XML 197 R115.htm IDEA: XBRL DOCUMENT v3.23.1
Employee Benefits - Summary of the Actuarial Results Generated for the Pension and Retirement Plans as well as the Medical Services (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of actuarial results generated for the pension and retirement plans [line items]      
Balance at the beginning of the year $ 131,410,989 $ 154,847,297 $ 140,696,974
Current service cost 1,534,180 2,090,896 2,810,584
Interest cost on projected benefit obligation 30,565,134 28,913,257 30,482,173
Expected return on plan assets (18,819,322) (15,112,669) (17,655,119)
Changes in the asset ceiling during the period and others 398,399 215,544 278,639
Past service costs and other 142,911 139,910 148,253
Actuarial gain for changes in experience (43,603) (23,024) (8,945)
Actuarial (gain) from changes in demographic assumption (64) (48) (270)
Actuarial (gain) loss from changes in financial assumptions (88,990) (6,907) 20,219
Net period cost 13,688,645 16,216,959 16,075,534
Actuarial loss for changes in experience 2,747,706 10,728,950  
Actuarial gain for changes in experience     (9,677)
Actuarial loss/(gain) from changes in demographic assumptions 55,037 (104,568) (103,987)
Others     (924,084)
Actuarial (gain)/loss from changes in financial assumptions (9,838,708) (4,099,321) 3,475,345
Changes in the asset ceiling during the period and others 1,283,501 969,433 (542,430)
Return on plan assets greater than discount rate (shortfall) 13,719,181 (22,198,615) 12,320,777
Recognized in other comprehensive income 7,966,717 (14,704,121) 14,215,944
Contributions to the pension plan made by the Company 516,280 311,108 (1,882,654)
Benefits paid (281,579) (225,876)  
Payments to employees (23,753,735) (25,042,314) (14,426,720)
Plan changes 12,461    
Effect of translation (1,159,387) 7,936 168,219
Others (24,665,960) (24,949,146) (16,141,155)
Balance at the end of the year 128,400,391 131,410,989 154,847,297
Less short-term portion (275,209) (236,304) (268,940)
Non-current obligation 128,125,182 131,174,685 154,578,357
Defined benefit obligation [member]      
Disclosure of actuarial results generated for the pension and retirement plans [line items]      
Balance at the beginning of the year 345,315,712 343,003,240 342,569,774
Current service cost 1,534,180 2,090,896 2,810,584
Interest cost on projected benefit obligation 30,565,134 28,913,257 30,482,173
Actuarial gain for changes in experience (43,603) (23,024) (8,945)
Actuarial (gain) from changes in demographic assumption (64) (48) (270)
Actuarial (gain) loss from changes in financial assumptions (88,990) (6,907) 20,219
Net period cost 31,966,657 30,974,174 33,303,761
Actuarial loss for changes in experience 2,747,706 10,728,950  
Actuarial gain for changes in experience     (9,677)
Actuarial loss/(gain) from changes in demographic assumptions 55,037 (104,568) (103,987)
Others     (924,084)
Actuarial (gain)/loss from changes in financial assumptions (9,838,708) (4,099,321) 3,475,345
Recognized in other comprehensive income (7,035,965) 6,525,061 2,437,597
Contributions made by plan participants 78,642 99,201 137,947
Benefits paid (13,502,781) (10,574,420) (19,740,727)
Payments to employees (23,753,735) (25,042,314) (14,426,720)
Plan changes 12,461    
Effect of translation (2,218,050) 330,770 (1,278,392)
Others (39,383,463) (35,186,763) (35,307,892)
Balance at the end of the year 330,862,941 345,315,712 343,003,240
Less short-term portion (275,209) (236,304) (268,940)
Non-current obligation 330,587,732 345,079,408 342,734,300
Plan assets [member]      
Disclosure of actuarial results generated for the pension and retirement plans [line items]      
Balance at the beginning of the year (218,327,182) (191,549,583) (206,300,821)
Expected return on plan assets (18,819,322) (15,112,669) (17,655,119)
Past service costs and other 142,911 139,910 148,253
Net period cost (18,676,411) (14,972,759) (17,506,866)
Return on plan assets greater than discount rate (shortfall) 13,719,181 (22,198,615) 12,320,777
Recognized in other comprehensive income 13,719,181 (22,198,615) 12,320,777
Contributions made by plan participants (78,642) (99,201) (137,947)
Contributions to the pension plan made by the Company 516,280 311,108 (1,882,654)
Benefits paid 13,221,202 10,348,544 19,740,727
Effect of translation 1,098,953 (166,676) 2,217,201
Others 14,757,793 10,393,775 19,937,327
Balance at the end of the year (208,526,619) (218,327,182) (191,549,583)
Non-current obligation (208,526,619) (218,327,182) (191,549,583)
Effect of asset celling [member]      
Disclosure of actuarial results generated for the pension and retirement plans [line items]      
Balance at the beginning of the year 4,422,459 3,393,640 4,428,021
Changes in the asset ceiling during the period and others 398,399 215,544 278,639
Net period cost 398,399 215,544 278,639
Changes in the asset ceiling during the period and others 1,283,501 969,433 (542,430)
Recognized in other comprehensive income 1,283,501 969,433 (542,430)
Effect of translation (40,290) (156,158) (770,590)
Others (40,290) (156,158) (770,590)
Balance at the end of the year 6,064,069 4,422,459 3,393,640
Non-current obligation $ 6,064,069 $ 4,422,459 $ 3,393,640