v3.25.1
Employee Benefits, Defined Benefit Obligation (DBO), Plan Assets for Pension and Other Benefit Obligation Plans (Details) - MXN ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets $ 157,866,603 $ 134,420,606 $ 128,400,391 $ 131,410,989
Reportable Segments [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 157,573,696 134,188,504    
Reportable Segments [Member] | Mexico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 143,699,214 118,286,212    
Reportable Segments [Member] | Puerto Rico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 6,954,741 7,227,422    
Reportable Segments [Member] | Brazil [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 3,540,352 5,290,237    
Reportable Segments [Member] | Europe [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 3,379,389 3,384,633    
DBO [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 343,421,367 334,458,153 330,862,941 345,315,712
DBO [Member] | Reportable Segments [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 343,128,460 334,226,051    
DBO [Member] | Reportable Segments [Member] | Mexico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 303,027,238 293,551,400    
DBO [Member] | Reportable Segments [Member] | Puerto Rico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 24,608,173 22,244,771    
DBO [Member] | Reportable Segments [Member] | Brazil [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 12,113,660 15,045,247    
DBO [Member] | Reportable Segments [Member] | Europe [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 3,379,389 3,384,633    
Plan Assets [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets (190,035,808) (204,092,587) (208,526,619) (218,327,182)
Plan Assets [Member] | Reportable Segments [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets (190,035,808) (204,092,587)    
Plan Assets [Member] | Reportable Segments [Member] | Mexico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets (159,328,024) (175,265,188)    
Plan Assets [Member] | Reportable Segments [Member] | Puerto Rico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets (17,653,432) (15,017,349)    
Plan Assets [Member] | Reportable Segments [Member] | Brazil [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets (13,054,352) (13,810,050)    
Plan Assets [Member] | Reportable Segments [Member] | Europe [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 0 0    
Effect of Asset Ceiling [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 4,481,044 4,055,040 $ 6,064,069 $ 4,422,459
Effect of Asset Ceiling [Member] | Reportable Segments [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 4,481,044 4,055,040    
Effect of Asset Ceiling [Member] | Reportable Segments [Member] | Mexico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 0 0    
Effect of Asset Ceiling [Member] | Reportable Segments [Member] | Puerto Rico [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 0 0    
Effect of Asset Ceiling [Member] | Reportable Segments [Member] | Brazil [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets 4,481,044 4,055,040    
Effect of Asset Ceiling [Member] | Reportable Segments [Member] | Europe [Member]        
Defined Benefit Obligation, Plan Assets for Pension and Other Benefit Plans [Abstract]        
Defined benefit obligation and plan assets $ 0 $ 0