CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Net revenue:
Net revenue	$ 4,914	$ 4,472	$ 4,202
Costs and expenses:
Cost of revenue	2,227	2,063	2,005
Research and development	385	339	329
Selling, general and administrative	1,374	1,229	1,253
Total costs and expenses	3,986	3,631	3,587
Income from operations	928	841	615
Interest income	38	22	11
Interest expense	(75)	(79)	(72)
Other income (expense), net	55	19	(10)
Income before taxes	946	803	544
Provision for income taxes	630	119	82
Net income	$ 316	$ 684	$ 462
Net income per share:
Net income per share - basic	$ 0.98	$ 2.12	$ 1.42
Net income per share - diluted	$ 0.97	$ 2.10	$ 1.40
Weighted Averge Shares Used In Computing Net Income Per Share
Basic (in shares)	321	322	326
Diluted (in shares)	325	326	329
Cash dividends declared per common share	$ 0.596	$ 0.528	$ 0.460
Product [Member]
Net revenue:
Net revenue	$ 3,746	$ 3,397	$ 3,213
Costs and expenses:
Cost of revenue	1,588	1,462	1,457
Services and Other
Net revenue:
Net revenue	1,168	1,075	989
Costs and expenses:
Cost of revenue	$ 639	$ 601	$ 548