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Supplemental Information on Oil And Gas Producing Activities (Unaudited) - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2022
MMBbls
MMBoe
Bcf
Dec. 31, 2021
MMBbls
MMBoe
Bcf
Dec. 31, 2020
MMBbls
MMBoe
Bcf
Changes in our estimated proved reserves [line items]      
Extension and discoveries of proved development reserves 34 27 6
Extension and discoveries of proved undevelopment reserves 288 148 85
Proved developed reserves of sales and acquisition     11
Revised proved reserves 87 217 61
Proved developed reserves added due to higher average oil price 55 186  
Proved developed reserves revisions of previous estimates increases by liquids and gas production performance 46   61
Proved reserves revisions of previous estimates of change of development strategy   17  
Proved developed reserves reduced due to lower average oil price     38
Top of range [member]      
Changes in our estimated proved reserves [line items]      
Increase Decrease in total proved reserve 7.00%    
Neuquina basin [Member]      
Changes in our estimated proved reserves [line items]      
Proved reserves revisions of previous estimates of change of development strategy 15   37
Crude oil [Member]      
Changes in our estimated proved reserves [line items]      
Extension and discoveries of proved development reserves | MMBbls 5 3 4
Extension and discoveries of proved undevelopment reserves | MMBbls 120 73 42
Revised proved reserves | MMBbls 72 161  
Proved developed reserves added due to higher average oil price | MMBbls     93
Increase Decrease in estimated reserve 10.00%    
Increase Decrease in total proved reserve 2.00%    
Natural Gas Liquids [Member]      
Changes in our estimated proved reserves [line items]      
Extension and discoveries of proved development reserves | MMBbls 3 3  
Extension and discoveries of proved undevelopment reserves | MMBbls 24 16 9
Revised proved reserves | MMBbls 1 6 8
Natural gas [member]      
Changes in our estimated proved reserves [line items]      
Extension and discoveries of proved development reserves | Bcf 144 116 9
Extension and discoveries of proved undevelopment reserves | Bcf 808 334 189
Revised proved reserves | Bcf 91 347 136
Increase Decrease in estimated reserve 10.00%    
Increase Decrease in total proved reserve 1.00%    
Crude Oil And Natural Gas [Member]      
Changes in our estimated proved reserves [line items]      
Increase Decrease in estimated reserve 10.00%    
Increase Decrease in total proved reserve 3.00%