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RETIREMENT PLANS AND POST RETIREMENT PENSION PLANS (PBO, ABO, and Fair Value of Plan Assets) (Details) - Pension Plan [Member] - USD ($) $ in Millions | Oct. 31, 2019 | Oct. 31, 2018
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UNITED STATES |  |
Projected benefit obligation and fair value of plan assets [Abstract] |  |
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation | $ 774 | $ 650
Fair value of plan assets in excess of projected benefit obligation - aggregate benefit obligation | 0 | 0
Total projected benefit obligation - aggregate benefit obligation | 774 | 650
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation | 720 | 609
Fair value of plan assets in excess of accumulated benefit obligation - aggregate benefit obligation | 0 | 0
Total accumulated benefit obligation - aggregate benefit obligation | 720 | 609
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets | 615 | 575
Fair value of plan assets in excess of benefit obligation - aggregate fair value of plan assets | 0 | 0
Total projected benefit obligation - aggregate fair value of plan assets | 615 | 575
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets | 615 | 575
Fair value of plan assets in excess of accumulated benefit obligation - aggregate fair value of plan assets | 0 | 0
Total accumulated benefit obligation - aggregate fair value of plan assets | 615 | 575
Foreign Plan [Member] |  |
Projected benefit obligation and fair value of plan assets [Abstract] |  |
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation | 396 | 363
Fair value of plan assets in excess of projected benefit obligation - aggregate benefit obligation | 997 | 886
Total projected benefit obligation - aggregate benefit obligation | 1,393 | 1,249
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation | 383 | 351
Fair value of plan assets in excess of accumulated benefit obligation - aggregate benefit obligation | 991 | 879
Total accumulated benefit obligation - aggregate benefit obligation | 1,374 | 1,230
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets | 244 | 249
Fair value of plan assets in excess of benefit obligation - aggregate fair value of plan assets | 1,294 | 1,143
Total projected benefit obligation - aggregate fair value of plan assets | 1,538 | 1,392
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets | 244 | 249
Fair value of plan assets in excess of accumulated benefit obligation - aggregate fair value of plan assets | 1,294 | 1,143
Total accumulated benefit obligation - aggregate fair value of plan assets | $ 1,538 | $ 1,392

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