v3.25.1
Income Taxes, Breakdown of Net Deferred Tax Assets (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets $ 125,485,470 $ 116,614,520 $ 98,415,751
Deferred tax benefit in net profit for the year 12,920,451 13,810,280 1,455,448
Deferred tax from discontinued operations 0 0 1,808,298
Provisions [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets 39,976,016 29,562,781  
Deferred tax benefit in net profit for the year (2,577,054) 15,065,996 1,759,784
Deferred Revenues [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets 13,475,756 8,691,188  
Deferred tax benefit in net profit for the year 560,731 1,767 (688,767)
Tax Losses Carry Forward [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets 38,397,674 36,970,123  
Deferred tax benefit in net profit for the year 508,256 8,575,209 1,202,546
Property, Plant and Equipment [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets [1] (3,830,404) (8,699,418)  
Deferred tax benefit in net profit for the year (239,696) 2,157,776 1,696,734
Inventories [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets 965,844 1,054,611  
Deferred tax benefit in net profit for the year 12,715 669,382 253,932
Licenses and Rights of Use [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets [1] (13,293,040) (2,621,672)  
Deferred tax benefit in net profit for the year 372,803 141,060 229,244
Employee Benefits [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets 35,455,273 34,663,794  
Deferred tax benefit in net profit for the year (3,431,627) (3,224,333) (6,148,504)
Other [Member]      
Breakdown of Net Deferred Tax Assets [Abstract]      
Net deferred tax assets 14,338,351 16,993,113  
Deferred tax benefit in net profit for the year $ 17,714,323 $ (9,576,577) $ 3,150,479
[1] As of December 31, 2023 and 2024, the balance included the effects of hyperinflation and revaluation of telecommunications towers.