REVENUE - Revenue by Type (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Net revenue	$ 1,672	$ 1,718	$ 5,145	$ 4,999
Instrumentation
Net revenue	643	737	2,091	2,074
Non-Instrumentation and Other
Net revenue	$ 1,029	$ 981	$ 3,054	$ 2,925