v3.26.1
Wells, Pipelines, Properties, Plant and Equipment, Net - Additional Information (Details)
bbl in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
MXN ($)
$ / $
$ / $
bbl
Dec. 31, 2024
MXN ($)
$ / $
$ / $
bbl
Dec. 31, 2023
MXN ($)
bbl
Dec. 31, 2023
MXN ($)
bbl
Dec. 31, 2023
MXN ($)
bbl
Dec. 31, 2023
MXN ($)
$ / $
bbl
Dec. 31, 2023
MXN ($)
$ / $
bbl
Dec. 31, 2022
$ / $
$ / $
Disclosure of detailed information about property, plant and equipment [line items]                
Positive tax effect due to lower income in reserves       $ 13,167,592        
Currency exchange rate | $ / $ 17.9667              
U.S                
Disclosure of detailed information about property, plant and equipment [line items]                
Currency exchange rate | $ / $ 17.9667 20.2683            
Exploration and Extraction (formerly Pemex Exploration and Production)                
Disclosure of detailed information about property, plant and equipment [line items]                
Exchange rate effect amount   $ 51,936,270   47,149,878        
Average foreign exchange rate | $ / $           16.9220   19.4143
Refining                
Disclosure of detailed information about property, plant and equipment [line items]                
Average foreign exchange rate | $ / $ 17.9667 20.2683            
Exploration and Extraction (formerly Pemex Exploration and Production)                
Disclosure of detailed information about property, plant and equipment [line items]                
Total $ 12,597,956 $ 24,027,347   (2,353,077)        
Positive effect from decrease in production 41,071,395 $ 246,736,694   73,989,335        
Exchange rate effect amount $ 29,807,328              
Pre-tax discount rate 6.28% 10.86%     9.93%     9.31%
Positive tax effect due to lower income in reserves $ 3,640,303              
Negative effect from decrease in production (35,165,415)              
Effect of increase decrease in volume of crude oil $ 4,360,188 $ 128,567,201   (45,517,214)        
Average foreign exchange rate | $ / $ 17.9667              
Negative tax effect due to higher income $ 22,395,467 37,710,685            
Positive effect due to increase decrease in discount rate   $ 133,289,611   23,731,588        
Positive effect due to lower transportation and distribution costs       $ 64,145,752        
Useful life 25 years 25 years 25 years          
Production forecast | bbl 6,915,000 6,965,000 7,082,000 7,082,000 7,082,000 7,082,000 7,082,000  
Reversal of impairment (impairment), net $ (742,160,818) $ (376,490,172)   $ (260,366,967)        
Exploration and Extraction (formerly Pemex Exploration and Production) | Aceite Terciario del Golfo, Lakach, Tamaulipas Constituciones and Tsimin Xux CGU's                
Disclosure of detailed information about property, plant and equipment [line items]                
Positive effect from decrease in production   $ 24,921,879            
Exploration and Extraction (formerly Pemex Exploration and Production) | Exploration and Extraction (formerly Pemex Exploration and Production)                
Disclosure of detailed information about property, plant and equipment [line items]                
Average foreign exchange rate | $ / $   20.2683            
Industrial Processes (formerly part of Pemex Industrial Transformation)                
Disclosure of detailed information about property, plant and equipment [line items]                
Total (1,115,093)              
Pre-tax discount rate   14.75%            
Reversal of impairment (impairment), net $ (129,640,749)              
Industrial Processes (formerly part of Pemex Industrial Transformation) | Refining                
Disclosure of detailed information about property, plant and equipment [line items]                
Pre-tax discount rate 10.95% 14.75%            
Estimated useful lives 12 years              
Energy Transformation (formerly part of Pemex Industrial Transformation)                
Disclosure of detailed information about property, plant and equipment [line items]                
Total $ 3,467,927              
Reversal of impairment (impairment), net $ (25,299,526)              
Energy Transformation (formerly part of Pemex Industrial Transformation) | Gas                
Disclosure of detailed information about property, plant and equipment [line items]                
Pre-tax discount rate 10.72%              
Average foreign exchange rate | $ / $ 17.9667              
Estimated useful lives 8 years              
Industrial Transformation                
Disclosure of detailed information about property, plant and equipment [line items]                
Total   $ (78,049,865)   (25,568,713)        
Pre-tax discount rate         13.68%     14.16%
Reversal of impairment (impairment), net   $ (154,649,400)   (269,468,559)        
Industrial Transformation | Refining                
Disclosure of detailed information about property, plant and equipment [line items]                
Pre-tax discount rate   14.75%     13.68%      
Average foreign exchange rate           16.9220 16.9220 19.4143
Estimated useful lives   12 years 12 years          
Industrial Transformation | Gas                
Disclosure of detailed information about property, plant and equipment [line items]                
Pre-tax discount rate   15.93%     12.25%      
Average foreign exchange rate | $ / $   20.2683       16.9220    
Estimated useful lives   7 years 6 years          
Logistics as a part of Other Operating Subsidiary Companies (formerly Pemex Logistics)                
Disclosure of detailed information about property, plant and equipment [line items]                
Total $ (23,192,225)              
Pre-tax discount rate   16.57%     14.80%      
Total $ 63,289,804 $ 66,363,740 $ 180,444,892 180,444,892 $ 180,444,892 $ 180,444,892 $ 180,444,892  
Estimated useful lives 17 years              
Reversal of impairment (impairment), net   $ 582,923   $ (612,906)        
Logistics as a part of Other Operating Subsidiary Companies (formerly Pemex Logistics) | Vessel                
Disclosure of detailed information about property, plant and equipment [line items]                
Pre-tax discount rate   16.57%     14.80%     12.73%
Estimated useful lives   14 years 15 years          
Logistics as a part of Other Operating Subsidiary Companies (formerly Pemex Logistics) | Pipelines                
Disclosure of detailed information about property, plant and equipment [line items]                
Pre-tax discount rate 13.18% 16.57%     14.80%      
Estimated useful lives   17 years 19 years