v3.26.1
Balances and Transactions with Related Parties - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Jan. 22, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of transactions between related parties [line items]        
Proportion of ownership interest 100.00%      
Selling, general and administrative expense [member]        
Disclosure of transactions between related parties [line items]        
Non-current provisions     $ 40  
Income from equity interests in associates and joint ventures [Member] | YPF EE [member]        
Disclosure of transactions between related parties [line items]        
Non-current provisions     26  
Income from equity interests in associates and joint ventures [Member] | CT Barragan [Member]        
Disclosure of transactions between related parties [line items]        
Non-current provisions     8  
CHNC [member]        
Disclosure of transactions between related parties [line items]        
Purchase of gas and crude oil   $ 368 508 $ 453
Net balance payable   $ 13 $ 63 $ 38
Proportion of explotation concession of Loma Campana   50.00%    
CDNC and CHNC [member]        
Disclosure of transactions between related parties [line items]        
Proportion of ownership interest   100.00%