RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Employer Contributions)) - Pension Plan - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2026	Apr. 30, 2025	Apr. 30, 2026	Apr. 30, 2025
Foreign Plan
Defined Benefit Plan Disclosure
Employer Contributions	$ 4	$ 3	$ 10	$ 9
Expected future employer contributions	11		11
United States
Defined Benefit Plan Disclosure
Employer Contributions	0	$ 0	0	$ 0
Expected future employer contributions	$ 0		$ 0

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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