Disclosure of corporate information.

No definition available.

Name:	amx_DisclosureOfCorporateInformationLineItems
Namespace Prefix:	amx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of countries in which entity operates2.

+ References

No definition available.

+ Details

Name:	amx_NumberOfCountriesInWhichEntityOperates2
Namespace Prefix:	amx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of countries where entity holds licenses.

+ References

No definition available.

+ Details

Name:	amx_NumberOfCountriesWhereEntityHoldsLicenses
Namespace Prefix:	amx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The name of the reporting entity or other means of identification.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 51
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_51_a&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2022-03-24
-Paragraph B64
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2022-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2022-03-24
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2022-03-24
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2022-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2022-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2022-03-24
-Paragraph 21
-Subparagraph a
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_21_a_iv&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	amx_SignificantEventAxis=amx_AgreementToCommenceJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_JointVenturesAxis=amx_VtrAndClaroChileMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	amx_JointVenturerAxis=amx_LibertyLatinAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	amx_JointVenturerAxis=amx_AmricaMvilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=amx_ClaroMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BusinessCombinationsAxis=amx_JonavaRjInfraestruturaERedesDeTelecomunicaesS.aMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Description of the Business and Relevant Events - Additional Information (Detail) - Country		12 Months Ended
	Oct. 06, 2022	Dec. 31, 2022	Jun. 30, 2022	Apr. 20, 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” or “AMX”) was incorporated under laws of Mexico on September 25, 2000. Until June 30, 2022, the Company provided telecommunications services in 24 countries throughout Latin America, the Caribbean and Europe. As of July 1, 2022, the Company disposed of its business in Panama as disclosed in Note 2 Ac to the consolidated financial statements. As a consequence of the foregoing, the Company provides its services in 22 countries, including through a joint venture in Chile which is described in Note 12b. These telecommunications services include mobile and fixed-line voice services, wireless and fixed data services, internet access, 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			24
Number of countries in which company holds license		22
Percentage of voting equity interests acquired		80.00%
Agreement to Commence Joint Venture [Member] \| VTR and Claro Chile [Member] \| Liberty Latin America [Member]
Percentage of shareholding approval of spin off
Proportion of ownership interest in joint venture	50.00%
Agreement to Commence Joint Venture [Member] \| VTR and Claro Chile [Member] \| Amrica Movil [Member]
Percentage of shareholding approval of spin off
Proportion of ownership interest in joint venture	50.00%
Claro [Member]
Percentage of shareholding approval of spin off
Percentage of voting equity interests acquired				32.00%
Jonava RJ Infraestrutura e Redes de Telecomunicaes, S.A [Member]
Percentage of shareholding approval of spin off
Percentage of voting equity interests acquired				100.00%