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RISK MANAGEMENT AND HEDGING ACTIVITIES USING DERIVATIVES - Notional Quantities For Derivative Instruments (Details) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 USD ($) MMBbls Bcf | Dec. 31, 2022 USD ($) Bcf MMBbls
Derivatives designated as Hedging Instrument | Future | Natural gas (Bcf) | Fixed price | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | Bcf | 18.8 | 39.3
Derivatives designated as Hedging Instrument | Future | Natural gas (Bcf) | Basis | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | Bcf | 19.4 | 39.3
Derivatives designated as Hedging Instrument | Future | Crude oil and NGLs (MMBbl) | Fixed price | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | MMBbls | 13.8 | 8.4
Derivatives designated as Hedging Instrument | Interest-rate contracts | Purchased/ Payor |  |
Derivative [Line Items] |  |
Derivative, notional amount | $ | $ 0 | $ 400
Derivatives not designated as hedging instruments | Future | Natural gas (Bcf) | Fixed price | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | Bcf | 0 | 0.1
Derivatives not designated as hedging instruments | Future | Natural gas (Bcf) | Basis | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | Bcf | 0 | 0.1
Derivatives not designated as hedging instruments | Future and Swaps | Crude oil and NGLs (MMBbl) | Fixed price | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | MMBbls | 1.9 |
Derivatives not designated as hedging instruments | Future and Swaps | Crude oil and NGLs (MMBbl) | Fixed price | Purchased/ Payor |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | MMBbls |  | 0.1
Derivatives not designated as hedging instruments | Future and Swaps | Refined Products and Crude | Basis | Sold/ Receiver |  |
Derivative [Line Items] |  |
Derivative, nonmonetary notional amount, volume | MMBbls | 0.1 | 0

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