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Business Combinations and Disposals - Unaudited Pro Forma Financial Information (Details) - MXN ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Net Pay S.A.P.I de C.V.      
Disclosure of detailed information about business combination [line items]      
Total revenues $ 796,086    
Income before income taxes and share of the profit of equity method accounted investees 67,776    
Net income $ 41,465    
Valora, Sigma Supply, And Others      
Disclosure of detailed information about business combination [line items]      
Total revenues   $ 710,327  
Income before income taxes and share of the profit of equity method accounted investees   57,826  
Net income   $ 76,622  
Daycon, PJP, Next-Gen, Johnston Paper, And Other Smaller Acquisitons      
Disclosure of detailed information about business combination [line items]      
Total revenues     $ 730,624
Income before income taxes and share of the profit of equity method accounted investees     43,318
Net income     $ 34,864
Series B | Aggregated individually immaterial business combinations      
Disclosure of detailed information about business combination [line items]      
Basic net controlling interest income per share $ 1.39 $ 3.27 $ 1.20
Series D | Aggregated individually immaterial business combinations      
Disclosure of detailed information about business combination [line items]      
Basic net controlling interest income per share $ 1.74 $ 4.09 $ 1.50