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PENSION AND OTHER POSTRETIREMENT BENEFITS - Strategic Target Asset Allocation (Details) | Dec. 31, 2021
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Minimum | Equity investments |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 40.00%
Minimum | Fixed income investments |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 25.00%
Minimum | Alternative investments |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 10.00%
Minimum | Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 0.00%
Maximum | Equity investments |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 60.00%
Maximum | Fixed income investments |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 35.00%
Maximum | Alternative investments |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 25.00%
Maximum | Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
Target Asset Allocation | 10.00%

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