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CONSOLIDATED STATEMENT OF OPERATIONS - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Net revenue:      
Net revenue $ 5,163 $ 4,914 $ 4,472
Costs and expenses:      
Cost of revenue 2,358 2,234 2,073
Research and development 404 387 341
Selling, general and administrative 1,460 1,389 1,251
Total costs and expenses 4,222 4,010 3,665
Income from operations 941 904 807
Interest income 36 38 22
Interest expense (74) (75) (79)
Other income (expense), net 16 79 53
Income before taxes 919 946 803
Provision (benefit) for income taxes (152) 630 119
Net income $ 1,071 $ 316 $ 684
Net income per share:      
Net income per share - basic $ 3.41 $ 0.98 $ 2.12
Net income per share - diluted $ 3.37 $ 0.97 $ 2.10
Weighted Averge Shares Used In Computing Net Income Per Share      
Basic (in shares) 314 321 322
Diluted (in shares) 318 325 326
Products      
Net revenue:      
Net revenue $ 3,877 $ 3,746 $ 3,397
Costs and expenses:      
Cost of revenue 1,680 1,595 1,473
Services and Other      
Net revenue:      
Net revenue 1,286 1,168 1,075
Costs and expenses:      
Cost of revenue $ 678 $ 639 $ 600