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v3.25.1

Accounts payable, accrued liabilities and asset retirement obligations, Movements in Contingent Liabilities (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Movements in Contingencies [Roll Forward] |  |
Beginning balance | $ 34,355,359 | $ 35,850,857
Business combination | 182,686 |
Effect of translation | 437,201 | (1,738,359)
Increase of the year | 6,580,005 | 7,361,456
Applications payments | (4,659,801) | (5,642,088)
Applications reversals | (1,941,634) | (1,476,507)
Ending balance | $ 34,953,816 | $ 34,355,359

X
- Definition The amount of current contingent consideration liabilities. + References No definition available. + Details
Name: | amx_CurrentContingentConsiderationLiabilities
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of increase (decrease) in current contingent liabilities during the period. + References No definition available. + Details
Name: | amx_IncreaseDecreaseInCurrentContingentLiabilities
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The amount of increase (decrease) in current contingent consideration liabilities related to business combinations. + References No definition available. + Details
Name: | amx_MovementsInCurrentContingentConsiderationLiabilitiesRelatedToBusinessCombinations
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of increase (decrease) in current contingent consideration liabilities related to exchange rate changes. + References No definition available. + Details
Name: | amx_MovementsInCurrentContingentConsiderationLiabilitiesRelatedToExchangeRateChanges
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of increase (decrease) in current contingent liabilities related to applications payments. + References No definition available. + Details
Name: | amx_MovementsInCurrentContingentLiabilitiesRelatedToApplicationsPayments
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of increase (decrease) in current contingent liabilities related to applications reversals. + References No definition available. + Details
Name: | amx_MovementsInCurrentContingentLiabilitiesRelatedToApplicationsReversals
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration