Derivative and Financial Instruments - Schedule of Net Exposures from Outstanding Commodity Derivative Contracts (Details) - Short - Commodity Contract - Bcf	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025
Natural Gas and Power, Fixed Price
Trading Activity, Gains and Losses, Net [Line Items]
Commodity derivatives - volumetric material net exposures	(43)	(15)
Natural Gas and Power, Basis
Trading Activity, Gains and Losses, Net [Line Items]
Commodity derivatives - volumetric material net exposures	(23)	(17)

- 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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