
Net income	$ 198	$ 57
Earnings Per Share, Basic
Basic net income per share (in dollars per share)	$ 0.75	$ 0.22
Shares used in basic per share calculations (in shares)	263,000,000	261,000,000
Earnings Per Share, Diluted
Diluted net income per share (in dollars per share)	$ 0.75	$ 0.22
Shares used in diluted per share calculations (in shares)	265,000,000	264,000,000
Dividends
Cash dividends declared per common share (in dollars per share)	$ 0.59	$ 0.53
Product
Net revenue:
Net revenue:	$ 367	$ 353
Cost of revenue:
Cost of revenue	15	17
Service and other
Net revenue:
Net revenue:	956	812
Cost of revenue:
Cost of revenue	$ 234	$ 267