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Intangible Assets, Net and Goodwill - Summary of Analysis of Intangible Assets (Detail) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Licenses and rights of use [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | $ 113,124,364 | $ 130,267,745 |  | $ 118,481,097 |
Acquisitions |  | 18,814,933 | 2,656,914 |  | 24,406,905 |
Acquisitions in business combinations |  |  | 95,147 |  |  |
Disposals and other |  | 1,137,717 | (349,118) | [1] | 2,041,443 | [2]
Amortization of the year |  | (11,643,803) | (13,323,410) | [3] | (14,387,511) | [4]
Effect of translation of foreign subsidiaries |  | (16,910,825) | (6,222,914) |  | (274,189) |
Balance at end of year |  | 104,522,386 | 113,124,364 |  | 130,267,745 |
Licenses and rights of use [member] | Cost [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 255,549,470 | 266,057,690 |  | 253,090,161 |
Acquisitions |  | 18,814,933 | 2,656,914 |  | 24,406,905 |
Acquisitions in business combinations |  |  | 95,147 |  |  |
Disposals and other |  | 1,201,681 | (1,785,196) | [1] | (4,427,685) | [2]
Effect of translation of foreign subsidiaries |  | (28,239,255) | (11,475,085) |  | (7,011,691) |
Balance at end of year |  | 247,326,829 | 255,549,470 |  | 266,057,690 |
Licenses and rights of use [member] | Accumulated depreciation [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | (142,425,106) | (135,789,945) |  | (134,609,064) |
Disposals and other |  | (63,964) | 1,436,078 | [1] | 6,469,128 | [2]
Amortization of the year |  | (11,643,803) | (13,323,410) | [3] | (14,387,511) | [4]
Effect of translation of foreign subsidiaries |  | 11,328,430 | 5,252,171 |  | 6,737,502 |
Balance at end of year |  | (142,804,443) | (142,425,106) |  | (135,789,945) |
Trademarks [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 3,014,557 | 3,292,163 |  | 3,777,418 |
Acquisitions |  | 198,532 | 183,631 |  | 75,100 |
Acquisitions in business combinations |  |  | 40,412 |  |  |
Disposals and other |  | (10,983) | (66,000) | [1] | (326,949) | [2]
Amortization of the year |  | (139,038) | (110,974) | [3] | (140,205) | [4]
Incorporation (Merge, Spin off, Sale/other) |  | 555 |  |  |  |
Effect of translation of foreign subsidiaries |  | (296,457) | (324,675) |  | (93,201) |
Balance at end of year |  | 2,767,166 | 3,014,557 |  | 3,292,163 |
Trademarks [member] | Cost [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 26,467,355 | 27,675,853 |  | 29,132,365 |
Acquisitions |  | 198,532 | 183,631 |  | 75,100 |
Acquisitions in business combinations |  |  | 40,412 |  |  |
Disposals and other |  | (11,554) | (66,000) | [1] | (1,129,666) | [2]
Incorporation (Merge, Spin off, Sale/other) |  | 555 |  |  |  |
Effect of translation of foreign subsidiaries |  | (1,313,470) | (1,366,541) |  | (401,946) |
Balance at end of year |  | 25,341,418 | 26,467,355 |  | 27,675,853 |
Trademarks [member] | Accumulated depreciation [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | (23,452,798) | (24,383,690) |  | (25,354,947) |
Disposals and other |  | 571 |  |  | 802,717 | [2]
Amortization of the year |  | (139,038) | (110,974) | [3] | (140,205) | [4]
Effect of translation of foreign subsidiaries |  | 1,017,013 | 1,041,866 |  | 308,745 |
Balance at end of year |  | (22,574,252) | (23,452,798) |  | (24,383,690) |
Customer relationships [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 4,857,673 | 3,361,164 |  | 4,153,661 |
Acquisitions |  | 5,550 | 22,842 |  | 229,936 |
Acquisitions in business combinations |  |  | 2,863,765 |  |  |
Disposals and other |  |  | (18) | [1] | (302,666) | [2]
Amortization of the year |  | (987,971) | (954,256) | [3] | (707,500) | [4]
Effect of translation of foreign subsidiaries |  | (414,238) | (435,824) |  | (12,267) |
Balance at end of year |  | 3,461,014 | 4,857,673 |  | 3,361,164 |
Customer relationships [member] | Cost [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 24,189,692 | 24,570,126 |  | 29,579,266 |
Acquisitions |  | 5,550 | 22,842 |  | 229,936 |
Acquisitions in business combinations |  |  | 2,863,765 |  |  |
Disposals and other | [2] |  |  |  | (4,133,408) |
Effect of translation of foreign subsidiaries |  | (3,505,503) | (3,267,041) |  | (1,105,668) |
Balance at end of year |  | 20,689,739 | 24,189,692 |  | 24,570,126 |
Customer relationships [member] | Accumulated depreciation [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | (19,332,019) | (21,208,962) |  | (25,425,605) |
Disposals and other |  |  | (18) | [1] | 3,830,742 | [2]
Amortization of the year |  | (987,971) | (954,256) | [3] | (707,500) | [4]
Effect of translation of foreign subsidiaries |  | 3,091,265 | 2,831,217 |  | 1,093,401 |
Balance at end of year |  | (17,228,725) | (19,332,019) |  | (21,208,962) |
Software licenses [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 6,702,592 | 4,813,462 |  | 5,067,698 |
Acquisitions |  | 5,846,212 | 5,108,485 |  | 2,659,704 |
Acquisitions in business combinations |  |  | 14,205 |  |  |
Disposals and other |  | 1,416,104 | 179,333 | [1] | (2,315) | [2]
Amortization of the year |  | (3,675,747) | (2,645,400) | [3] | (2,738,978) | [4]
Effect of translation of foreign subsidiaries |  | (691,276) | (767,493) |  | (172,647) |
Balance at end of year |  | 9,597,885 | 6,702,592 |  | 4,813,462 |
Software licenses [member] | Cost [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 16,217,975 | 15,251,136 |  | 17,301,146 |
Acquisitions |  | 5,846,212 | 5,108,485 |  | 2,660,330 |
Acquisitions in business combinations |  |  | 14,205 |  |  |
Disposals and other |  | 313,446 | (797,084) | [1] | (3,484,755) | [2]
Effect of translation of foreign subsidiaries |  | (3,021,588) | (3,358,767) |  | (1,225,585) |
Balance at end of year |  | 19,356,045 | 16,217,975 |  | 15,251,136 |
Software licenses [member] | Accumulated depreciation [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | (9,515,383) | (10,437,674) |  | (12,233,448) |
Acquisitions |  |  |  |  | (626) |
Disposals and other |  | 1,102,658 | 976,417 | [1] | 3,482,440 | [2]
Amortization of the year |  | (3,675,747) | (2,645,400) | [3] | (2,738,978) | [4]
Effect of translation of foreign subsidiaries |  | 2,330,312 | 2,591,274 |  | 1,052,938 |
Balance at end of year |  | (9,758,160) | (9,515,383) |  | (10,437,674) |
Content rights [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 1,194,236 | 1,491,230 |  | 1,977,093 |
Acquisitions |  | 737,465 | 874,961 |  | 818,436 |
Disposals and other |  | (50,175) | (260,416) | [1] | (429,415) | [2]
Amortization of the year |  | (672,760) | (881,352) | [3] | (899,666) | [4]
Effect of translation of foreign subsidiaries |  | (58,698) | (30,187) |  | 24,782 |
Balance at end of year |  | 1,150,068 | 1,194,236 |  | 1,491,230 |
Content rights [member] | Cost [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 12,783,404 | 13,002,320 |  | 12,036,312 |
Acquisitions |  | 737,465 | 874,961 |  | 818,436 |
Disposals and other |  | (50,175) | (263,798) | [1] | (281,747) | [2]
Effect of translation of foreign subsidiaries |  | (1,854,001) | (830,079) |  | 429,319 |
Balance at end of year |  | 11,616,693 | 12,783,404 |  | 13,002,320 |
Content rights [member] | Accumulated depreciation [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | (11,589,168) | (11,511,090) |  | (10,059,219) |
Disposals and other |  |  | 3,382 | [1] | (147,668) | [2]
Amortization of the year |  | (672,760) | (881,352) | [3] | (899,666) | [4]
Effect of translation of foreign subsidiaries |  | 1,795,303 | 799,892 |  | (404,537) |
Balance at end of year |  | (10,466,625) | (11,589,168) |  | (11,511,090) |
Intangibles, net [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 128,893,422 | 143,225,764 |  | 133,456,967 |
Acquisitions |  | 25,602,692 | 8,846,833 |  | 28,190,081 |
Acquisitions in business combinations |  |  | 3,013,529 |  |  |
Disposals and other |  | 2,492,663 | (496,219) | [1] | 980,098 | [2]
Amortization of the year |  | (17,119,319) | (17,915,392) | [3] | (18,873,860) | [4]
Incorporation (Merge, Spin off, Sale/other) |  | 555 |  |  |  |
Effect of translation of foreign subsidiaries |  | (18,371,494) | (7,781,093) |  | (527,522) |
Balance at end of year |  | 121,498,519 | 128,893,422 |  | 143,225,764 |
Goodwill [member] |  |  |  |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |  |  |  |
Balance at beginning of year |  | 141,121,365 | 136,578,194 |  | 143,052,859 |
Acquisitions |  |  | 14,447,186 |  |  |
Acquisitions in business combinations |  |  | 280,192 |  |  |
Disposals and other |  |  | (2,230,610) | [1] | (3,516,287) | [2]
Amortization of the year | [3] |  | (149,696) |  |  |
Effect of translation of foreign subsidiaries |  | 4,957,532 | (7,803,901) |  | (2,958,378) |
Balance at end of year |  | $ 146,078,897 | $ 141,121,365 |  | $ 136,578,194 |
[1] | Includes the transaction related to Panama and Chile disposal.
[2] | Includes disposals related to the sale of TracFone.
[3] | Includes the discontinued operations of Panama and the ClaroVTR joint venture. See Note 2, Ac.
[4] | Discontinued operations of Panama and the ClaroVTR joint venture. See Note 2. Ac.

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