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Property, Plant and Equipment, net, Property, Plant and Equipment, Net (Details)
$ in Thousands, $ in Millions
 12 Months Ended
Jul. 31, 2023
Telecommunication
Mar. 30, 2023
Telecommunication
Feb. 03, 2023
Telecommunication
Dec. 31, 2024
MXN ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2022
MXN ($)
Telecommunication
Property plant and equipments net [Abstract]              
Beginning balance       $ 628,650,904   $ 657,226,210 $ 731,196,679
Additions       127,886,893   144,607,028 227,067,886
Retirements       (14,987,146)   (10,591,479) [1],[2] (97,343,915) [3]
Business combinations       33,764,113 [4]     1,475,682 [5]
Revaluation adjustments       2,160,477 [6]   (5,394,784) [7] (51,540,632) [8]
Transfer       (4,559,179)   (4,368,760) (4,121,663)
Incorporation (merger, spin-off, sale) [9]             (14,851,922)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       52,164,488 [10]   (50,848,185) [11] (23,287,597)
Depreciation Property Plant and Equipment Net       (111,296,121)   (101,979,126) (111,368,308)
Ending balance       713,784,429 $ 35,218 628,650,904 657,226,210
Property, plant and equipment, revaluation surplus       10,457,088   9,239,279 38,353,719
Sitios Latam [Member]              
Property plant and equipments net [Abstract]              
Revaluation adjustments           (6,957,275) $ 50,880,804
Number of telecommunications towers | Telecommunication             29,090
Number of telecommunications towers disposed | Telecommunication 224 2,980 1,388        
EuroTeleSites AG [Member]              
Property plant and equipments net [Abstract]              
Revaluation adjustments       2,160,477      
Property, plant and equipment, revaluation surplus           1,562,491  
Argentinean subsidiaries [Member]              
Property plant and equipments net [Abstract]              
Effect of translation of foreign subsidiaries and hyperinflation adjustment           (5,956,256)  
Hyper inflationary adjustment to subsidiaries       25,160,101      
Cost [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       1,233,363,817   1,317,191,454 $ 1,408,997,290
Additions       127,886,893   144,607,028 227,067,886
Retirements       (48,602,470)   (46,666,137) [1],[2] (160,497,007) [3]
Business combinations       33,764,113 [4]     1,475,682 [5]
Revaluation adjustments       1,290,655 [6]   (6,302,540) [7] (55,639,215) [8]
Transfer       (4,335,455)   (4,198,998) (3,847,652)
Incorporation (merger, spin-off, sale) [9]             (19,176,964)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       135,395,896 [10]   (171,266,990) [11] (81,188,566)
Depreciation for the year       0   0 0
Ending balance       1,478,763,449   1,233,363,817 1,317,191,454
Cost [Member] | Network in Operation and Equipment [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       959,410,692   1,026,018,942 1,111,714,837
Additions       42,823,075   50,024,889 56,307,013
Retirements       (29,154,250)   (33,329,584) [1],[2] (64,315,475) [3]
Business combinations       22,800,844 [4]     1,415,252 [5]
Revaluation adjustments       1,290,655 [6]   (6,302,540) [7] (55,639,215) [8]
Transfer       64,489,657   70,929,358 63,171,840
Incorporation (merger, spin-off, sale) [9]             (18,399,253)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       120,602,682 [10]   (147,930,373) [11] (68,236,057)
Depreciation for the year       0   0 0
Ending balance       1,182,263,355   959,410,692 1,026,018,942
Cost [Member] | Land and Buildings [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       40,399,550   43,754,276 48,019,609
Additions       161,317   460,406 596,165
Retirements       (147,047)   (623,086) [1],[2] (2,021,550) [3]
Business combinations       396,315 [4]     0 [5]
Revaluation adjustments       0 [6]   0 [7] 0 [8]
Transfer       3,074,956   912,321 737,667
Incorporation (merger, spin-off, sale) [9]             0
Effect of translation of foreign subsidiaries and hyperinflation adjustment       3,771,664 [10]   (4,104,367) [11] (3,577,615)
Depreciation for the year       0   0 0
Ending balance       47,656,755   40,399,550 43,754,276
Cost [Member] | Other Assets [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       140,860,113   145,240,123 152,140,132
Additions       9,230,523   9,207,577 12,325,614
Retirements       (9,270,502)   (4,659,627) [1],[2] (13,642,510) [3]
Business combinations       1,669,061 [4]     23,723 [5]
Revaluation adjustments       0 [6]   0 [7] 0 [8]
Transfer       1,302,049   91,200 559,935
Incorporation (merger, spin-off, sale) [9]             (698,522)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       5,534,769 [10]   (9,019,160) [11] (5,468,249)
Depreciation for the year       0   0 0
Ending balance       149,326,013   140,860,113 145,240,123
Cost [Member] | Construction in Process and Advances Plant Suppliers [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       60,818,708 [12],[13]   59,819,638 [13],[14] 63,324,666 [14]
Additions       53,618,806 [12]   60,315,693 [13] 96,511,498 [14]
Retirements       (4,040,469) [12]   (3,541,460) [1],[2],[13] (49,559,746) [3],[14]
Business combinations       6,099,339 [4],[12]     36,707 [5],[14]
Revaluation adjustments       0 [6],[12]   0 [7],[13] 0 [8],[14]
Transfer       (51,567,114) [12]   (52,383,308) [13] (48,393,706) [14]
Incorporation (merger, spin-off, sale) [9],[14]             (72,194)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       3,449,438 [10],[12]   (3,391,855) [11],[13] (2,027,587) [14]
Depreciation for the year       0 [12]   0 [13] 0 [14]
Ending balance       68,378,708 [12]   60,818,708 [12],[13] 59,819,638 [13],[14]
Cost [Member] | Spare Parts for Operation of the Network [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       31,874,754   42,358,475 33,798,046
Additions       22,053,172   24,598,463 61,327,596
Retirements       (5,990,202)   (4,512,380) [1],[2] (30,957,726) [3]
Business combinations       2,798,554 [4]     0 [5]
Revaluation adjustments       0 [6]   0 [7] 0 [8]
Transfer       (21,635,003)   (23,748,569) (19,923,388)
Incorporation (merger, spin-off, sale) [9]             (6,995)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       2,037,343 [10]   (6,821,235) [11] (1,879,058)
Depreciation for the year       0   0 0
Ending balance       31,138,618   31,874,754 42,358,475
Accumulated Depreciation [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       (604,712,913)   (659,965,244) (677,800,611)
Additions       0   0 0
Retirements       33,615,324   36,074,658 [1],[2] 63,153,092 [3]
Business combinations       0 [4]     0 [5]
Revaluation adjustments       869,822 [6]   907,756 [7] 4,098,583 [8]
Transfer       (223,724)   (169,762) (274,011)
Incorporation (merger, spin-off, sale) [9]             4,325,042
Effect of translation of foreign subsidiaries and hyperinflation adjustment       (83,231,408) [10]   120,418,805 [11] 57,900,969
Depreciation for the year       (111,296,121)   (101,979,126) (111,368,308)
Ending balance       (764,979,020)   (604,712,913) (659,965,244)
Accumulated Depreciation [Member] | Network in Operation and Equipment [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       (512,944,456)   (565,890,076) (574,672,058)
Additions       0   0 0
Retirements       24,555,371   32,420,796 [1],[2] 52,703,338 [3]
Business combinations       0 [4]     0 [5]
Revaluation adjustments       869,822 [6]   907,756 [7] 4,098,583 [8]
Transfer       1,115,687   (106,646) 71,627
Incorporation (merger, spin-off, sale) [9]             (4,827,813)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       (78,164,080) [10]   109,318,572 [11] 52,313,781
Depreciation for the year       (99,606,465)   (89,594,858) (95,577,534)
Ending balance       (664,174,121)   (512,944,456) (565,890,076)
Accumulated Depreciation [Member] | Buildings [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       (6,790,277)   (8,399,608) (9,849,503)
Additions       0   0 0
Retirements       104,005   503,192 [1],[2] 622,956 [3]
Business combinations       0 [4]     0 [5]
Revaluation adjustments       0 [6]   0 [7] 0 [8]
Transfer       (1,564,790)   63,923 (47,578)
Incorporation (merger, spin-off, sale) [9]             219,174
Effect of translation of foreign subsidiaries and hyperinflation adjustment       (2,695,078) [10]   2,739,797 [11] 2,356,617
Depreciation for the year       (1,907,221)   (1,697,581) (1,701,274)
Ending balance       (12,853,361)   (6,790,277) (8,399,608)
Accumulated Depreciation [Member] | Other Assets [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       (85,175,222)   (85,574,405) (93,259,679)
Additions       0   0 0
Retirements       8,868,467   3,094,804 [1],[2] 9,711,246 [3]
Business combinations       0 [4]     0 [5]
Revaluation adjustments       0 [6]   0 [7] 0 [8]
Transfer       542,377   (139,191) (298,060)
Incorporation (merger, spin-off, sale) [9]             8,940,398
Effect of translation of foreign subsidiaries and hyperinflation adjustment       (2,176,603) [10]   7,960,435 [11] 3,146,276
Depreciation for the year       (9,835,660)   (10,516,865) (13,814,586)
Ending balance       (87,776,641)   (85,175,222) (85,574,405)
Accumulated Depreciation [Member] | Spare Parts for Operation of the Network [Member]              
Property plant and equipments net [Abstract]              
Beginning balance       197,042   (101,155) (19,371)
Additions       0   0 0
Retirements       87,481   55,866 [1],[2] 115,552 [3]
Business combinations       0 [4]     0 [5]
Revaluation adjustments       0 [6]   0 [7] 0 [8]
Transfer       (316,998)   12,152 0
Incorporation (merger, spin-off, sale) [9]             (6,717)
Effect of translation of foreign subsidiaries and hyperinflation adjustment       (195,647) [10]   400,001 [11] 84,295
Depreciation for the year           (169,822) (274,914)
Depreciation for the year       53,225      
Ending balance       $ (174,897)   $ 197,042 $ (101,155)
[1] Includes disposals for the sale of 2,980 and 224 telecommunications towers on March 30 and July 31, 2023, respectively, owned by its subsidiary in Peru to Sitios Latam.
[2] It includes disposals related to the sale of 1,388 telecommunications towers on February 3, 2023, owned by its subsidiary in the Dominican Republic to Sitios Latam.
[3] Includes disposals of Chile’s separation process as a result of the Claro Chile, SpA joint venture. See Note 12b. Also includes disposals related to the sale of Claro Panama. See Note 2Ac and disposals related to the partial sale Claro Peru’s towers to Sitios Latam as of December 31, 2022.
[4] “Business combination” includes the acquisition of NTT Austria GmbH (now A1 ICT Austria), in Austria and Claro Chile, SpA, in Chile. See Note 12a.
[5] “Business Combination” includes the acquisition of Grupo Oi, Jonava and Ustore, in Brazil. See Note 12a.
[6] Includes the surplus associated with the valuation of the telecommunications towers of EuroTeleSites AG and subsidiaries, for an amount of Ps. 2,160,477.
[7] Includes the surplus associated with the telecommunications towers that were transferred by the sale to Sitios Latam, described previously, for an amount of Ps. (6,957,275). In addition, includes the surplus associated with the valuation of the telecommunications towers of EuroTeleSites AG and subsidiaries, for an amount of Ps. 1,562,491.
[8] ¨Revaluation adjustments” include the surplus associated with the 29,090 telecommunications towers, for an amount of Ps. 50,880,804 that was transferred as part of the spin-off of assets to Sitios Latam described in Note 12d.
[9] “Incorporation (merger, spin-off, sale)” includes disposals associated as spin-off of assets to Sitios Latam described in Note 12d.
[10] Includes a hyperinflation adjustment associated to Argentinean subsidiaries for an amount of Ps. 25,160,101.
[11] Includes a hyperinflation adjustment associated to Argentinean subsidiaries for an amount of Ps. (5,956,256).
[12] Construction in progress includes fixed and mobile network facilities as well as satellite developments and fiber optic which is in the process of being installed
[13] The construction in progress includes fixed and mobile network installations, as well as satellite and fiber optic developments that are in the process of being installed.
[14] Construction in progress includes fixed and mobile network facilities as well as satellite developments and fiber optic which is in the process of being installed.