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v3.25.1

Shareholders' Equity, Payment of Dividends and Repurchase of Shares (Details) - MXN ($) $ in Billions |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 08, 2024 | Apr. 29, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Payment of Dividends [Abstract] |  |  |  |
Percentage of withholding tax rate on payment of dividend |  |  | 10.00% |
Series B Common Stock [Member] |  |  |  |
Repurchase of Shares [Abstract] |  |  |  |
Treasury stock (in shares) |  |  | 245,000,000 | 770,260,000
Series B Common Stock [Member] | Treasury Shares [Member] |  |  |  |
Repurchase of Shares [Abstract] |  |  |  |
Shares authorized for repurchase | $ 15 | $ 15 |  |
Number of shares repurchased (in shares) |  |  | 1,450,000,000 |

X
- Definition The number of shares that have been repurchased during the period. + References No definition available. + Details
Name: | amx_NumberOfSharesRepurchased
Namespace Prefix: | amx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of previously issued shares repurchased by the issuing entity and held in treasury. + References No definition available. + Details
Name: | amx_NumberOfTreasuryShares
Namespace Prefix: | amx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition The percentage of withholding tax rate on payment of dividend. + References No definition available. + Details
Name: | amx_PercentageOfWithholdingTaxRateOnPaymentOfDividend
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The authorized amount of shares to be repurchased. + References No definition available. + Details
Name: | amx_SharesAuthorizedForRepurchaseValue
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfShareCapitalAxis=amx_SeriesBCommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=ifrs-full_TreasurySharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |