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CONSOLIDATED STATEMENT OF OPERATIONS - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Net revenue:      
Net revenue $ 6,319 $ 5,339 $ 5,163
Costs and expenses:      
Cost of revenue 2,912 2,502 2,358
Research and development 441 495 404
Selling, general and administrative 1,619 1,496 1,460
Total costs and expenses 4,972 4,493 4,222
Income from operations 1,347 846 941
Interest income 2 8 36
Interest expense (81) (78) (74)
Other income (expense), net 92 66 16
Income before taxes 1,360 842 919
Provision (benefit) for income taxes 150 123 (152)
Net income $ 1,210 $ 719 $ 1,071
Net income per share:      
Net income per share - basic $ 3.98 $ 2.33 $ 3.41
Net income per share - diluted $ 3.94 $ 2.30 $ 3.37
Weighted Averge Shares Used In Computing Net Income Per Share      
Basic (in shares) 304 309 314
Diluted (in shares) 307 312 318
Products      
Net revenue:      
Net revenue $ 4,756 $ 3,993 $ 3,877
Costs and expenses:      
Cost of revenue 2,078 1,796 1,680
Services and Other      
Net revenue:      
Net revenue 1,563 1,346 1,286
Costs and expenses:      
Cost of revenue $ 834 $ 706 $ 678