CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Net revenue:
Net revenue	$ 1,284	$ 1,211
Costs and expenses:
Cost of revenue	577	541
Research and development	102	94
Selling, general and administrative	355	347
Total costs and expenses	1,034	982
Income from operations	250	229
Interest income	10	9
Interest expense	(18)	(20)
Other income (expense), net	6	15
Income before taxes	248	233
Provision (benefit) for income taxes	(256)	553
Net income (loss)	$ 504	$ (320)
Net income (loss) per share
Basic	$ 1.58	$ (0.99)
Diluted	$ 1.57	$ (0.99)
Weighted average shares used in computing net income (loss) per share:
Basic (in shares)	318	323
Diluted (in shares)	322	323
Product [Member]
Net revenue:
Net revenue	$ 980	$ 930
Costs and expenses:
Cost of revenue	414	386
Service, Other [Member]
Net revenue:
Net revenue	304	281
Costs and expenses:
Cost of revenue	$ 163	$ 155

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Name:	us-gaap_CostOfGoodsAndServicesSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Total costs of sales and operating expenses for the period.