v3.25.1
Post-employment Benefits - Benefit obligation (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Post-employment pension plans.    
Beginning of year $ 733,049 $ 771,468
Retirement of spun-off businesses (84,067)  
Service cost 76,323 82,190
Interest cost 109,698 110,925
Benefits paid (75,010) (42,141)
Remeasurement of post-employment benefit obligations 62,779 (83,935)
Past service cost (14,694) (64,812)
End of year 772,482 733,049
Pensions    
Post-employment pension plans.    
Beginning of year 243,131  
Retirement of spun-off businesses (64,142)  
Benefits paid (40,360)  
Remeasurement of post-employment benefit obligations (10,297)  
End of year 172,493 243,131
Seniority Premiums    
Post-employment pension plans.    
Beginning of year 489,918  
Retirement of spun-off businesses (19,925)  
Benefits paid (34,650)  
Remeasurement of post-employment benefit obligations 73,076  
End of year 599,989 489,918
Defined benefit obligation    
Post-employment pension plans.    
Beginning of year 1,207,528 1,277,233
Retirement of spun-off businesses (85,955)  
Service cost 76,323 82,190
Interest cost 109,698 110,925
Benefits paid (158,525) (73,644)
Remeasurement of post-employment benefit obligations 70,089 (124,364)
Past service cost (14,694) (64,812)
End of year 1,204,464 1,207,528
Defined benefit obligation | Pensions    
Post-employment pension plans.    
Beginning of year 679,222  
Retirement of spun-off businesses (65,049)  
Service cost 23,696  
Interest cost 59,372  
Benefits paid (123,417)  
Remeasurement of post-employment benefit obligations (4,724)  
Past service cost (6,904)  
End of year 562,196 679,222
Defined benefit obligation | Seniority Premiums    
Post-employment pension plans.    
Beginning of year 528,306  
Retirement of spun-off businesses (20,906)  
Service cost 52,627  
Interest cost 50,326  
Benefits paid (35,108)  
Remeasurement of post-employment benefit obligations 74,813  
Past service cost (7,790)  
End of year $ 642,268 $ 528,306