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REVENUE - Revenue by End Markets (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Net revenue $ 1,756 $ 1,674
Pharmaceutical and Biopharmaceutical    
Net revenue 639 602
Chemical and Advanced Materials    
Net revenue 406 373
Diagnostics and Clinical    
Net revenue 239 243
Food    
Net revenue 160 158
Academia and Government    
Net revenue 146 141
Environmental and Forensics    
Net revenue $ 166 $ 157