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Fair Value Measurements (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) MMcf	Dec. 31, 2024 USD ($)
Natural Gas [Member] | Ten-year Physical Commodity Sales Contract [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Natural gas volumes | MMcf	100
Forward Price [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Increase (decrease) in net risk management assets and liabilities | $	$ 24	$ 0

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Contracted gas processing and/or gas gathering and compression volumes under long-term contracts.

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Amount of increase (decrease) in fair value of financial instruments other than those that are purchased and held principally for the purpose of hedging or mitigating market risk, credit risk, legal risk, operational risk and other types of risk.

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