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EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Plan Assets Allocation (Details)	Dec. 31, 2021	Dec. 31, 2020
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Percentage of plan assets	100.00%	100.00%
Cash and Cash Equivalents [Member]
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Percentage of plan assets	3.00%	2.00%
Debt Securities [Member]
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Percentage of plan assets	38.00%	36.00%
Equity Securities [Member]
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Percentage of plan assets	51.00%	51.00%
Alternative Funds [Member]
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS
Percentage of plan assets	8.00%	11.00%

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+ References

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- Definition

Percentage of actual 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/2009/role/commonPracticeRef
-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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