v3.26.1
Supplementary information on oil and gas activities (unaudited) - Summary of capitalized costs (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Argentina [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Gross capitalized costs $ 7,442,324 $ 3,984,222 $ 2,723,155
Cumulative depreciation (1,994,429) (1,268,049) (842,024)
Total net capitalized costs 5,447,895 2,716,173 1,881,131
Mexico [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Gross capitalized costs 0 [1] 45,310 [1] 38,281
Cumulative depreciation 0 [1] (6,566) [1] (4,006)
Total net capitalized costs 0 [1] 38,744 [1] 34,275
Machinery, facilities, software licenses and other [Member] | Argentina [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Proved Properties 114,333 97,126 79,566
Machinery, facilities, software licenses and other [Member] | Mexico [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Proved Properties 0 [1] 928 [1] 928
Oil & gas properties and wells [Member] | Argentina [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Proved Properties [2] 6,731,181 3,697,835 2,521,781
Oil & gas properties and wells [Member] | Mexico [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Proved Properties [2] 0 [1] 42,436 [1] 36,146
Works in progress [Member] | Argentina [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Proved Properties 596,810 189,261 121,808
Works in progress [Member] | Mexico [Member]      
Disclosure Of Capitalized Costs [Line Items]      
Proved Properties $ 0 [1] $ 1,946 [1] $ 1,207
[1] Including the re-estimation of well plugging and abandonment (Note 12)
[2] For the year ended December 31, 2025, including an impairment of long-lived assets of 38,252 in Mexico. Therefore, for the year ended December 31, 2024, including a reversal of impairment of long-lived assets of 4,207 in Mexico (Note 3.2.2).