Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Changes in Discounted Future Net Cash Flows (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revisions of previous estimates:
Changes in prices and production costs	$ (2,601,024)	$ (23,584,574)	$ 14,326,997
Revisions in quantities	(78,775)	(131,078)	109,129
Changes in future development and abandonment costs	(167,061)	(123,529)	(524,847)
Net change in income taxes	324,863	3,920,556	(2,625,699)
Accretion of discount	792,623	2,955,359	1,486,783
Additions to proved reserves from extensions, discoveries and improved recovery	265,917	103,116	2,842,173
Natural gas, NGLs and oil sales, net of production costs	(918,980)	(1,100,908)	(3,550,632)
Actual development costs incurred during the period	598,635	574,646	471,877
Sales of reserves in place	(5,265)	0	0
Changes in timing and other	(358,345)	(320,385)	(475,724)
Net change for the year	(2,147,412)	(17,706,797)	12,060,057
Beginning of year	6,838,486	24,545,283	12,485,226
End of year	$ 4,691,074	$ 6,838,486	$ 24,545,283