XML 246 R92.htm IDEA: XBRL DOCUMENT
v3.25.1

Income Taxes - Summary of Reconciliation of Statutory Income Tax Rate in Mexico to Consolidated Effective Income Tax Rate Recognized (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Statutory income tax rate in Mexico | 30.00% | 30.00% | 30.00%
Impact of non-deductibleand non-taxable items: |  |  |
Tax inflation effects | 2.10% | 7.20% | 7.80%
Derivatives | 0.30% | (0.20%) | (0.90%)
Employee benefits | 1.50% | 2.00% | 2.60%
Other | 4.80% | 2.20% | (2.90%)
Dividends received from associates Equity | 0.00% | (0.10%) | (0.70%)
Foreign subsidiaries and other non-deductible items, net | (2.20%) | (2.60%) | 8.70%
Tax rates differences | (3.10%) | (2.00%) | (2.80%)
Effective tax rate from continuing operations | 29.90% | 34.30% | 31.20%
Effective tax rate from discontinued operation | 0.00% | (21.20%) | (16.40%)
Mexico [member] |  |  |
Impact of non-deductibleand non-taxable items: |  |  |
Effective tax rate | 38.70% | 41.20% | 36.60%
Brazil [member] |  |  |
Impact of non-deductibleand non-taxable items: |  |  |
Tax recoveries and NOL's in Brazil | (3.50%) | (2.20%) | (10.60%)

X
- Definition Effective tax rate from continuing operations. + References No definition available. + Details
Name: | amx_EffectiveTaxRateFromContinuingOperations
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective tax rate from discontinued operation. + References No definition available. + Details
Name: | amx_EffectiveTaxRateFromDiscontinuedOperation
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reconciliation of average effective tax rate. + References No definition available. + Details
Name: | amx_ReconciliationOfAverageEffectiveTaxRateAbstract
Namespace Prefix: | amx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of derivatives. + References No definition available. + Details
Name: | amx_TaxRateEffectOfDerivatives
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of dividends received from associates. + References No definition available. + Details
Name: | amx_TaxRateEffectOfDividendsReceivedFromAssociates
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of employee benefits. + References No definition available. + Details
Name: | amx_TaxRateEffectOfEmployeeBenefits
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of foreign subsidiaries and other items non deductible net. + References No definition available. + Details
Name: | amx_TaxRateEffectOfForeignSubsidiariesAndOtherItemsNonDeductibleNet
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of tax inflation effects. + References No definition available. + Details
Name: | amx_TaxRateEffectOfTaxInflationEffects
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effect of use of unrecognized tax credits. + References No definition available. + Details
Name: | amx_TaxRateEffectOfUseOfUnrecognizedTaxCredits
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ApplicableTaxRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax expense (income) divided by the accounting profit. [Refer: Accounting profit] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AverageEffectiveTaxRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax rate effects, in aggregate, on the reconciliation between the average effective tax rate and the applicable tax rate that the entity does not separately disclose in the reconciliation. [Refer: Average effective tax rate; Applicable tax rate] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The tax rate effect on the reconciliation between the average effective tax rate and the applicable tax rate resulting from a change in tax rate. [Refer: Average effective tax rate; Applicable tax rate] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_TaxRateEffectFromChangeInTaxRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_MX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_BR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |