Oil and Gas Reserves Information (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flows Relating to Proved Reserves:
Future Cash Flows	$ 40,405,829	$ 20,396,381	$ 9,871,616
Future Costs:
Production	(5,473,650)	(3,954,726)	(3,173,350)
Development and Abandonment	(4,175,721)	(2,752,603)	(2,592,520)
Future Income Taxes	(5,741,914)	(2,065,316)	(154,872)
Future Net Cash Flows	25,014,544	11,623,736	3,950,874
10% Discount Factor	(12,404,908)	(5,848,131)	(2,015,149)
Standardized Measure of Discounted Future Net Cash Flows	$ 12,609,636	$ 5,775,605	$ 1,935,725	$ 2,913,211