v3.26.1
Commitments and contingencies - Additional information (Detail)
$ in Thousands
 12 Months Ended
Dec. 06, 2024
USD ($)
Dec. 31, 2025
USD ($)
m³
Dec. 31, 2024
USD ($)
m³
Dec. 31, 2023
m³
Disclosure of other provisions [line items]        
Upfront Investment | $   $ 65,000 $ 118,000  
Settlement of liabilities on behalf of entity by related party, related party transactions | $   206,358 $ 121,813  
Consideration Paid For Extension Of Concssions | $ $ 22,000      
Consideration Paid For Institutional Development And Strengthening | $ $ 4,400      
Percentage Of Commitments Made To Payable     50  
Trade and other receivables under advance payments for transportation services | $   53,266 $ 19,677  
Purchase of interests in investments accounted for using equity method | $   35,000    
Maximum Transport Capacity       3,300
Amount Of Disbursements Commitment | $   32,260    
Vaca Muerta Oleoducto Centro [Member]        
Disclosure of other provisions [line items]        
Amount Of Disbursements Commitment | $   $ 45,301    
Delivery Capacity   50,000    
Percentage Of Equity Method Investment In Associates   10.20%    
Aconcagua [Member]        
Disclosure of other provisions [line items]        
Amounts payable, related party transactions | $     13,200  
Oiltanking Ebytem S.A [Member]        
Disclosure of other provisions [line items]        
Storage Capacity   300,000    
Dispatch Capacity   50,000    
Oleoductos del Valle S.A [Member]        
Disclosure of other provisions [line items]        
Number Of Cubic Meter Per Day   50,000    
Equinor [Member]        
Disclosure of other provisions [line items]        
Proportion of transport concession       3.50%
Shell And Vista [Member]        
Disclosure of other provisions [line items]        
Proportion of transport concession       13.30%
Vista Argentina [Member]        
Disclosure of other provisions [line items]        
Proportion of transport concession       8.00%
Vista Argentina [Member]        
Disclosure of other provisions [line items]        
Storage Capacity   35,666    
Upfront payments | $   $ 337,185 $ 141,490  
Number Of Cubic Meter Per Day   2,756 5,010  
Transport Capacity     5,944  
Purchase of interests in investments accounted for using equity method | $   $ 28,400    
Vista Argentina [Member] | Phase I [Member]        
Disclosure of other provisions [line items]        
Transport Capacity   4,500    
Vista Argentina [Member] | Phase II [Member]        
Disclosure of other provisions [line items]        
Transport Capacity   6,800    
Vista Lach [Member]        
Disclosure of other provisions [line items]        
Storage Capacity   19,620    
Transport Capacity     3,270  
Purchase of interests in investments accounted for using equity method | $   $ 15,607    
Vista Lach [Member] | 2027–2031 [Member]        
Disclosure of other provisions [line items]        
Transport Capacity   7,790    
Vista Lach [Member] | 2032–2036 [Member]        
Disclosure of other provisions [line items]        
Transport Capacity   5,250    
Vista Lach [Member] | 2037–2040 [Member]        
Disclosure of other provisions [line items]        
Transport Capacity   3,180    
Vista Lach [Member] | Phase I [Member]        
Disclosure of other provisions [line items]        
Transport Capacity   4,500