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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Details) (Textual) - Pension Plan [Member] - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2019 | Apr. 30, 2018 | Apr. 30, 2019 | Apr. 30, 2018
Domestic Plan [Member] |  |  |  |
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 [Member] |  |  |  |
Defined Benefit Plans Contributions |  |  |  |
Contributions to defined benefit plans | 5 | $ 5 | 11 | $ 11
Estimated future employer contributions in remainder of current fiscal year | $ 15 |  | $ 15 |

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