v3.26.1
Income Taxes and Duties - Summary of Expense (Benefit) Attributable to Profit (Loss) from Continuing Operations before Income Taxes (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 income taxes [line items]        
Deductible Duty     $ (18,318,819) $ (26,159,947)
Total duties, taxes and other $ 39,838 $ 715,756 290,281,198 219,999,281
PEMEX        
Disclosure of income taxes [line items]        
Expected income tax expense   2,320,577 18,265,470 102,495,110
Tax effect of inflation-net   (805,362) 1,012,782 (27,144,892)
Fiscal updating of pipelines, properties and equipment   (16,719) (208,767) 600,688
Deductible Duty   0 (37,473,075) (62,163,857)
Unrecognized deferred tax change   0 (20,730,125) (29,256,451)
Reversal of deferred income tax due to changes in tax legislation   0 158,307,139 0
Retirement benefits   0 0 8,727,606
Non-deductible expenses   1,439,196 13,930,645 12,284,337
Others-net   (2,221,936) 29,678,120 380,816
Total duties, taxes and other   $ 715,756 $ 162,782,189 $ 5,923,357