Income Taxes and Duties - Summary of Expected Benefit for DUC (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 [abstract] | ||||
| Expected expense (benefit): | $ 4,871,813 | $ 98,990,391 | ||
| Increase (decrease) resulting from: | ||||
| Expected benefit contract | (1,811,137) | (2,578,264) | ||
| Non-cumulative profit | (464,460,841) | (627,269,522) | ||
| Non-deductible expenses | 461,400,165 | 530,857,395 | ||
| Production value | 245,764,971 | 360,388,580 | ||
| Deductible duties | (18,318,819) | (26,159,947) | ||
| DUC tax credit | (63,122,712) | (73,507,538) | ||
| Deferred DUC expense (benefit) | 2,588,760 | 6,863,068 | ||
| Deductions cap | (39,413,191) | (53,508,239) | ||
| DUC-Profit-sharing duty expense | $ 0 | $ 0 | $ 127,499,009 | $ 214,075,924 |