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Income Taxes (Tables)
 12 Months Ended
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