REVENUE - Revenue by Type (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2022	Jan. 31, 2021
Net revenue	$ 1,674	$ 1,548
Instrumentation
Net revenue	691	681
Non-Instrumentation and Other
Net revenue	$ 983	$ 867

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details