v3.26.1
Basis of preparation and material accounting policies - Additional information (Detail)
 3 Months Ended 12 Months Ended
Apr. 19, 2023
USD ($)
m³
Dec. 31, 2025
USD ($)
m³
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2020
Dec. 31, 2019
Mar. 18, 2025
Dec. 13, 2023
Nov. 20, 2023
Oct. 23, 2023
Oct. 03, 2023
Basis of Preparation and Presentation [Line Items]                        
Prevailing Income tax rates in Argentina and Mexico     30.00% 30.00% 30.00%              
Other receivables From Gas IV plan   $ 2,316,000 $ 2,316,000 $ 3,007,000                
Export duty rate     8.00%                  
Gain losses from exportS increase program     $ 4,961,000 45,201,000 $ 81,232,000              
Average price $ 3,290                      
Increase decrease proved developed and undeveloped reserves, sales of minerals in place | m³ 1.14                      
PEMEX [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Percentage Of Investment In Associates               40.00%        
Gas IV Plan [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Paid consideration       4,646,000 $ 3,839,000              
Other receivables From Gas IV plan   $ 2,316,000 $ 2,316,000 $ 3,007,000                
Supply of gas | m³   0.06                    
Argentina [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Prevailing Income tax rates in Argentina and Mexico     35.00% 35.00%   3.29% 0.86%          
Mexico [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Prevailing Income tax rates in Argentina and Mexico         30.00%              
Resolution No. 808/23 [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Percentage of funds may be received as securities on exports                       25.00%
Decree No. 549/23 [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Percentage of funds may be received as securities on exports                     30.00%  
Decree No. 597/23 [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Percentage of funds may be received as securities on exports                   50.00%    
Decree No. 28/23 [Member]                        
Basis of Preparation and Presentation [Line Items]                        
Percentage of funds may be received as securities on exports                 20.00%      
Bottom of range [member]                        
Basis of Preparation and Presentation [Line Items]                        
Additional royalties percentage   12.00% 12.00%