Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Changes in Proved Undeveloped Reserves (Parenthetical) (Detail) - MMcfe	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Reserve Quantities [Line Items]
Proved undeveloped reserves removed and deferred	370,600
Natural Gas Equivalents
Reserve Quantities [Line Items]
Additional undeveloped properties reclassified	280,200	716,200