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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, 2020
Oct. 31, 2019
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 $ 848 $ 774
Fair value of plan assets in excess of projected benefit obligation - aggregate benefit obligation 0 0
Total projected benefit obligation - aggregate benefit obligation 848 774
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation 784 720
Fair value of plan assets in excess of accumulated benefit obligation - aggregate benefit obligation 0 0
Total accumulated benefit obligation - aggregate benefit obligation 784 720
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets 722 615
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 722 615
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets 722 615
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 722 615
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 433 396
Fair value of plan assets in excess of projected benefit obligation - aggregate benefit obligation 988 997
Total projected benefit obligation - aggregate benefit obligation 1,421 1,393
Accumulated benefit obligation in excess of fair value of plan assets - aggregate benefit obligation 421 383
Fair value of plan assets in excess of accumulated benefit obligation - aggregate benefit obligation 984 991
Total accumulated benefit obligation - aggregate benefit obligation 1,405 1,374
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets 246 244
Fair value of plan assets in excess of benefit obligation - aggregate fair value of plan assets 1,299 1,294
Total projected benefit obligation - aggregate fair value of plan assets 1,545 1,538
Accumulated benefit obligation in excess of accumulated benefit obligation - aggregate fair value of plan assets 246 244
Fair value of plan assets in excess of accumulated benefit obligation - aggregate fair value of plan assets 1,299 1,294
Total accumulated benefit obligation - aggregate fair value of plan assets $ 1,545 $ 1,538