Acquisition, Divestiture and Nonmonetary Activities - Narrative (Acquisitions) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Business Acquisition [Line Items]
Gain on disposition of assets, net	$ 25	$ 34
Midland Basin \| Underdeveloped Acres In Midland Basin
Business Acquisition [Line Items]
Gain on disposition of assets, net	24
Noncash acquisition related costs	$ 162

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Name:	us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration