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Non-Controlling Interest in Consolidated Subsidiaries (Details)
$ in Millions, $ in Millions
Dec. 31, 2021
USD ($)
Dec. 31, 2021
MXN ($)
Dec. 31, 2020
MXN ($)
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]      
Non controlling interest $ 3,535 $ 72,516 $ 69,444
Coca-Cola FEMSA      
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]      
Non controlling interest   69,692 66,800
Other      
Disclosure Of Non Controlling Interest In Consolidated Subsidiaries [line items]      
Non controlling interest   $ 2,824 $ 2,644