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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Accumulated other comprehensive loss, net of tax | $ (532) | $ (426) |
Cost recognized | 25 | 23 | $ 16
Other Pension, Postretirement and Supplemental Plans [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Deferred Compensation Plan Assets | 266 |  |
UNITED STATES | Other Postretirement Benefits Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Service cost — benefits earned during the period | 1 | 1 | 1
Fair value of plan assets | 176 | 172 | 182
Benefit obligation | 202 | 190 | 207
Employer contributions | 0 | 0 |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 0 |  |
UNITED STATES | Pension Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Service cost — benefits earned during the period | 20 | 24 | 22
Fair value of plan assets | 615 | 575 | 515
Benefit obligation | 774 | 650 | 675
Employer contributions | 0 | 85 |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 0 |  |
Foreign Plan [Member] | Pension Plan [Member] |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Service cost — benefits earned during the period | 14 | 14 | 18
Fair value of plan assets | 1,538 | 1,392 | 1,440
Benefit obligation | 1,393 | 1,249 | $ 1,338
Employer contributions | 26 | $ 33 |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 11 |  |

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