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Non Controlling Interest in Consolidated Subsidiaries - Summary of Non Controlling Interest in Consolidated Subsidiaries (Detail) - MXN ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of non controlling interest in consolidated subsidiaries [Line Items]        
Non-controlling interests $ 6,680 $ 6,491 $ 6,022 $ 5,583
Mexico        
Disclosure of non controlling interest in consolidated subsidiaries [Line Items]        
Non-controlling interests 5,459 5,337 5,200  
Colombia        
Disclosure of non controlling interest in consolidated subsidiaries [Line Items]        
Non-controlling interests 80 16 19  
Brazil        
Disclosure of non controlling interest in consolidated subsidiaries [Line Items]        
Non-controlling interests $ 1,141 $ 1,138 $ 803