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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

X

- 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

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+ References

No definition available.

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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