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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, 2019 | Jul. 31, 2018 | Jul. 31, 2019 | Jul. 31, 2018
United States |  |  |  |
Defined Benefit Plans Contributions |  |  |  |
Contributions to defined benefit plans | $ 0 | $ 0 | $ 0 | $ 0
Estimated future employer contributions in remainder of current fiscal year | 0 |  | 0 |
Foreign Plan |  |  |  |
Defined Benefit Plans Contributions |  |  |  |
Contributions to defined benefit plans | 5 | $ 5 | 16 | $ 16
Estimated future employer contributions in remainder of current fiscal year | $ 10 |  | $ 10 |

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