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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, 2024
Dec. 31, 2023
Dec. 31, 2022
Oil and Gas, Proved Reserve, Quantity [Line Items]      
Positive revisions due to improved recovery associated with extended lateral lengths 183,200    
Revisions due to increased ethane recoveries 15,000    
Proved undeveloped reserves removed and deferred 771,500    
Natural Gas Equivalents      
Oil and Gas, Proved Reserve, Quantity [Line Items]      
Additional undeveloped properties reclassified 457,200 280,200 716,200