Acquisitions - Narrative (Details) a in Thousands, $ in Millions			9 Months Ended
	Aug. 22, 2025 USD ($) a mi	Oct. 28, 2024 USD ($) MMcf / d acidGasInjectionWell compressorStation mi	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)
Acquisitions [Line Items]
Cash consideration			$ 4,319	$ 3,485
Pinon Midstream, LLC
Acquisitions [Line Items]
Purchase price for 100% interest in Pinon Midstream		$ 953
Number of miles of natural gas gathering and redelivery pipelines acquired | mi		43
Number of compressor stations acquired | compressorStation		5
Hydrogen sulfide and carbon dioxide treating facilities capacity (in cubic feet per day) | MMcf / d		270
Number of high capacity acid gas injection wells acquired | acidGasInjectionWell		2
Oxy Natural Gas Gathering Affiliate
Acquisitions [Line Items]
Miles of natural gas gathering pipelines acquired | mi	200
Natural gas gathering and processing services, acres dedicated | a	73
Cash consideration	$ 583
Cash consideration, excluding transaction costs	581
Transaction related costs	$ 2
Oxy Natural Gas Gathering Affiliate | Contract-Based Intangible Assets
Acquisitions [Line Items]
Underlying contract of acquired finite-lived intangible asset, period before renewal or extension	15 years
Contract based intangible asset estimate life (in years)	23 years