Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Net revenue:
Revenues	$ 1,696	$ 1,502	$ 2,861	$ 2,518
Cost of revenue:
Amortization of acquired technology	6	5	12	10
Selling and marketing	593	548	976	894
Research and development	333	295	667	589
General and administrative	159	140	305	277
Amortization of other acquired intangible assets	1	1	3	3
Total costs and expenses	1,426	1,269	2,581	2,295
Operating income	270	233	280	223
Interest expense	(3)	(4)	(5)	(8)
Interest and other income, net	15	6	29	6
Income before income taxes	282	235	304	221
Income tax provision (benefit)	(42)	(46)	(7)	2
Net income	$ 240	$ 189	$ 297	$ 223
Earnings Per Share, Basic
Basic net income per share (in dollars per share)	$ 0.92	$ 0.73	$ 1.14	$ 0.86
Shares used in basic per share calculations (in shares)	261	260	261	260
Earnings Per Share, Diluted
Diluted net income per share (in dollars per share)	$ 0.91	$ 0.72	$ 1.13	$ 0.84
Shares used in diluted per share calculations (in shares)	264	264	264	264
Dividends
Cash dividends declared per common share (in dollars per share)	$ 0.53	$ 0.47	$ 1.06	$ 0.94
Product
Net revenue:
Revenues	$ 545	$ 533	$ 898	$ 880
Cost of revenue:
Cost of revenue	24	26	41	41
Service and other
Net revenue:
Revenues	1,151	969	1,963	1,638
Cost of revenue:
Cost of revenue	$ 310	$ 254	$ 577	$ 481