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Income Taxes - Additional Information (Detail) - MXN ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2023
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Income tax expense $ 29,112,504 $ 35,657,332 [1]  
Decrease in effective income tax rate 32.07% 35.75%  
Percentage of legal rate 30.00%    
Updated Effective Tax Rate [Member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Effective tax rate     33.00%
Excluding income tax of foreign discontinued operations [member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Income tax expense   $ 35,657,332  
Retained earnings [member]      
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Deferred Tax Liability Asset $ 2,315,646 $ 16,498,136  
[1] Restated for discontinued operations.