| DERIVATIVE INSTRUMENTS AND HEDGING - Narrative (Details) $ in Millions | 12 Months Ended | |
|---|---|---|
| Dec. 31, 2023  USD ($)  MMBtu  MWh | Dec. 31, 2022  MMBtu  MWh | |
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||
| Expected reclassification of net losses related to hedge contracts | $ | $ 155 | |
| Commodity Contract | Natural Gas | ||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||
| Notional Amount | MMBtu | 168,590,000 | 127,790,000 | 
| Commodity Contract | Electricity | ||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | ||
| Notional Amount | MWh | 3,501,898 | 432,043 | 
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- Definition Nominal number of units used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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