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Description of the Business and Relevant Events - Additional Information (Detail) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  | 9 Months Ended | 12 Months Ended
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Sep. 22, 2023 EUR (€) Towers | Jul. 24, 2023 | Jul. 06, 2023 EUR (€) | Jun. 30, 2023 MXN ($) Towers | Jun. 26, 2023 MXN ($) | Jun. 09, 2023 EUR (€) | Apr. 27, 2023 MXN ($) $ / shares | Feb. 06, 2023 | Feb. 03, 2023 MXN ($) Towers | Sep. 30, 2023 MXN ($) Country | Sep. 30, 2022 MXN ($) | [1] | Dec. 31, 2022
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Corporate information description |  |  |  |  |  |  |  |  |  | América Móvil, S.A.B. de C.V. and subsidiaries (hereinafter, the “Company”, “América Móvil”, “AMX”, “we”, “us” and “our”) was incorporated under the laws of Mexico on September 25, 2000. As of September 30, 2023, the Company provides telecommunications services in 22 countries, as well as through a joint venture in Chile, throughout Latin America, the Caribbean and Europe. These telecommunications services include mobile and fixed-line voice services, wireless and fixed data services, internet access and Pay TV, over the top (OTT) and other related services. The Company also sells equipment, accessories and computers. |  |
Number of countries in which company operates | Country |  |  |  |  |  |  |  |  |  | 22 |  |
Number of countries in which company holds license | Country |  |  |  |  |  |  |  |  |  | 22 |  |
Proceeds from the sale of property plant and equipment spin off |  |  |  |  |  |  |  |  |  | $ 6,997,431 | $ 207,731 |
Dividends paid, ordinary shares per share | $ / shares |  |  |  |  |  |  | $ 0.46 |  |  |  |  |
Validity of Agreement of Shareholders |  |  |  |  |  |  |  | 10 years |  |  |  |
Global Pesos Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument face value |  |  |  |  | $ 130,000,000 |  |  |  |  |  |  |
Debt Instrument Term |  |  |  |  | 5 years |  |  |  |  |  |  |
Nine Point Five Percent Sustainable Bonds [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument face value |  |  |  |  | $ 17,000,000 |  |  |  |  |  |  |
Debt Instrument Term |  |  |  |  | 7 years |  |  |  |  |  |  |
Borrowings interest rate |  |  |  |  | 9.50% |  |  |  |  |  |  |
Approval of Shareholders Transactions [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Repurchase funds authorised amount |  |  |  |  |  |  | $ 20,000,000 |  |  |  |  |
Dividends paid, ordinary shares per share | $ / shares |  |  |  |  |  |  | $ 0.46 |  |  |  |  |
Telekom Austria AG [member] | COUNTRY A T [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Percentage of voting rights in subsidiary acquired during the period |  | 5.55% |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary |  |  |  |  |  |  |  |  |  | 56.55% |  | 51.00%
Telekom Austria AG [member] | COUNTRY A T [Member] | EURO Telesites AG [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Debt transferred pursuant to spin off | € | € 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |
Number of towers transferred pursuant to spin off | Towers | 13,000 |  |  |  |  |  |  |  |  |  |  |
Share exchange ratio based on which the shares will be issued by the new company | 0.25 |  |  |  |  |  |  |  |  |  |  |
Telecommunications Towers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Number of telecommunications towers transferred under spin off | Towers |  |  |  | 3,480 |  |  |  |  |  |  |  |
Sitios Latinoamrica, S.A.B. de C.V [Member] | Telecommunications Towers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Number of telecommunications towers transferred under spin off | Towers |  |  |  | 2,980 |  |  |  |  | 1,388 |  |  |
Proceeds from the sale of property plant and equipment spin off |  |  |  | $ 3,950,079 |  |  |  |  | $ 2,419,568 |  |  |
Telesites SAB de CV [member] | Series One Hybrid Notes [member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument principal amount of debt closed | € |  |  |  |  |  | € 500,000,000 |  |  |  |  |  |
Telesites SAB de CV [member] | Loan Raised By Way Of Bonds Issue [Member] | Five Point Two Five Percent Euro Five Hundred Million Bond [Member] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shareholding approval of spin off |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument face value | € |  |  | € 500,000,000 |  |  |  |  |  |  |  |  |
Debt Instrument Term |  |  | 5 years |  |  |  |  |  |  |  |  |
Borrowings interest rate |  |  | 5.25% |  |  |  |  |  |  |  |  |
[1] | Restated for discontinued operations.

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