v3.25.1
Other Liabilities, Provisions and Commitments - Summary of Changes in Balance of Provisions Recorded (Detail) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of other provisions [line items]      
Balance at beginning of the period $ 3,270    
Balance at end of the period 2,788 $ 3,270  
Taxes      
Disclosure of other provisions [line items]      
Balance at beginning of the period 1,348 1,823 $ 2,066
Penalties and other charges 69 228 109
New contingencies 4 4 306
Cancellation and adjustments (283) (447) (177)
Payments (107) (155) (473)
Effect of foreign currency exchange rates (91) (105) (8)
Balance at end of the period 940 1,348 1,823
Cancellation and adjustments, reduction of accessories in contingencies 240    
Labor      
Disclosure of other provisions [line items]      
Balance at beginning of the period 1,308 1,385 1,472
Penalties and other charges 71 64 80
New contingencies 361 843 516
Cancellation and adjustments (340) (523) (385)
Contingencies added in business combinations 0 0 65
Payments (181) (308) (301)
Effect of foreign currency exchange rates (39) (153) (62)
Balance at end of the period 1,180 1,308 1,385
Legal      
Disclosure of other provisions [line items]      
Balance at beginning of the period 614 679 612
Penalties and other charges 52 50 57
New contingencies 36 117 75
Cancellation and adjustments (35) (109) (79)
Contingencies added in business combinations 0 0 149
Payments (5) (68) (110)
Effect of foreign currency exchange rates 6 (55) (25)
Balance at end of the period $ 668 $ 614 $ 679