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PENSION AND POST-RETIREMENT PLANS - ASSET ALLOCATION (Details) - Pension Benefits | 12 Months Ended |
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Dec. 31, 2023 | Dec. 31, 2022
Employee benefit plans |  |
Target allocation (as a percent) | 100.00% |
Asset allocations (as a percent) | 100.00% | 100.00%
One year returns (losses) on plan assets (as a percent) | 12.80% |
Three year returns (losses) on plan assets (as a percent) | 4.60% |
Five year returns (losses) on plan assets (as a percent) | 9.50% |
Long-term average return on plan assets since inception (as a percent) | 8.20% |
Domestic equity securities |  |
Employee benefit plans |  |
Target allocation (as a percent) | 53.00% |
Asset allocations (as a percent) | 57.00% | 53.00%
International equity securities |  |
Employee benefit plans |  |
Target allocation (as a percent) | 15.00% |
Asset allocations (as a percent) | 16.00% | 16.00%
Debt securities |  |
Employee benefit plans |  |
Target allocation (as a percent) | 22.00% |
Asset allocations (as a percent) | 19.00% | 20.00%
Real estate |  |
Employee benefit plans |  |
Target allocation (as a percent) | 5.00% |
Asset allocations (as a percent) | 5.00% | 7.00%
Other and cash |  |
Employee benefit plans |  |
Target allocation (as a percent) | 5.00% |
Asset allocations (as a percent) | 3.00% | 4.00%

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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 -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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