PENSION AND OTHER POSTRETIREMENT BENEFITS - Plan Asset Information (Details)	12 Months Ended
Oct. 31, 2021
Pensions
Expected Return on Plan Assets
Market related value period	5 years
Pensions \| United States
Average Annual Return
Average annual return over past 10 years (as a percent)	11.00%
Average annual return over past 20 years (as a percent)	9.30%
Pensions \| Minimum \| United States
Average Annual Return
Time period for fundamental changes in capital markets affecting return expectations	10 years
Pensions \| Maximum \| United States
Average Annual Return
Time period for fundamental changes in capital markets affecting return expectations	20 years
Pensions \| Equity Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	26.00%
Pensions \| Debt Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	55.00%
Pensions \| Real Estate Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	4.00%
Pensions \| Other Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	15.00%
Health Care \| Equity Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	58.00%
Health Care \| Debt Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	35.00%
Health Care \| Real Estate Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	2.00%
Health Care \| Other Investments
Target Asset Allocations, Pension and Health Care Plan Assets
Target allocation percentage for plan assets	5.00%

Represents the average annual return over the past ten years.

No definition available.

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- Definition

Represents the average annual return over the past twenty years.

+ References

No definition available.

+ Details

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- Definition

The period over which changes in the fair value of pension plan assets are systematically recognized.

+ References

No definition available.

+ Details

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- Definition

This element represents the extended period of time used to determine if fundamental changes in capital markets affect plan asset return assumptions.

+ References

No definition available.

+ Details

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- References

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- References

No definition available.

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- References

No definition available.

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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