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Income Taxes, Deferred Tax Benefit (Expense) (Details) - MXN ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred Tax Benefit (Expense) [Abstract] |  |  |
Remeasurement of defined benefit plans | $ 6,328,961 | $ (975,061) | $ 2,651,922
Equity investments at fair value | (7,491,232) | 2,836,366 | 8,364,109
Revaluation of Assets | (495,646) | 0 | 0
Other | 0 | 0 | (30,336)
Deferred tax income recognized in OCI | (1,657,917) | 1,861,305 | $ 10,985,695
Retained Earnings [Member] |  |  |
Deferred Tax Benefit (Expense) [Abstract] |  |  |
Deferred tax expense | $ 289,460 | $ 308,551 |

X
- Definition The amount of deferred tax relating to amounts recognised in other comprehensive income in relation to other comprehensive income other. + References No definition available. + Details
Name: | amx_DeferredIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of deferred tax relating to amounts recognised in other comprehensive income in relation to investments in equity instruments that the entity has designated at fair value through other comprehensive income. + References No definition available. + Details
Name: | amx_DeferredTaxRelatingToEquityInvestmentsAtFairValueOfOtherComprehensiveIncome
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of deferred tax relating to amounts recognised in other comprehensive income in relation to other comprehensive income other. + References No definition available. + Details
Name: | amx_DeferredTaxRelatingToOtherComprehensiveIncomeOther
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of deferred tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. + References No definition available. + Details
Name: | amx_DeferredTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of deferred tax relating to amounts recognised in other comprehensive income in relation to revaluation of assets. + References No definition available. + Details
Name: | amx_DeferredTaxRelatingToRevaluationOfAssets
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in equity resulting from transfer of deferred tax between a revaluation surplus and retained earnings. + References No definition available. + Details
Name: | amx_IncreaseDecreaseThroughTransferOfDeferredTaxBetweenRevaluationSurplusAndRetainedEarnings
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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