Acquisitions - Narrative (Details) $ in Millions		1 Months Ended				3 Months Ended	6 Months Ended
	Jan. 31, 2025 USD ($)	Jul. 31, 2025 USD ($)	Feb. 28, 2025 USD ($)	Jan. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)
Business Combination [Line Items]
Gain on investments in unconsolidated entities, net							$ 31
Cheyenne Pipeline LLC
Business Combination [Line Items]
Ownership interest in unconsolidated entity, prior to acquisition (as a percent)			50.00%
BridgeTex Pipeline Company, LLC | Subsequent Event
Business Combination [Line Items]
Ownership interest in unconsolidated entity, prior to acquisition (as a percent)		40.00%
Permian JV
Business Combination [Line Items]
Ownership interest (as a percent)				65.00%		65.00%
Ironwood Midstream Energy Partners II, LLC
Business Combination [Line Items]
Finite-lived intangible asset, useful life	16 years			16 years
Ironwood Midstream Energy Partners II, LLC | Customer Relationships
Business Combination [Line Items]
Finite-lived intangible asset, useful life						16 years	16 years
Ironwood Midstream Energy Partners II, LLC | Finite-Lived Intangible Assets | Level 3 | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow
Business Combination [Line Items]
Business combination, measurement input	0.18
EMG Medallion 2 Holdings
Business Combination [Line Items]
Acquisition amount, net to our interest				$ 106
Other payments to acquire businesses					$ 16
Cheyenne Pipeline LLC
Business Combination [Line Items]
Ownership interests acquired percentage (as a percent)			50.00%
Gain on investments in unconsolidated entities, net			$ 31
Black Knight Midstream, LLC
Business Combination [Line Items]
Acquisition amount						$ 59
Acquisition amount, net to our interest						$ 38
BridgeTex Pipeline Company, LLC | Subsequent Event
Business Combination [Line Items]
Acquisition amount		$ 180
Ownership interests acquired percentage (as a percent)		20.00%
EnCap Flatrock Midstream | Ironwood Midstream Energy Partners II, LLC
Business Combination [Line Items]
Acquisition amount	$ 481
The Energy & Minerals Group | EMG Medallion 2 Holdings | Permian JV
Business Combination [Line Items]
Acquisition amount				$ 163