REVENUE - Revenue by End Markets (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Disaggregation of Revenue [Line Items]
Net revenue	$ 6,948	$ 6,510	$ 6,833
Pharmaceutical and Biopharmaceutical Market
Disaggregation of Revenue [Line Items]
Net revenue	2,507	2,242	2,433
Chemical and Advanced Materials Market
Disaggregation of Revenue [Line Items]
Net revenue	1,561	1,495	1,543
Diagnostics and Clinical Market
Disaggregation of Revenue [Line Items]
Net revenue	1,029	964	966
Food Market
Disaggregation of Revenue [Line Items]
Net revenue	637	592	628
Academia and Government Market
Disaggregation of Revenue [Line Items]
Net revenue	540	567	601
Environmental and Forensics Market
Disaggregation of Revenue [Line Items]
Net revenue	$ 674	$ 650	$ 662