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Related Parties - Additional Information (Detail) - MXN ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of transactions between related parties [line items] |  |  |
Impairment of receivables in connection with amounts owed by related parties | $ 0 | $ 0 | $ 0
Members of the audit and corporate practices committee [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Compensation paid | 6,244 |  |
Directors and other key management personnel [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Compensation paid | $ 98,280 |  |

X
- Definition Loss allowance for receivables + References No definition available. + Details
Name: | amx_LossAllowanceForReceivables
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 17 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_17&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_KeyManagementPersonnelCompensation
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=amx_MembersOfTheAuditAndCorporatePracticesCommitteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=amx_DirectorsAndOtherKeyManagementPersonnelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |