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Intangible Assets, Net and Goodwill - Additional Information (Detail) - MXN ($) $ in Thousands |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2022 | May 31, 2022 | Dec. 31, 2023 | Nov. 30, 2023 | Oct. 31, 2023 | Jul. 31, 2023 | Jun. 30, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Mar. 31, 2022 | Nov. 30, 2021 | Feb. 28, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,752,128
Disbursement Payment For Acquisition Transactions |  |  | $ 6,214,643 |  |  |  |  |  |  |  |  |  |  | $ 6,214,643 |  |
Mexico [member] | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license | $ 721,647 |  | 1,239,373 |  |  |  |  |  |  |  |  |  |  |  |  |
ARGENTINA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  | $ 304,386 |  |  |  |  |
ARGENTINA | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  | $ 8,731,237 |  |  |  |  |  |  |  |  |  |  |  |
ARGENTINA | ENACOM [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  | $ 411,930 |  |  |  |  |  |
NICARAGUA | Renewal of Mobile Frequency [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  | $ 357,478 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful life of intangible assets |  | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
BRAZIL | Renewal of Mobile Frequency [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  | 593,273 |  |
CROATIA | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  | $ 422,502 |  |  |  |  |  |  |  |
BULGARIA | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  | $ 2,220,558 |  |  |  |  |  |  |  |  |  |  |  |  |
COLOMBIA | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  | $ 1,949,048 |  |  |  |  |  |  |  |  |  |  |
URUGUAY | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  | $ 464,828 |  |  |  |  |  |  |  |  |  |
Acquisitions 2021 [Member] | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,873,860
Acquisitions 2022 [Member] | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18,065,088 |
Acquisitions 2023 [Member] | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,119,319 |  |
FiveG Licence [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,008,503
Licence Expiration Year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2041 years
Other licenses [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 706,900
IRU [Member] | COLOMBIA | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  | 214,792 |  |
IRU [Member] | PUERTO RICO | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  | 296,247 |  |
IRU [Member] | UNITED STATES | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  | $ 1,859,262 |  |  |  |  |  |  | 180,956 |  |
IRU [Member] | PERU | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  | $ 149,567 |  |  |  |  | 132,387 |  |
Claro Brazil [Member] | FiveG Licence [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  | $ 17,789,163 |  |  |  |
Claro [Member] | Software Development Platform [Member] | BRAZIL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 321,569 |
Dominican Republic, Paraguay, Costa Rica and Colombia [Member] | Other licenses [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 208,866 |
Peru Ecuador El Salvador and Paraguay [Member] | Other licenses [member] | Spectrum Frequency Band Concession Titles [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  | 360,903 |  |
El Salvador [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  | $ 139,363 |  |  |
Estimated useful life of intangible assets |  |  |  |  |  |  |  |  |  |  |  |  | 20 years |  |  |
COLOMBIA | Renewal of license [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,599,473 |  |
COLOMBIA | Top of range [member] | Renewal of license [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licence Expiration Year |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |
COLOMBIA | Bottom of range [member] | Renewal of license [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Licence Expiration Year |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |
Chile [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of intangible assets and goodwill [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount paid for license |  |  |  |  |  |  |  |  |  |  |  |  | $ 411,375 |  |  |
Estimated useful life of intangible assets |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |

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