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Business combinations, acquisitions, non-controlling interest and spin-off, Acquisitions 2024 (Details) $ in Thousands, $ in Millions, $ in Billions |  |  |  |  | 12 Months Ended
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Dec. 20, 2024 MXN ($) | Dec. 20, 2024 CLP ($) | Oct. 31, 2024 MXN ($) | Oct. 31, 2024 USD ($) | Oct. 03, 2024 | Oct. 06, 2022 | Dec. 31, 2024 MXN ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 MXN ($) | Dec. 31, 2022 MXN ($)
Acquisition [Abstract] |  |  |  |  |  |  |  |  |  |
Aggregate consideration of equity consideration |  |  |  |  |  |  | $ 72,513 | $ 4 | $ 459,750 | $ 1,043,954
Consideration transferred |  |  |  |  |  |  |  |  |  |
Non-controlling interest |  |  |  |  |  |  | 2,310,084 | $ 114 | $ 6,263,945 | $ 39,596
Liberty Latin America [Member] |  |  |  |  |  |  |  |  |  |
Acquisition [Abstract] |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  |  |  |  | 50.00% | 50.00% |  |  |  |
Claro Chile, SPA [Member] |  |  |  |  |  |  |  |  |  |
Acquisition [Abstract] |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  |  | 50.00% | 50.00% |  |  |  |  |  |
Proportion of interest held by noncontrolling interest |  |  | 8.38% | 8.38% |  |  |  |  |  |
Aggregate consideration of equity consideration | $ 5,313,282 | $ 252.9 |  |  |  |  |  |  |  |
Claro Chile, SPA [Member] | Liberty Latin America [Member] |  |  |  |  |  |  |  |  |  |
Acquisition [Abstract] |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  |  | 50.00% | 50.00% |  |  |  |  |  |
Business acquisitions 2024 [Member] |  |  |  |  |  |  |  |  |  |
Acquisition [Abstract] |  |  |  |  |  |  |  |  |  |
Aggregate consideration of equity consideration |  |  |  |  |  |  | 2,306,271 |  |  |
Acquired Assets and Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  | $ 673,137 |  |  |  |  |  |  |
Other current assets |  |  | 11,390,425 |  |  |  |  |  |  |
Other non-current assets |  |  | 6,103,423 |  |  |  |  |  |  |
Intangible assets (excluding goodwill) |  |  | 763,101 |  |  |  |  |  |  |
Property, plant and equipment, net |  |  | 33,746,148 |  |  |  |  |  |  |
Right-of-use assets |  |  | 5,493,785 |  |  |  |  |  |  |
Total acquired assets |  |  | 58,170,019 |  |  |  |  |  |  |
Debt |  |  | (16,307,610) |  |  |  |  |  |  |
Liability related to right of use assets |  |  | (5,266,872) |  |  |  |  |  |  |
Accounts payable |  |  | (11,606,265) |  |  |  |  |  |  |
Other liabilities |  |  | (3,203,117) |  |  |  |  |  |  |
Total assumed liabilities |  |  | (36,383,864) |  |  |  |  |  |  |
Fair value of acquired assets and assumed liabilities - net of cash acquired |  |  | 21,786,155 |  |  |  |  |  |  |
Goodwill arising on acquisition |  |  | 4,735,752 |  |  |  |  |  |  |
Total fair value at the acquisition date |  |  | 26,521,907 |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |
Fair value of the joint venture prior to the acquisition |  |  | 6,721,525 |  |  |  |  |  |  |
Fair value of convertible notes |  |  | 5,594,492 |  |  |  |  |  |  |
Pre existing relationship |  |  | 13,928,078 |  |  |  |  |  |  |
Anticipated acquisition non-controlling interest |  |  | 277,812 |  |  |  |  |  |  |
Total fair value at the acquisition date |  |  | 26,521,907 |  |  |  |  |  |  |
Loss of acquiree since acquisition date |  |  | (781,355) |  |  |  |  |  |  |
Gain from fair value valuation and foreign currency translation |  |  | $ 4,674,598 |  |  |  |  |  |  |
Net of cash paid |  |  |  |  |  |  | 179,423 |  |  |
Non-controlling interest |  |  |  |  |  |  | $ 3,813 |  |  |
Business acquisitions 2024 [Member] | Claro Chile, SPA [Member] |  |  |  |  |  |  |  |  |  |
Acquisition [Abstract] |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  |  |  |  | 50.00% |  |  |  |  |
Proportion of interest held by noncontrolling interest |  |  | 8.38% | 8.38% |  |  |  |  |  |
Aggregate consideration of equity consideration |  |  |  | $ 16 |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |
Ownership interest in subsidiary |  |  | 91.62% | 91.62% |  |  |  |  |  |
Telekom Austria AG [Member] |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |
Percentage of voting rights in subsidiary acquired during the period |  |  |  |  |  |  | 2.22% |  |  |
Ownership interest in subsidiary |  |  |  |  |  |  | 60.60% | 60.60% |  |

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