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v3.25.1

Subsequent Events (Details) $ / shares in Units, $ in Billions | May 14, 2025 MXN ($) Intallment $ / shares | Apr. 29, 2024 $ / shares | Apr. 27, 2023 $ / shares
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Subsequent Event [Abstract] |  |  |
Dividends paid, ordinary shares (in dollars per share) |  | $ 0.48 | $ 0.46
Subsequent Events [Member] |  |  |
Subsequent Event [Abstract] |  |  |
Dividends paid, ordinary shares (in dollars per share) | $ 0.52 |  |
Number of equal installment | Intallment | 2 |  |
Share buyback fund amount | $ | $ 10 |  |

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- Definition The number of equal installments for repaying dividends. + References No definition available. + Details
Name: | amx_NumberOfEqualInstallmentsForRepayingDividends
Namespace Prefix: | amx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount allocated by the company to repurchase its own shares as part of its dividend distribution and buyback program. + References No definition available. + Details
Name: | amx_ShareBuybackFundAmount
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition The amount of dividends paid per ordinary share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 34 -IssueDate 2024-01-01 -Paragraph 16A -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2024-en-r&anchor=para_16A_f&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DividendsPaidOrdinarySharesPerShare
Namespace Prefix: | ifrs-full_
Data Type: | dtr-2022:perShareItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=amx_SubsequentEventsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |