Acquisitions, Divestitures and Other Transactions - Schedule of Amortization Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2023	Nov. 30, 2022	Oct. 31, 2021
Business Acquisition [Line Items]
Expected amortization, year one	$ 272
Expected amortization, year two	249
Expected amortization, year three	210
Expected amortization, year four	187
Expected amortization, year five	165
OMOG JV LLC and Southern Delaware Gathering Assets
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)				10 years
OMOG JV LLC and Southern Delaware Gathering Assets | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)				10 years
Amortization	4
Expected amortization, year one	8
Expected amortization, year two	10
Expected amortization, year three	4
Expected amortization, year four	3
Expected amortization, year five	2
Cactus II Pipeline LLC
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)					20 years
Cactus II Pipeline LLC | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)					20 years
Amortization	61	$ 13
Expected amortization, year one	51
Expected amortization, year two	47
Expected amortization, year three	32
Expected amortization, year four	32
Plains Oryx Permian Basin LLC | Customer relationships | Joint Venture Transaction
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life (in years)						20 years
Amortization	138	$ 142	$ 28
Expected amortization, year one	127
Expected amortization, year two	117
Expected amortization, year three	$ 106