v3.26.1
Equity - Dividends Declared and Paid (Details) - MXN ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Apr. 25, 2025
Apr. 11, 2025
Apr. 08, 2025
Apr. 18, 2024
Mar. 22, 2024
Mar. 19, 2024
Mar. 31, 2023
Mar. 27, 2023
Disclosure of classes of share capital [line items]                      
Dividend approved to be paid $ 14,634                    
Capital stock issued (in shares) 3,469,469,527 3,578,226,270                  
Total shares (in shares) 17,347,347,635 17,891,131,350                  
Extraordinary dividend payable $ 26,919                    
Ordinary shares                      
Disclosure of classes of share capital [line items]                      
Dividend approved to be paid 14,817 $ 14,697 $ 12,247 $ 32,684 $ 14,817   $ 10,294 $ 14,697   $ 12,247  
Extraordinary Shares                      
Disclosure of classes of share capital [line items]                      
Dividend approved to be paid $ 32,684 $ 10,294                  
“B”                      
Disclosure of classes of share capital [line items]                      
Dividend declared (in pesos per share) $ 0.76380 $ 0.73290 $ 0.61070                
“B” | Extraordinary Shares                      
Disclosure of classes of share capital [line items]                      
Dividend declared (in pesos per share) 1.68480 0.51340                  
“D”                      
Disclosure of classes of share capital [line items]                      
Dividend declared (in pesos per share) 0.95470 0.91610 $ 0.76340                
“D” | Extraordinary Shares                      
Disclosure of classes of share capital [line items]                      
Dividend declared (in pesos per share) $ 2.10590 $ 0.64170                  
“BD” Units                      
Disclosure of classes of share capital [line items]                      
Capital stock issued (in shares) 2,052,421,027 2,161,177,770                  
Total shares (in shares) 10,262,105,135 10,805,888,850                  
“BD” Units | Ordinary shares                      
Disclosure of classes of share capital [line items]                      
Capital stock issued (in shares) 37,236,012                    
Total shares (in shares) 186,000,000                    
Coca-Cola FEMSA                      
Disclosure of classes of share capital [line items]                      
Dividend payable, premium, as percentage of non-premium dividend 100.00%                    
Coca-Cola FEMSA | Ordinary shares                      
Disclosure of classes of share capital [line items]                      
Dividend approved to be paid $ 15,462 $ 12,773 $ 12,185     $ 15,462     $ 12,773   $ 12,185