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Equity - Additional Information (Detail)
 12 Months Ended
Dec. 14, 2023
$ / shares
Oct. 12, 2023
$ / shares
Jul. 13, 2023
$ / shares
May 18, 2023
$ / shares
Apr. 13, 2023
MXN ($)
$ / shares
shares
Nov. 17, 2022
MXN ($)
$ / shares
May 16, 2022
MXN ($)
$ / shares
Apr. 22, 2022
MXN ($)
$ / shares
shares
Sep. 28, 2021
MXN ($)
Sep. 14, 2021
MXN ($)
$ / shares
May 28, 2021
MXN ($)
Apr. 27, 2021
MXN ($)
$ / shares
shares
Dec. 31, 2023
MXN ($)
Director
Member
Vote
shares
Dec. 31, 2022
MXN ($)
shares
Dec. 31, 2021
MXN ($)
shares
Jul. 01, 2020
MXN ($)
Disclosure Of Equity [Line Items]                                
Percentage of acquisition, nominations and compensation corresponding to operating committee members                         20.00%      
Dividend payment per share | $ / shares $ 3.71 $ 3.71 $ 3.71 $ 3.71 $ 14.84 $ 7.2 $ 7.2 $ 14.4                
Dividend payment           $ 3,637,998,000 $ 3,675,745,000                  
Total dividend payment amount               $ 7,313,743,000         $ 7,498,318,000 $ 7,313,743,000    
Canceled Reserve for repurchase of shares         $ 499,486,000     2,031,782,000               $ 1,550,000,000
Reserve for repurchase of shares         $ 2,500,000,000     2,500,000,000   $ 2,000,000,000     2,500,000,000 2,499,473,000 $ 5,531,292,000  
Retained earnings               1,558,475,000         8,787,568,000 9,187,597,000 13,925,091,000  
Capital reduction per share | $ / shares                   $ 7.8   $ 3.823095061582        
Capital reduction                 $ 4,014,701,000   $ 2,000,000,000       6,014,701,000  
Capitalization of retained earnings               $ 8,027,155,000                
Capital stock                         $ 8,197,536,000 $ 8,197,536,000 $ 170,381,000  
Cpital stock, shares | shares                         505,277,464 512,301,577 525,575,547  
Cancellation of repurchase of shares, shares | shares         7,024,113     13,273,970       35,424,453        
Description of legal reserves                         General Corporate Law requires that at least 5% of the unconsolidated net income of the year, be transferred to the legal reserve until the reserve equals 20% of capital stock at par value (nominal pesos)      
Legal reserve                         $ 478,185,000 $ 34,076,000 $ 1,592,551,000  
Percentage of legal reserve               20.00%         5.83% 0.42% 934.70%  
Repurchase of shares                           $ (1,999,987,000) $ (3,000,037,000)  
Additional income tax on dividend                         10.00%      
Top of Range [Member]                                
Disclosure Of Equity [Line Items]                                
Reserve for repurchase of shares               $ 2,000,000,000       $ 3,000,000,000       $ 1,550,000,000
Series BB common stock [Member]                                
Disclosure Of Equity [Line Items]                                
Percentage of common stock                         15.00%      
Number of directors | Director                         4      
Capital stock                         $ 122,963,000 $ 1,229,631,000 $ 25,558,000  
Cpital stock, shares | shares                         75,791,619 76,845,237 78,836,332  
Series B And BB Common Stock [Member]                                
Disclosure Of Equity [Line Items]                                
Number of vote per share | Vote                         1      
Maximum percentage of common stock                         10.00%      
Percentage of not having voting rights                         10.00%      
Series B common stock [Member]                                
Disclosure Of Equity [Line Items]                                
Percentage of common stock                         10.00%      
Number of directors | Director                         11      
Percentage of voting rights                         10.00%      
Right to appoint members number | Member                         7      
Number of members elected to the board of directors at a Shareholders' Meeting | Member                         1      
Capital stock                         $ 6,967,905,000 $ 6,967,905,000 $ 144,823,000  
Cpital stock, shares | shares                         429,485,845 435,456,340 446,739,215  
Class I [member]                                
Disclosure Of Equity [Line Items]                                
Capital stock               $ 8,197,536,000                
Cpital stock, shares | shares               512,301,577