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Derivative and Financial Instruments - Net Exposures from Outstanding Derivative Contracts (Details) - Commodity - Bcf | 12 Months Ended
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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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