v3.25.1
Bonus Programs - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2024
MXN ($)
shares
Dec. 31, 2023
MXN ($)
shares
Dec. 31, 2022
MXN ($)
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Annual bonus percentage 50.00%   50.00%
Bonus expense $ 1,611 $ 964 $ 1,527
Number of options granted | shares 0 0 0
The total expense recognized for the period arising from share-based payment transactions $ 369 $ 319 $ 326
Share based payments $ 414 $ 534  
FEMSA      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Annual bonus percentage 50.00%    
Vesting percentage 33.00%    
Number of options granted | shares 3,876,340,000,000