v3.26.1
Group information - Additional Information (Detail)
12 Months Ended
Apr. 15, 2025
USD ($)
shares
Jan. 01, 2025
USD ($)
m³
Dec. 31, 2025
USD ($)
Dec. 31, 2024
[2]
Dec. 31, 2023
[2]
Mar. 31, 2025
USD ($)
Dec. 16, 2024
USD ($)
Corporate and Company information [Line Items]              
Cash transferred           $ 899,687,000  
Trafigura Argentina SA [Member]              
Corporate and Company information [Line Items]              
Contingent consideration recognised as of acquisition date             $ 128,000
QuantityToBeSoldOnAccountOfBusinessAcquisition | m³   10,000          
Proportion Of Rights Of The Production   100         100
Trade and other payables recognised as of acquisition date   $ 107,749          
Identifiable assets acquired (liabilities assumed)   78,454,000          
Offset against liability under farmout agreement     $ 28,000        
Trafigura Argentina SA [Member] | Production wells and facilities [Member]              
Corporate and Company information [Line Items]              
Acquisitions through business combinations, property, plant and equipment   80,243,000          
Trafigura Argentina SA [Member] | Oil and gas assets [member]              
Corporate and Company information [Line Items]              
Acquisitions through business combinations, property, plant and equipment   $ 29,295,000          
Vista Lach [Member]              
Corporate and Company information [Line Items]              
Percentage of voting equity interests acquired 100.00%            
Consideration transferred, acquisition-date fair value $ 1,406,441,000            
Cash transferred 899,687,000            
Liabilities incurred 300,000,000            
Trade and other payables recognised as of acquisition date           182,915,000  
Identifiable assets acquired (liabilities assumed)           $ 1,896,971,000  
Other tangible or intangible assets transferred $ 299,687,000            
Number of shares transferred | shares 7,297,507            
Percentage of liabilities assumed for business combination 1 50.00%            
Percentage of liabilities assumed for business combination 2 50.00%            
Present value of the assumed liability $ 207,067,000            
Vista Argentina [Member]              
Corporate and Company information [Line Items]              
Proportion of ownership interest by the Group [1]     100.00%        
Percentage of voting equity interests acquired 100.00%            
Vista Lach [Member]              
Corporate and Company information [Line Items]              
Proportion of ownership interest by the Group 50.00%   100.00% [2] 0.00% 0.00%    
Neuquen Basin Argentina [Member] | Medanito25 de Mayo and Jagel de los Machos [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
Neuquen Basin Argentina [Member] | Coirn Amargo Norte CAN [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     84.62%        
Neuquen Basin Argentina [Member] | Bajada del Palo Oeste and Bajada del Palo Este Aguada Federal and Bandurria Norte [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
Neuquen Basin Argentina [Member] | Aguila Mora [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     90.00%        
Neuquen Basin Argentina [Member] | La Amarga Chica [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     50.00%        
Northwest Basin Argentina [Member] | Acambuco [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     1.50%        
In Argentina [Member] | Federal [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
In Argentina [Member] | Entre Lomas [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
In Argentina [Member] | Twenty Five de MayoMedanito SE [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
In Argentina [Member] | Jarilla Quemada [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
In Argentina [Member] | Aguada Federal [Member] | Provincial [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
In Argentina [Member] | Borde Montuoso [Member] | Provincial [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
Mexico Blocks CS Zero One [Member]              
Corporate and Company information [Line Items]              
Percentage of Concessions for Exploitation     100.00%        
[1] Since January 1, 2025 Aleph and AFBN were merged with Vista Argentina.
[2] See Note 1.2.2 and 32.