Supplemental Information On Oil And Gas Exploration And Production Activities (Unaudited) - Schedule of Changes in Proved Undeveloped Reserves (Details) - MBoe	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Extractive Industries [Abstract]
Proved undeveloped reserves, Beginning Balance	75,201	60,015
Conversions to developed	(10,254)	(4,419)
Extensions and discoveries	1,230	13,734
Sales of minerals in place		(4,702)
Purchases of minerals in place		4,735
Revision to previous estimates	(3,362)	5,838
Proved undeveloped reserves, Ending Balance	62,815	75,201
Proved undeveloped reserve attributable to noncontrolling interests	34,243	41,560	34,029