CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Net revenue:
Net revenue	$ 1,525	$ 1,238	$ 3,073	$ 2,595
Costs and expenses:
Cost of revenue	708	581	1,418	1,215
Research and development	109	197	212	301
Selling, general and administrative	420	358	827	762
Total costs and expenses	1,237	1,136	2,457	2,278
Income from operations	288	102	616	317
Interest income	1	3	1	6
Interest expense	(20)	(20)	(39)	(40)
Other income (expense), net	4	36	7	57
Income before taxes	273	121	585	340
Provision for income taxes	57	20	81	42
Net income	$ 216	$ 101	$ 504	$ 298
Net income per share
Basic	$ 0.71	$ 0.33	$ 1.65	$ 0.96
Diluted	$ 0.70	$ 0.32	$ 1.64	$ 0.95
Weighted average shares used in computing net income per share:
Basic	304	309	305	310
Diluted	307	312	308	313
Product
Net revenue:
Net revenue	$ 1,150	$ 923	$ 2,322	$ 1,946
Costs and expenses:
Cost of revenue	504	417	1,013	871
Service, Other
Net revenue:
Net revenue	375	315	751	649
Costs and expenses:
Cost of revenue	$ 204	$ 164	$ 405	$ 344