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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual) - Pension Plan - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jul. 31, 2019 | Jul. 31, 2020 | Jul. 31, 2019
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 | 9 | $ 5 | 28 | $ 16
Expected future employer contributions | $ 9 |  | $ 9 |

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