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Derivative and Financial Instruments - Net Exposures from Outstanding Derivative Contracts (Details) - Commodity - Bcf	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fixed price | Long
Trading Activity, Gains and Losses, Net [Line Items]
Commodity derivatives - volumetric material net exposures		4
Fixed price | Short
Trading Activity, Gains and Losses, Net [Line Items]
Commodity derivatives - volumetric material net exposures	14
Basis | Short
Trading Activity, Gains and Losses, Net [Line Items]
Commodity derivatives - volumetric material net exposures	8	22

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Nominal volume used to calculate payments on a derivative instrument.

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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.

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