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CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Net revenue:        
Net revenue $ 1,274 $ 1,203 $ 3,796 $ 3,620
Costs and expenses:        
Cost of revenue 582 544 1,728 1,648
Research and development 101 97 302 283
Selling, general and administrative 366 341 1,075 1,029
Total costs and expenses 1,049 982 3,105 2,960
Income from operations 225 221 691 660
Interest income 10 9 30 28
Interest expense (18) (18) (53) (57)
Other income (expense), net 5 30 20 71
Income before taxes 222 242 688 702
Provision (benefit) for income taxes 31 6 (189) 581
Net income $ 191 $ 236 $ 877 $ 121
Net income per share        
Basic $ 0.61 $ 0.74 $ 2.78 $ 0.38
Diluted $ 0.60 $ 0.73 $ 2.74 $ 0.37
Weighted average shares used in computing net income per share:        
Basic (in shares) 312 320 316 322
Diluted (in shares) 316 324 320 326
Product        
Net revenue:        
Net revenue $ 949 $ 907 $ 2,850 $ 2,755
Costs and expenses:        
Cost of revenue 411 381 1,225 1,170
Service, Other        
Net revenue:        
Net revenue 325 296 946 865
Costs and expenses:        
Cost of revenue $ 171 $ 163 $ 503 $ 478