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CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2019
Apr. 30, 2018
Net revenue:        
Revenues $ 1,090 $ 990 $ 2,096 $ 1,827
Costs and expenses:        
Cost of Goods and Services Sold 442 451 870 863
Research and development 171 160 344 310
Selling, general and administrative 300 305 588 600
Other operating expense (income), net (8) (12) (12) (15)
Total costs and expenses 905 904 1,790 1,758
Income from operations 185 86 306 69
Interest income 6 2 10 5
Interest expense (20) (21) (40) (43)
Other income (expense), net 22 16 37 29
Income before taxes 193 83 313 60
Provision (benefit) for income taxes 40 19 46 (98)
Net income $ 153 $ 64 $ 267 $ 158
Net income per share:        
Basic (in dollars per share) $ 0.81 $ 0.34 $ 1.42 $ 0.84
Diluted (in dollars per share) $ 0.80 $ 0.34 $ 1.40 $ 0.83
Weighted average shares used in computing net income per share:        
Basic (in shares) 188 188 188 187
Diluted (in shares) 191 190 191 190
Products        
Net revenue:        
Revenues $ 911 $ 830 $ 1,748 $ 1,514
Costs and expenses:        
Cost of Goods and Services Sold 360 370 707 709
Services and other        
Net revenue:        
Revenues 179 160 348 313
Costs and expenses:        
Cost of Goods and Services Sold $ 82 $ 81 $ 163 $ 154