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Investments in Unconsolidated Entities - Narrative (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($) pipeline	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Nov. 30, 2024	Sep. 30, 2023	Nov. 30, 2022	Oct. 31, 2022	Sep. 30, 2022	Jul. 31, 2022	Jun. 30, 2022
Investments in Unconsolidated Entities
Gains (losses) on investments in unconsolidated entities, net		$ 15	$ 28	$ 346
Capital contributions to equity method investees excluding capitalized interest		4	29	$ 13
Amount by which investments in unconsolidated entities exceeded our share of the underlying equity in the net assets		$ 213	$ 229
OMOG JV LLC (“OMOG”)
Investments in Unconsolidated Entities
Ownership interest in unconsolidated entity (as a percent)									40.00%
OMOG JV LLC (“OMOG”) | Acquisition of Additional Interest in Exchange for Contribution of Pipeline Assets
Investments in Unconsolidated Entities
Number of pipelines or partial pipelines contributed | pipeline	2
Ownership interest in unconsolidated entity (as a percent)	57.00%			57.00%
Gains (losses) on investments in unconsolidated entities, net	$ (25)
Advantage Pipeline Holdings LLC
Investments in Unconsolidated Entities
Ownership interest in unconsolidated entity (as a percent)											50.00%
Midway Pipeline LLC
Investments in Unconsolidated Entities
Additional interest acquired (as a percent)		50.00%
Business combination, step acquisition, equity interest in acquire (as a percent)					50.00%
OMOG JV LLC (“OMOG”)
Investments in Unconsolidated Entities
Additional interest acquired (as a percent)						43.00%
Advantage Pipeline Holdings LLC
Investments in Unconsolidated Entities
Additional interest acquired (as a percent)										50.00%
Cactus II Pipeline LLC
Investments in Unconsolidated Entities
Additional interest acquired (as a percent)							5.00%
Business combination, step acquisition, equity interest in acquire (as a percent)								65.00%

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Cash outflow for capital contributions (excluding capitalized interest) subsequent to the initial purchase of interest in equity method investments, to fund the entity's portion of development, construction or capital expansion projects of the equity method investees, net of cash received as a return of investment.

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Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee.

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