Revenues and Accounts Receivable - Contract Balances (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Change in Contract Liabilities [Roll Forward]
Beginning balance	$ 501	$ 141	$ 501
Amounts recognized as revenue		(26)	(393)
Additions		145	33
Other		(31)
Ending balance		229	$ 141
Crude Oil Sales Agreements Entered Into In Conjunction WIth Storage Arrangements And Future Inventory Exchanges
Change in Contract Liabilities [Roll Forward]
Amounts recognized as revenue	$ (361)
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 recognized term (in years)		50 years