Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices (Tables)

12 Months Ended

Dec. 31, 2024

Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices [Abstract]

Equity Interest on Subsidiaries

The equity interest in the most significant subsidiaries is as follows:

				Equity interest at December 31
		Country		2023				2024
Subsidiaries:
América Móvil B.V. ^a)		Netherlands			100.0	%			100.0	%
Compañía Dominicana de Teléfonos, S.A. (“Codetel”) ^b)		Dominican Republic			100.0	%			100.0	%
Sercotel, S.A. de C.V. ^a)		Mexico			100.0	%			100.0	%
Radiomóvil Dipsa, S.A. de C.V. and subsidiaries (“Telcel”) ^b)		Mexico			100.0	%			100.0	%
Puerto Rico Telephone Company, Inc. ^b)		Puerto Rico			100.0	%			100.0	%
Servicios de Comunicaciones de Honduras, S.A. de C.V. (“Sercom Honduras”) ^b)		Honduras			100.0	%			100.0	%
Claro S.A. ^b)		Brazil			99.6	%			99.6	%
AMX International Mobile S.A. de C.V.^a)		Mexico			100.0	%			100.0	%
Claro NXT Telecomunicações, S.A.^b)		Brazil			100.0	%			100.0	%
Telecomunicaciones de Guatemala, S.A. (“Telgua”) ^b)		Guatemala			99.3	%			99.3	%
Claro Guatemala, S.A. ^b)		Guatemala			100.0	%			100.0	%
Empresa Nicaragüense de Telecomunicaciones, S.A. (“Enitel”) ^b)		Nicaragua			99.6	%			99.6	%
Compañía de Telecomunicaciones de El Salvador, S.A. de C.V. (“CTE”) ^b)		El Salvador			95.8	%			95.9	%
Comunicación Celular, S.A. (“Comcel”) ^b)		Colombia			99.4	%			99.4	%
Consorcio Ecuatoriano de Telecomunicaciones, S.A. (“Conecel”) ^b)		Ecuador			100.0	%			100.0	%
AMX Argentina, S.A. ^b)		Argentina			100.0	%			100.0	%
AMX Paraguay, S.A. ^b)		Paraguay			100.0	%			100.0	%
AM Wireless Uruguay, S.A. ^b)		Uruguay			100.0	%			100.0	%
América Móvil Perú, S.A.C ^b)		Peru			100.0	%			100.0	%
Teléfonos de México, S.A.B. de C.V. ^b)		Mexico			98.8	%			100.0	%
Claro Chile, SpA ^d)		Chile			50.0	%			94.9	%
Telekom Austria AG ^b)		Austria			58.4	%			60.6	%
EuroTeleSites AG and subsidiaries ^c)		Austria			57.0	%			57.0	%

a) Holding companies.

b) Operating companies of mobile and fixed services.

c) Company spun-off from Telekom Austria AG on September 22, 2023.

d) Joint venture until October 31, 2024 (see note 12b).

Annual Depreciation Rates

Annual depreciation rates are as follows:

Network infrastructure			5%-33	%
Buildings and leasehold improvement			2%-33	%
Other assets			10%-50	%

Estimates Used for Impairment Evaluations

The most significant forward-looking estimates used for the 2023 and 2024 impairment evaluations are shown below:

		Average margin on EBIDTA				Average margin on CAPEX				Average pre-tax discount rate (WACC)
2023:
Europe (7 countries)			26.81% - 43.90	%			4.46% - 16.89	%			6.08% - 29.15	%
Brazil (fixed line, wireless and TV)			43.07	%			14.37	%			10.45	%
Puerto Rico			23.92	%			10.46	%			6.31	%
Dominican Republic			52.34	%			13.78	%			11.95	%
Mexico (fixed line and wireless)			36.10	%			10.66	%			9.37	%
Ecuador			50.81	%			18.49	%			21.77	%
Peru			41.80	%			7.11	%			9.13	%
El Salvador			46.27	%			9.26	%			20.15	%
Colombia			43.39	%			20.78	%			10.15	%
Other countries			28.06% - 51.46	%			11.68% - 27.15	%			10.29% - 22.79	%

2024:
Europe (7 countries)			35.05% - 43.18	%			2.83% - 18.57	%			4.88% - 27.16	%
Brazil (fixed line, wireless and TV)			44.75	%			16.97	%			8.11	%
Puerto Rico			24.41	%			8.67	%			4.38	%
Dominican Republic			53.64	%			14.13	%			9.51	%
Mexico (fixed line and wireless)			37.31	%			9.35	%			8.36	%
Ecuador			49.66	%			13.95	%			15.72	%
Peru			39.33	%			10.41	%			8.28	%
El Salvador			46.37	%			13.42	%			13.35	%
Colombia			42.25	%			17.31	%			7.24	%
Other countries			28.02% - 52.47	%			11.48% - 22.35	%			7.22% - 24.06	%

Lease Term and Estimated Useful Life of Right-of-Use Assets

Right-of-use assets are depreciated on a straight-line basis over the shorter of the lease term and the estimated useful lives of the assets, as follows:

Assets	Useful life
Towers and sites	2 to 24 years
Property	2 to 24 years
Other equipment	2 to 20 years

Exchange Rates Used for Translation of Foreign Currencies

The exchange rates used for the translation of foreign currencies against the Mexican peso are as follows:

			Average exchange rate												Closing exchange rate at December 31,
Country or Zone	Currency		2022				2023				2024				2023				2024
Argentina⁽¹⁾	Argentine Peso (AR$)			0.1586				0.0680				0.0200				0.0209				0.0196
Brazil	Real (R$)			3.9045				3.5545				3.3963				3.4895				3.2731
Colombia	Colombian Peso (COP$)			0.0048				0.0041				0.0045				0.0044				0.0046
Guatemala	Quetzal			2.5981				2.2675				2.3597				2.1584				2.6301
U.S.A. ⁽²⁾	US Dollar			20.1283				17.7617				18.3045				16.8935				20.2683
Uruguay	Uruguay Peso			0.4893				0.4574				0.4548				0.4329				0.4600
Nicaragua	Cordoba			0.5611				0.4875				0.4998				0.4613				0.5534
Honduras	Lempira			0.8171				0.7184				0.7341				0.6819				0.7948
Chile	Chilean Peso (CLP$)			0.0232				0.0212				0.0194				0.0193				0.0203
Paraguay	Guaraní			0.0029				0.0024				0.0024				0.0023				0.0026
Peru	Sol (PEN$)			5.2454				4.7394				4.8721				4.5498				5.3762
Dominican Republic	Dominican Peso			0.3647				0.3163				0.3069				0.2893				0.3301
Costa Rica	Colon			0.0310				0.0324				0.0353				0.0321				0.0395
European Union	Euro			21.2285				19.2047				19.8011				18.6487				20.9939
Bulgaria	Lev			10.8523				9.8189				10.1235				9.5336				10.7262
Belarus	New Belarusian Ruble			7.3993				6.4630				6.6606				6.1471				0
Croatia	Croatian Kuna			2.8173				2.5487				2.6279				2.4751				2.7864
Macedonia	Macedonian Denar			0.3445				0.3119				0.3215				0.3038				0.3423
Serbia	Serbian Denar			0.1807				0.1638				0.1691				0.1593				0.1794

(1)	Year-end rates are used for the translation of revenues and expenses if IAS 29 “Financial Reporting in Hyperinflationary Economies” is applied.

(2)	Includes Ecuador, El Salvador and Puerto Rico.

Joint Venture [Member]

Disclosure of analysis of single amount of discontinued operations [line items]

Result of Discontinued Operations

The results of discontinued operations are as follows:

		For the period ended as of October 6, 2022
Operating revenue:
Service revenues		Ps.	10,500,087
Sales of equipment			2,626,823
			13,126,910
Total costs and expenses			14,954,526
Operating loss			(1,827,616	)
Financial costs			(685,129	)
Loss before income taxes of discontinued operations			(2,512,745	)
Income taxes:			(1,805,500	)
Net loss of the period from discontinued operations		Ps.	(707,245	)

Claro Panama [Member]

Disclosure of analysis of single amount of discontinued operations [line items]

Result of Discontinued Operations

The results of discontinued operations for the year are shown below:

		July 1^st
Operating revenue:		2022
Revenue services		Ps.	1,210,109
Sales of equipment			206,595
			1,416,704
Total costs and expenses			1,403,311
Operating income			13,393
Financial costs			(39,538	)
Gain on sale of discontinued operations			3,405,014
Profit before income taxes from discontinued operations			3,378,869
Income taxes:			—
Net profit of the period of discontinued operations		Ps.	3,378,869

Deconsolidated Assets and Liabilities on Disposal Date

The deconsolidated assets and liabilities of Claro Panama as of the date of disposal were the following:

		As of July 1, 2022
Current assets:
Cash		Ps.	24,202
Account receivable to subscribers, distributors and others, net			666,114
Inventories, net			169,851
Other assets, net			4,457
Total current assets			864,624

Non-current assets:
Property, plant and equipment			1,102,062
Intangibles, net			1,810,964
Account receivables to subscribers, distributors and others, net			42,368
Other assets, net			12,291
Right-of-use			975,019
Total assets		Ps.	4,807,328

Short term liability related to right-of-use assets		Ps.	198,289
Accounts payable			576,522
Payable taxes			24,981
Related parties			1,159
Deferred income			126,904
Long term liability related to right-of-use assets		Ps.	855,969
Deferred income			129,062
Total liabilities			1,912,886
Net assets directly related to the Group’s disposal		Ps.	2,894,442