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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Employer Contributions)) - Pension Plan - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
United States
Defined Benefit Plan Disclosure
Employer Contributions	$ 0	$ 0	$ 0	$ 0
Expected future employer contributions	0		0
Foreign Plan
Defined Benefit Plan Disclosure
Employer Contributions	7	$ 9	16	$ 28
Expected future employer contributions	$ 6		$ 6

X

- Definition

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

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Amount of contribution expected to be received by defined benefit plan from employer in remainder of current fiscal year. Excludes contribution previously paid by employer in current fiscal year.

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