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Related Parties - Summary of Transactions with Related Parties (Detail) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of transactions between related parties [abstract] |  |  |
Construction services, purchases of materials, inventories and property, plant and equipment | $ 10,499,209 | $ 13,107,483 | $ 13,524,989
Insurance premiums, fees paid for administrative and operating services, brokerage services and others | 4,911,513 | 2,654,774 | 4,336,133
Associated costs for towers sale | 1,751,405 | 360,073 | 0
Rent of towers | 937,763 | 475,749 | 0
Other services | 1,903,476 | 1,890,921 | 1,636,402
Investments and expenses | 20,003,366 | 18,489,000 | 19,497,524
Service revenues | 1,153,877 | 756,347 | 714,148
Sales of towers | 8,546,615 | 3,323,594 | 6,943,400
Sales of equipment | 2,225,521 | 1,153,439 | 685,781
Revenues | $ 11,926,013 | $ 5,233,380 | $ 8,343,329

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- Definition Associated costs for towers sale related party transactions. + References No definition available. + Details
Name: | amx_AssociatedCostsForTowersSaleRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Construction services purchases of materials inventories and property plant and equipment related party transactions. + References No definition available. + Details
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Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Insurance premiums fees paid for administrative and operating services brokerage services and others related party transactions. + References No definition available. + Details
Name: | amx_InsurancePremiumsFeesPaidForAdministrativeAndOperatingServicesBrokerageServicesAndOthersRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Investments and expenses of related party transactions. + References No definition available. + Details
Name: | amx_InvestmentsAndExpensesOfRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Other services related party transactions. + References No definition available. + Details
Name: | amx_OtherServicesRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Related party transactions rental income from towers. + References No definition available. + Details
Name: | amx_RelatedPartyTransactionsRentalIncomeFromTowers
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Revenue from services, related party transactions. + References No definition available. + Details
Name: | amx_RevenueFromServicesRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Sale of equipment of related party transactions. + References No definition available. + Details
Name: | amx_SaleOfEquipmentOfRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Sale Of Towers Of Related Party Transactions. + References No definition available. + Details
Name: | amx_SaleOfTowersOfRelatedPartyTransactions
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of revenue arising from the rendering of services in related party transactions. [Refer: Revenue; Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_21_c&doctype=Standard -URIDate 2023-03-23 + Details
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