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Acquisitions and Other Transactions (Whiptail Midstream Acquisition) (Details) - USD ($) $ in Millions		6 Months Ended
	Mar. 11, 2025	Jun. 30, 2025	Jun. 30, 2024
Business Combination [Line Items]
Payments to acquire businesses, net of cash acquired		$ 237	$ 622
Whiptail Midstream Acquisition
Business Combination [Line Items]
Payments to acquire businesses, net of cash acquired	$ 237
Recognized identifiable assets acquired and liabilities assumed, property, plant, and equipment	172
Recognized identifiable assets acquired and liabilities assumed, intangible assets, other than goodwill	41
Recognized identifiable assets acquired and liabilities assumed, net working capital	$ 24

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