v3.26.1
Income Taxes and Duties - Explorations Hydrocarbons Duty Narrative (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
km²
state
municipality
$ / l
Dec. 31, 2024
MXN ($)
km²
Changes in deferred tax assets and liabilities [line items]    
Tax payable for non-producing areas | km² 1,820.72  
Exploration Hydrocarbons Duty | $   $ 2,437,425
Percentage of general VAT tax rate 16.00%  
Percentage VAT tax rate for certain activities with incentives 0.00%  
Percent of general VAT credit 50.00%  
Number of states | state 6  
Number of municipalities | municipality 43  
Percentage income tax rate 30.00%  
Deferred tax effect of actuarial gains and losses | $   $ 8,207,274
IEPS Tax on the Sale of Automotive Fuels | Magna Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 6.46  
IEPS Tax on the Sale of Automotive Fuels | Lower Than 91 Octane Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 91  
IEPS Tax on the Sale of Automotive Fuels | Premium Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 5.45  
IEPS Tax on the Sale of Automotive Fuels | Greater Than 91 Octane Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 91  
IEPS Tax on the Sale of Automotive Fuels | Diesel    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 7.09  
IEPS Tax in Favor of States, Municipalities and Territories | Premium Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 56.98  
IEPS Tax in Favor of States, Municipalities and Territories | Greater Than 91 Octane Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 91  
IEPS Tax in Favor of States, Municipalities and Territories | Diesel    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 47.29  
IEPS Tax in Favor of States, Municipalities and Territories | Less Than 91 Octanes Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 91  
IEPS Tax in Favor of States, Municipalities and Territories | More Than 91 Octanes Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 69.53  
IEPS Tax on Fossil Fuels | Diesel    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 20.76  
IEPS Tax on Fossil Fuels | Propane    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 9.76  
IEPS Tax on Fossil Fuels | Butane    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 12.62  
IEPS Tax on Fossil Fuels | Gasoline And Aviation Gasoline    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 17.11  
IEPS Tax on Fossil Fuels | Jet Fuel And Other Kerosene    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 20.44  
IEPS Tax on Fossil Fuels | Fuel Oil    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 22.16  
IEPS Tax on Fossil Fuels | Petroleum Coke    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 25.72  
IEPS Tax on Fossil Fuels | Coal Coke    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 60.29  
IEPS Tax on Fossil Fuels | Mineral Carbon    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 45.4  
IEPS Tax on Fossil Fuels | Carbon From Other Fossil Fuels    
Changes in deferred tax assets and liabilities [line items]    
Special Tax on Production and Services 65.63  
Tax regime applicable to assignments    
Changes in deferred tax assets and liabilities [line items]    
Tax payable for non-producing areas | km²   1,741.65
Tax regime applicable to assignments after 60 months    
Changes in deferred tax assets and liabilities [line items]    
Tax payable for non-producing areas | km²   4,164.86