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

The percentage of contribution for active civil servants during the period.

No definition available.

Name:	amx_PercentageOfContributionForActiveCivilServants
Namespace Prefix:	amx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of contribution compensation for social security.

No definition available.

Name:	amx_PercentageOfContributionForSocialSecurity
Namespace Prefix:	amx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of defined contribution plan compensation not exceeding.

No definition available.

Name:	amx_PercentageOfTheCompensationNotExceeding
Namespace Prefix:	amx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The amount of employer contributions to retirement benefit plans.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 26
-IssueDate 2025-01-01
-Paragraph 35
-Subparagraph b
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_i&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_EmployerContributions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost and losses (gains) arising from settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset)]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2025-01-01
-Paragraph 141
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_d&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 19
-IssueDate 2025-01-01
-Paragraph 53
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 203
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_203&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 203
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_203&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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

Name:	ifrs-full_DefinedBenefitPlansAxis=amx_DefinedContributionPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_AT
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: