v3.26.1
Related Parties - Summary of Products Acquisition from Pemex Industrial Transformation (Detail) - Pemex Industrial Transformation
$ in Thousands
Dec. 31, 2025
MXN ($)
Disclosure of transactions between related parties [line items]  
Product $ 31,151,086
Ownership amount 8,024,360
Heavy fuel oil  
Disclosure of transactions between related parties [line items]  
Product 16,543,048
Industrial diesel  
Disclosure of transactions between related parties [line items]  
Product 12,602,898
Other countries  
Disclosure of transactions between related parties [line items]  
Product 995,677
Fuel oil  
Disclosure of transactions between related parties [line items]  
Product 315,340
Natural Gas  
Disclosure of transactions between related parties [line items]  
Product 693,493
Freights  
Disclosure of transactions between related parties [line items]  
Product $ 630