v3.26.1
Significant accounting judgements estimates and assumptions - Schedule of sensitivity analysis for CGU's with respect to change in assumptions (Detail) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Discount rate [Member] | Argentina [Member]      
Disclosure of information for cash-generating units [line items]      
Increase In Value Of CGU $ 0 $ 0 [1] $ 136
Discount rate [Member] | Mexico [Member]      
Disclosure of information for cash-generating units [line items]      
Percentage Increase Decrease In Assumptions Used In Value In Use 10.00% [2] 10.00% 10.00%
Increase In Value Of CGU $ 0 [2] $ 3,138 $ 2,559
Expected prices of crude oil, natural gas and LPG [Member] | Argentina [Member]      
Disclosure of information for cash-generating units [line items]      
Decrease In Value Of CGU $ 0 $ 0 [1] $ 349
Expected prices of crude oil, natural gas and LPG [Member] | Mexico [Member]      
Disclosure of information for cash-generating units [line items]      
Percentage Increase Decrease In Assumptions Used In Value In Use 10.00% [2] 10.00% 10.00%
Decrease In Value Of CGU $ 0 [2] $ 14,012 $ 13,402
[1] Related to the non-operating concessions of conventional oil and gas CGU.
[2] See Note 1.1.