v3.26.1
Equity (Deficit) - Additional Information (Details)
$ in Thousands, $ in Thousands
 12 Months Ended
Apr. 15, 2026
MXN ($)
Dec. 31, 2026
MXN ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
MXN ($)
Dec. 31, 2024
MXN ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2026
USD ($)
Dec. 31, 2026
MXN ($)
Jan. 01, 2026
USD ($)
Jan. 01, 2026
MXN ($)
Dec. 31, 2025
MXN ($)
Jan. 01, 2025
USD ($)
Dec. 31, 2022
MXN ($)
Disclosure of equity [line items]                          
Equity contributions       $ 395,313,191 $ 156,509,050 $ 166,615,123              
Total comprehensive (loss) income     $ (17,662,876) (317,343,625) (487,305,976) (50,771,708)              
Post-employment benefit expense in profit or loss, defined benefit plans         $ 8,207,274                
Percentage of discount and return on plan asset     9.95%   11.28%           9.95%    
Net (loss) income     $ (4,545,376) (81,665,432) $ (780,587,954) 8,151,664              
Total equity (deficit)     (106,074,359)   (1,983,775,736) (1,652,978,810)         $ (1,905,806,170)   $ (1,768,822,225)
Negative working capital       $ 530,541,020 767,968,661                
Current portion of long-term debt     $ 19,214,879   425,218,517           345,227,971    
Bank indebtedness                       $ 5,512,700  
Current restructuring provision                     193,033,065    
Oil and fuel production                          
Disclosure of equity [line items]                          
General rate     0.30 0.30                  
Non-associated gas                          
Disclosure of equity [line items]                          
General rate     0.1163 0.1163                  
Federal budget                          
Disclosure of equity [line items]                          
Total   $ 263,476,300   $ 395,313,191                  
Bank indebtedness                     261,585,290    
Indebtedness that may be used to partially cover financial balance in next year             $ 5,342,100 $ 160,619,600          
Changes in tax rates or tax laws enacted or announced                          
Disclosure of equity [line items]                          
Equity contributions       263,476,317                  
Subsequent event                          
Disclosure of equity [line items]                          
Equity contributions $ 58,346,391                        
Bank indebtedness                 $ 5,342,100 $ 160,619,600      
Certificates of Contribution “A”                          
Disclosure of equity [line items]                          
Equity contributions       395,313,191 156,509,050 166,615,123              
Total equity (deficit)     $ 97,292,750   1,352,716,466 1,196,207,416         1,748,029,657   1,029,592,293
Initial expected equity contributions by owners       136,120,300                  
Accumulated other comprehensive result | Actuarial (losses) gains on employee benefits effect                          
Disclosure of equity [line items]                          
Total comprehensive (loss) income       (173,642,194) 203,171,826 (4,933,773)              
Total equity (deficit)     2,832,798   224,538,231 21,366,405         50,896,037   26,300,178
Non- controlling interest                          
Disclosure of equity [line items]                          
Total comprehensive (loss) income       $ 181 (157,748) 171,971              
Total equity (deficit)     $ (15,262)   $ (274,387) $ (116,639)         $ (274,206)   $ (288,610)