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Acquisitions and Other Transactions (Whiptail Midstream) (Details) - USD ($) $ in Millions		12 Months Ended
	Mar. 11, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
Proceeds from Previous Acquisition		$ 3,316	$ 622	$ 246
Whiptail Midstream Acquisition
Business Combination [Line Items]
Proceeds from Previous Acquisition	$ 235
Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	170
Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	41
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed, Net Working Capital	$ 24

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