v3.25.1
Income Taxes - Summary of Temporary Differences Giving Rise to Deferred Income Tax Liabilities (Assets) (Detail) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position $ (1,892) $ (4,450) $ (5,136) $ (5,632)
Deferred income tax related to consolidated statement of income 2,199 1,177 889  
Deferred tax, asset (6,209) (7,771)    
Deferred tax liabilities 4,317 3,321    
Expected credit losses        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (135) (64)    
Deferred income tax related to consolidated statement of income (70) 15 (15)  
Inventories        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position 100 53    
Deferred income tax related to consolidated statement of income 58 5 18  
Prepaid expenses        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position 22 20    
Deferred income tax related to consolidated statement of income 2 (4) (32)  
Property, plant and equipment, net        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (443) (1,150)    
Deferred income tax related to consolidated statement of income 455 314 (118)  
Other assets        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position 35 (190)    
Deferred income tax related to consolidated statement of income 203 45 86  
Finite useful lived intangible assets        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (121) (10)    
Deferred income tax related to consolidated statement of income (120) 1 48  
Indefinite lived intangible assets        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position 1,386 1,509    
Deferred income tax related to consolidated statement of income 260 591 123  
Post-employment and other non-current employee benefits        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (388) (438)    
Deferred income tax related to consolidated statement of income 45 (2) 15  
Derivative financial instruments        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (50) 75    
Deferred income tax related to consolidated statement of income (126) 73 (3)  
Contingencies        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (607) (921)    
Deferred income tax related to consolidated statement of income 290 (96) (23)  
Employee profit sharing payable        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (667) (533)    
Deferred income tax related to consolidated statement of income 134 174 (85)  
Tax loss carryforwards        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (3,717) (5,726)    
Deferred income tax related to consolidated statement of income 1,805 1,221 29  
Tax credits to recover        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (399) (726)    
Deferred income tax related to consolidated statement of income 326 342 327  
Cumulative other comprehensive income        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (69) (394)    
Deferred income tax related to consolidated statement of income 375 (211) (417)  
Liabilities of amortization of goodwill of business acquisition        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position 5,322 5,574    
Deferred income tax related to consolidated statement of income (252) (543) 0  
Leases liabilities, net        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (75) (43)    
Deferred income tax related to consolidated statement of income (39) (28) (37)  
Other        
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]        
Deferred income tax related to consolidated statement of financial position (2,086) (1,486)    
Deferred income tax related to consolidated statement of income $ (1,147) $ (720) $ 973