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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of income tax [text block] [Abstract] |
Schedule of income tax charged (credited) |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Income tax of the year for Mexican companies |  | $ | 2,564,312 |  |  | $ | 1,460,057 |  |  | $ | 3,177,506 |
Income tax year for foreign companies |  |  | 1,253,895 |  |  |  | 370,860 |  |  |  | 301,263 |
Deferred tax for Mexican companies |  |  | (96,453 | ) |  |  | (94,604 | ) |  |  | 12,978 |
Deferred tax for foreign companies |  |  | 668,015 |  |  |  | 341,531 |  |  |  | (215,473 | )
|  | $ | 4,389,769 |  |  | $ | 2,077,844 |  |  | $ | 3,276,274 |
Schedule of income tax expense (benefit) |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Expected benefit, expense |  | $ | 4,084,348 |  |  | $ | 1,462,776 |  |  | $ | 490,925 |
Increase (decrease) as a result of: |  |  |  |  |  |  |  |  |  |  |  |
Inflation effect, net |  |  | (577,234 | ) |  |  | (139,134 | ) |  |  | (417,960 | )
Impact of the nominal rate differences between the USA and Mexico |  |  | 66,343 |  |  |  | 11,075 |  |  |  | (23,368 | )
Benefit from utilization of tax loss carry-forwards and others (1) |  |  | (12,086 | ) |  |  | 16,173 |  |  |  | (987,135 | )
Others, net (includes permanent items) Income tax expense (2) |  |  | 828,398 |  |  |  | 172,519 |  |  |  | 1,890,150 |
Income tax expense |  | $ | 4,389,769 |  |  | $ | 1,523,409 |  |  | $ | 952,612 |
Effective tax rate |  |  | 31.73 | % |  |  | 31.24 | % |  |  | 58.21 | %
(1) | This amount corresponds to the income tax benefit obtained by those companies that used tax loss carry-forwards in the years presented that were generated previously to 2021, 2020 and 2019, less the effect of tax losses incurred by some subsidiaries for which no deferred tax asset was recorded.
(2) | For the purpose of determining the effective tax rate, the payments corresponding to taxes from previous years and expenses that were paid by various group companies derived from repair agreements during 2020 and 2019 fiscal years were not considered within the income tax expense.
Schedule of tax losses pending of amortize |
Origin Date |  |  | Expiration Date |  | Tax losses available |
2013 |  |  | 2023 |  |  | 3,823 |
2014 |  |  | 2024 |  |  | 2,635 |
2015 |  |  | 2025 |  |  | 8,988 |
2016 |  |  | 2026 |  |  | 316,818 |
2017 |  |  | 2027 |  |  | 329,500 |
2018 |  |  | 2028 |  |  | 97,980 |
2019 |  |  | 2029 |  |  | 886,466 |
2020 |  |  | 2030 |  |  | 898,711 |
2021 |  |  | 2031 |  |  | 1,632,449 |
|  |  |  |  | $ | 4,177,370 |
Schedule of deferred income tax liability |
|  | December 31, |
|  | 2021 |  |  | 2020 |
Deferred tax assets: |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | (64,511 | ) |  | $ | (61,536 | )
Advances from customers |  |  | 359,795 |  |  |  | 283,846 |
Deferred tax assets |  |  | 295,284 |  |  |  | 222,310 |
Deferred tax liabilities: |  |  |  |  |  |  |  |
Property, plant and equipment |  |  | 3,926,450 |  |  |  | 3,321,941 |
Intangible assets from Grupo San |  |  | 353,661 |  |  |  | 329,600 |
Provisions |  |  | 76,601 |  |  |  | 202,407 |
Prepaid expenses |  |  | 43,696 |  |  |  | 6,883 |
Total deferred liabilities |  |  | 4,400,408 |  |  |  | 3,860,831 |
Deferred tax liabilities, net |  | $ | 4,105,124 |  |  | $ | 3,638,521 |

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