v3.26.1
Supplementary information on oil and gas activities (unaudited) - Summary of costs capitalized as well as expensed that were incurred (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Acquisition of properties      
Exploration $ (578) $ (138) $ (16)
Argentina [Member]      
Acquisition of properties      
Proved (599,387) 0 0
Unproved 0 0 0
Total acquisition of properties (599,387) 0 0
Exploration 0    
Development [1] (2,685,512) (1,055,599) (615,481)
Total costs incurred (3,284,899) (1,055,599) (615,481)
Mexico [Member]      
Acquisition of properties      
Proved [2] 0    
Unproved 0 [2]   0
Total acquisition of properties 0 [2]   0
Exploration [2] 0    
Development [1] (86) [2] (2,472) (17,283)
Total costs incurred $ (86) [2] $ (2,472) $ (17,283)
[1] Including the re-estimation of well plugging and abandonment (Note 12)
[2] See Note 3.2.2.