v3.26.1
REVENUE - Revenue by End Markets (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Disaggregation of Revenue [Line Items]        
Net revenue $ 1,835 $ 1,668 $ 3,633 $ 3,349
Pharmaceutical and Biotechnology Market        
Disaggregation of Revenue [Line Items]        
Net revenue 663 603 1,303 1,188
Diagnostics and Clinical Market        
Disaggregation of Revenue [Line Items]        
Net revenue 295 255 558 495
Academia and Government Market        
Disaggregation of Revenue [Line Items]        
Net revenue 132 135 262 272
Chemicals and Advanced Materials Market        
Disaggregation of Revenue [Line Items]        
Net revenue 412 369 834 748
Food Market        
Disaggregation of Revenue [Line Items]        
Net revenue 147 147 313 315
Environmental and Forensics Market        
Disaggregation of Revenue [Line Items]        
Net revenue $ 186 $ 159 $ 363 $ 331