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Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited) - Changes in Proved Undeveloped Reserves (Detail)
 12 Months Ended
Dec. 31, 2022
MMcfe
Extractive Industries [Abstract]  
Beginning proved undeveloped reserves at December 31, 2021 7,357,597
Undeveloped reserves transferred to developed (1,091,828)
Revisions (759,281) [1]
Extension and discoveries 1,637,988
Ending proved undeveloped reserves at December 31, 2022 7,144,476
[1] Includes 1.4 Tcfe of proved undeveloped reserves removed and deferred due to the five-year rule which can be included in our future proved reserves as these locations are added back to our five-year development plan. Includes 716.2 Bcfe positive revision for previously proved undeveloped properties due to their addition back into our five year development plan.