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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
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