Revenues and Accounts Receivable - Contract Balances (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Change in Contract Liabilities [Roll Forward]
Beginning balance	$ 229	$ 141
Amounts recognized as revenue	(42)	(26)
Additions	38	145
Other	3	(31)
Ending balance	$ 228	229
Gas Processing Agreement That Was Entered Into In Conjunction With The Purchase Of An Additional Ownership Interest In Certain Straddle Plants
Change in Contract Liabilities [Roll Forward]
Additions		$ 122
Revenue recognition term (in years)		50 years