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RISK MANAGEMENT AND HEDGING ACTIVITIES USING DERIVATIVES - Notional Quantities For Derivative Instruments (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) GWh MMBbls Bcf | Dec. 31, 2022 USD ($) GWh MMBbls Bcf
Derivatives designated as hedging instruments | Future | Natural gas (Bcf) | Fixed price | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | 16.0 | 39.3
Derivatives designated as hedging instruments | Future | Natural gas (Bcf) | Basis | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | 16.0 | 39.3
Derivatives designated as hedging instruments | Future | Power (GWs) | Fixed price | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Energy Measure | GWh | 22.1 | 0
Derivatives designated as hedging instruments | Futures and Swaps | Natural Gas Liquids, Refined Products, And Crude Oil | Fixed price | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | MMBbls | 14.5 | 8.4
Derivatives designated as hedging instruments | Swap | Basis | Purchased/Payor |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ | $ 0.0 | $ 400.0
Derivatives not designated as hedging instruments | Future | Natural gas (Bcf) | Fixed price | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | 0.7 | 0.1
Derivatives not designated as hedging instruments | Future | Natural gas (Bcf) | Basis | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | 0.7 | 0.1
Derivatives not designated as hedging instruments | Futures and Swaps | Natural Gas Liquids, Refined Products, And Crude Oil | Fixed price | Purchased/Payor |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | MMBbls | 0.1 | 0.1
Derivatives not designated as hedging instruments | Futures and Swaps | Natural Gas Liquids, Refined Products, And Crude Oil | Basis | Sold/Receiver |  |
Derivative [Line Items] |  |
Derivative, Nonmonetary Notional Amount, Volume | MMBbls | 0.1 | 0

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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