CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Net revenue:
Net revenue	$ 1,238	$ 1,238	$ 2,595	$ 2,522
Costs and expenses:
Cost of revenue	581	569	1,215	1,146
Research and development	197	99	301	201
Selling, general and administrative	358	354	762	709
Total costs and expenses	1,136	1,022	2,278	2,056
Income from operations	102	216	317	466
Interest income	3	10	6	20
Interest expense	(20)	(17)	(40)	(35)
Other income (expense), net	36	9	57	15
Income before taxes	121	218	340	466
Provision (benefit) for income taxes	20	36	42	(220)
Net income	$ 101	$ 182	$ 298	$ 686
Net income per share
Basic	$ 0.33	$ 0.57	$ 0.96	$ 2.16
Diluted	$ 0.32	$ 0.57	$ 0.95	$ 2.13
Weighted average shares used in computing net income per share:
Basic	309	317	310	318
Diluted	312	321	313	322
Product
Net revenue:
Net revenue	$ 923	$ 921	$ 1,946	$ 1,901
Costs and expenses:
Cost of revenue	417	400	871	814
Service, Other
Net revenue:
Net revenue	315	317	649	621
Costs and expenses:
Cost of revenue	$ 164	$ 169	$ 344	$ 332