Supplemental Information on Oil and Gas Producing Activities (Unaudited) - Changes In Reserves (Details) - Bcfe	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Information on Oil and Gas Producing Activities (Unaudited)
Extensions, discoveries and other additions	413	604	472
Revisions	1,187	596	1,486
Time period of the development plan	5 years	5 years	5 years
Increase in proved reserves due to additions to development plan	698	692	1,475
Decrease in proved reserves due to reclassifications related to five-year rule	(244)	(600)	824
Increase in proved reserve due to improved well performance			565
Increase (decrease) in proved reserves previous estimates	814
Increase (decrease) in proved reserves resulting from changes in ownership interests	846	414
Increase (decrease) in proved reserves resulting from changes in reserve forecast and operation cost estimates	(32)
Increase (decrease) in proved reserves resulting from price revisions	(81)	2	149
Increase Decrease In Proved Reserve Due To Ethane Recovery		88	121
Increase (decrease) in proved undeveloped properties reclassified from non-proved to proved undeveloped	454	92	651
Sales of reserves			670