CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Net revenue:
Net revenue	$ 1,261	$ 1,274	$ 3,856	$ 3,796
Costs and expenses:
Cost of revenue	592	582	1,807	1,728
Research and development	92	101	393	302
Selling, general and administrative	347	366	1,109	1,075
Total costs and expenses	1,031	1,049	3,309	3,105
Income from operations	230	225	547	691
Interest income	1	10	7	30
Interest expense	(19)	(18)	(59)	(53)
Other income (expense), net	7	5	64	20
Income before taxes	219	222	559	688
Provision (benefit) for income taxes	20	31	62	(189)
Net income	$ 199	$ 191	$ 497	$ 877
Net income per share
Basic	$ 0.64	$ 0.61	$ 1.61	$ 2.78
Diluted	$ 0.64	$ 0.60	$ 1.59	$ 2.74
Weighted average shares used in computing net income per share:
Basic	309	312	309	316
Diluted	312	316	312	320
Product
Net revenue:
Net revenue	$ 932	$ 949	$ 2,878	$ 2,850
Costs and expenses:
Cost of revenue	422	411	1,293	1,225
Service, Other
Net revenue:
Net revenue	329	325	978	946
Costs and expenses:
Cost of revenue	$ 170	$ 171	$ 514	$ 503