v3.25.1
Income Taxes, Reconciliation of Deferred Tax Assets and Liabilities, Net (Details)
$ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2024
MXN ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2022
MXN ($)
Dec. 31, 2024
USD ($)
Reconciliation of Deferred Tax Assets and Liabilities, Net [Abstract]        
Beginning balance $ 116,614,520 $ 98,415,751    
Deferred tax benefit 12,920,451 13,810,280    
Translation effect (4,202,772) 3,202,557    
Deferred tax income recognized in OCI (1,657,918) 1,861,305    
Deferred taxes acquired in business combinations 1,811,189 (529,191)    
Hyperinflationary effect in Argentina 0 (146,182)    
Ending balance 125,485,470 116,614,520 $ 98,415,751  
Presented in the Consolidated Statements of Financial Position as Follows [Abstract]        
Deferred income tax assets 153,217,164 137,883,622   $ 7,560
Deferred income tax liabilities (27,731,694) (21,269,102)   $ (1,369)
Deferred tax assets and liabilities, net 125,485,470 116,614,520 $ 98,415,751  
Deductible temporary differences for which no deferred tax asset is recognised $ 596,631,908 $ 3,909,327    
Results of Operations [Abstract]        
Tax rate effect of foreign tax rates 36.00% 13.90% 17.40%  
Statutory tax rates 30.00% 30.00% 30.00%  
Foreign countries [member]        
Reconciliation of Deferred Tax Assets and Liabilities, Net [Abstract]        
Deferred tax benefit $ 633,557 $ 7,103,867 $ 4,909,727  
Bottom of Range [Member] | Foreign countries [member]        
Results of Operations [Abstract]        
Statutory tax rates 10.00%      
Top of Range [Member] | Foreign countries [member]        
Results of Operations [Abstract]        
Statutory tax rates 35.00%      
CUCA [Member]        
Presented in the Consolidated Statements of Financial Position as Follows [Abstract]        
Contributed capital account $ 1,225,260,518 1,128,833,955    
CUFIN [Member]        
Presented in the Consolidated Statements of Financial Position as Follows [Abstract]        
Contributed capital account $ 925,309,212 $ 841,510,931