PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Certain weighted average assumptions used in computing the benefit obligations and net periodic benefit cost (Details)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pension benefits
Weighted average assumptions used in computing the benefit obligations
Discount rate (as a percent)	5.50%	3.00%
Interest Crediting Rate	4.00%	3.00%
Rate of increase in compensation levels (as a percent)	3.75%	3.75%
Weighted-average assumptions used in computing net periodic benefit cost
Discount rate (as a percent)	3.00%	2.50%	3.25%
Interest Crediting Rate	3.00%	3.00%	3.50%
Rate of increase in compensation levels (as a percent)	3.75%	3.75%	3.75%
Expected Long-term Rate of Return on Plan Assets	7.00%	7.25%	7.50%
Other benefits
Weighted average assumptions used in computing the benefit obligations
Discount rate (as a percent)	6.00%	3.25%
Weighted-average assumptions used in computing net periodic benefit cost
Discount rate (as a percent)	3.25%	2.75%	3.50%
Expected Long-term Rate of Return on Plan Assets	4.00%	4.25%	4.50%

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

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- Definition

Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate.

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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- Definition

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e2919-114920

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- Definition

Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

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- Definition

Weighted-average interest crediting rate used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate.

+ References

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