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CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Apr. 30, 2022
Apr. 30, 2021
Net revenue:        
Net revenue $ 1,607 $ 1,525 $ 3,281 $ 3,073
Costs and expenses:        
Cost of revenue 746 708 1,510 1,418
Research and development 115 109 232 212
Selling, general and administrative 386 420 803 827
Total costs and expenses 1,247 1,237 2,545 2,457
Income from operations 360 288 736 616
Interest income 1 1 2 1
Interest expense (21) (20) (42) (39)
Other income (expense), net (7) 4 (44) 7
Income before taxes 333 273 652 585
Provision for income taxes 59 57 95 81
Net income $ 274 $ 216 $ 557 $ 504
Net income per share        
Basic $ 0.92 $ 0.71 $ 1.86 $ 1.65
Diluted $ 0.91 $ 0.70 $ 1.84 $ 1.64
Weighted average shares used in computing net income per share:        
Basic 299 304 300 305
Diluted 301 307 302 308
Product        
Net revenue:        
Net revenue $ 1,204 $ 1,150 $ 2,467 $ 2,322
Costs and expenses:        
Cost of revenue 530 504 1,075 1,013
Service and Other        
Net revenue:        
Net revenue 403 375 814 751
Costs and expenses:        
Cost of revenue $ 216 $ 204 $ 435 $ 405