v3.26.1
Leases - Additional Information (Detail)
$ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2025
MXN ($)
Dec. 31, 2024
MXN ($)
Dec. 31, 2023
MXN ($)
Disclosure of quantitative information about right-of-use assets [line items]        
Lease liabilities   $ 41,184,280 $ 46,825,266 $ 41,848,333
Current lease liability $ 524,787 9,428,699 8,628,404  
Non-current lease liabilities $ 1,767,469 $ 31,755,581 $ 38,196,862  
PEMEX        
Disclosure of quantitative information about right-of-use assets [line items]        
Lessee, renegotiation option, terms 5 years      
PEMEX | Bottom of range        
Disclosure of quantitative information about right-of-use assets [line items]        
Lease term 1 year      
Estimated useful life 1 year      
PEMEX | Top of range        
Disclosure of quantitative information about right-of-use assets [line items]        
Lease term 20 years      
Estimated useful life 3 years