XML 296 R53.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Additional Information (Detail) $ in Millions |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 29, 2024 MXN ($) | Oct. 06, 2022 MXN ($) | Nov. 23, 2021 MXN ($) | Nov. 23, 2021 USD ($) | Sep. 15, 2021 MXN ($) | Sep. 15, 2021 USD ($) | Dec. 31, 2023 MXN ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2021 MXN ($) | Dec. 31, 2018 | Dec. 31, 2023 USD ($) | Sep. 14, 2020
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative index |  |  |  |  |  |  | 3,576.4 | 3,576.4 |  |  |  |  |
Percentage of annual basis index |  |  |  |  |  |  | 211.41% | 211.41% |  |  |  |  |
Closing exchange rate | 1.55 |  |  |  |  |  |  |  |  |  |  |  |
Cumulative translation (loss) gain |  |  |  |  |  |  | $ (274,303,207,000) |  | $ (227,044,342,000) |  |  | $ (16,237.0) |
Impairment losses on goodwill |  |  |  |  |  |  | 0 |  | 0 | $ 0 |  |  |
Borrowing costs capitalised |  |  |  |  |  |  | 1,442,077,000 |  | 1,514,654,000 | 1,527,259,000 |  |  |
Impairment losses |  |  |  |  |  |  | 0 |  | 0 | 0 |  |  |
Impairment losses on intangibles |  |  |  |  |  |  | $ 0 |  | 0 | 0 |  |  |
Description of estimation of impairment cash-generating unit |  |  |  |  |  |  | In the estimation of impairments, the Company uses the strategic plans established for the separate cash-generating units to which the assets are assigned. Such strategic plans generally cover a period from 3 to 5 years. For longer periods, beginning in the fifth year, projections are based on such strategic plans while applying a constant or declining expected perpetual growth rate. | In the estimation of impairments, the Company uses the strategic plans established for the separate cash-generating units to which the assets are assigned. Such strategic plans generally cover a period from 3 to 5 years. For longer periods, beginning in the fifth year, projections are based on such strategic plans while applying a constant or declining expected perpetual growth rate. |  |  |  |  |
Percentage of sensitivity analysis for increase in capital expenditures |  |  |  |  |  |  | 5.00% | 5.00% |  |  |  |  |
Monthly contributions to pension fund |  |  |  |  |  |  | 17.50% | 17.50% |  |  |  |  |
Percentage of employee profit sharing based on individual company taxable income |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |
Advertising expenses |  |  |  |  |  |  | $ 11,781,250,000 |  | 12,676,350,000 | 11,118,723,000 |  |  |
Increase (decrease) in interest expense |  |  |  |  |  |  | $ 500,677,052,000 |  | 510,589,480,000 |  |  |  |
Concentration risk percentage |  |  |  |  |  |  | 10.00% |  |  |  |  | 10.00% |
Proceeds from sale of Subsidiary |  |  |  |  |  |  |  |  | 5,791,488,000 | 75,518,886,000 |  |  |
Accumelated Foreign Currency Translation Effect |  | $ 6,943,753,000 |  |  | $ 1,750,451,000 |  |  |  |  |  |  |  |
Percentage Of Devaluation In Exchange Rate Value |  |  |  |  |  |  | 80.90% |  |  |  |  | 80.90% |
Foreign exchange gain (loss) | $ 17,155.2000 |  |  |  |  |  | $ 14,653,523,000 | $ 867.0 | $ 20,761,622,000 | $ (16,714,847,000) |  |  |
CAPEX [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments of sensitivity analysis long-life assets |  |  |  |  |  |  | 1,208,795,000 |  |  |  |  |  |
CGU [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments of sensitivity analysis long-life assets |  |  |  |  |  |  | $ 1,235,848,000 |  |  |  |  |  |
Argentina pesos [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange loss rate |  |  |  |  |  |  | 60.00% |  |  |  |  | 60.00% |
Foreign subsidiaries [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated operating revenues |  |  |  |  |  |  | 60.00% | 60.00% | 63.00% | 63.00% |  |  |
Percentage of operating revenue as percentage of total assets |  |  |  |  |  |  | 65.00% | 65.00% | 64.00% |  |  |  |
Tracfone Wireless Inc Tracfone [member] | Verizon Communications Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary agreed to sell |  |  |  |  |  |  |  |  |  |  |  |  | 100.00%
Tracfone Wireless Inc Tracfone [member] | Verizon Communications Inc [Member] | Discontinued operations [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary sold |  |  |  | 100.00% |  |  |  |  |  | 100.00% |  |  |
Proceeds from sale of Subsidiary |  |  | $ 3,625,700,000 |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents in subsidiary or businesses acquired or disposed |  |  |  | $ 500.7 |  |  |  |  |  |  |  |  |
Value of Shares received on sale of subsidiary from Counterparty |  |  |  | 2,968.0 |  |  |  |  |  |  |  |  |
Earntout contingent consideration receivable tranche one |  |  |  | 500.0 |  |  |  |  |  |  |  |  |
Earntout contingent consideration receivable tranche two |  |  |  | $ 150.0 |  |  |  |  |  |  |  |  |
Gains (losses) recognised when control of subsidiary is lost |  |  | $ 106,527,287,000 |  |  |  |  |  |  |  |  |  |
Claro Panama [Member] | Liberty Latin America [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary agreed to sell |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
Consideration transferred, acquisition-date fair value |  |  |  |  |  | $ 200.0 |  |  |  |  |  |  |
Claro Panama [Member] | Liberty Latin America [Member] | Discontinued operations [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest in subsidiary sold |  |  |  |  |  | 100.00% |  |  |  |  |  |  |
Proceeds from sale of Subsidiary |  |  |  |  |  | $ 116.7 |  |  |  |  |  |  |
Gains (losses) recognised when control of subsidiary is lost |  | $ 707,245,000 |  |  | $ 3,405,014,000 |  |  |  |  |  |  |  |
Interest rate risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in basis points |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |
Increase in net interest expense |  |  |  |  |  |  | $ (4,941,344,000) |  | $ (11,128,215,000) |  |  |  |
Decrease in interest expense |  |  |  |  |  |  | $ 8,046,987,000 |  | $ 1,828,215,000 |  |  |  |
Currency risk [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fluctuation in exchange rates |  |  |  |  |  |  | 5.68% |  | 6.33% |  |  | 5.68% |
Increase (decrease) in interest expense |  |  |  |  |  |  | $ 500,677,051,000 |  | $ 510,589,480,000 |  |  |  |
Increase (decrease) through changes in foreign exchange rates, regulatory deferral account credit balances |  |  |  |  |  |  | 525,710,904,000 |  | 536,118,954,000 |  |  |  |
Increase (decrease) through changes in discount rates, regulatory deferral account credit balances |  |  |  |  |  |  | $ (475,643,199,000) |  | $ (485,060,006,000) |  |  |  |
Increase/(decrease) in exchange rates |  |  |  |  |  |  | 5.00% | 5.00% | 5.00% |  |  |  |
Argentina [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Closing exchange rate |  |  |  |  |  |  | 0.0209 |  | 0.1096 |  |  | 0.0209 |
Argentina [member] | Impact of application of hyperinflation adjustments in 2018 [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative inflation percentage |  |  |  |  |  |  |  |  |  |  | 100.00% |  |
U.S.A. [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Closing exchange rate |  |  |  |  |  |  | 16.8935 |  | 19.4143 |  |  | 16.8935 |
Cumulative translation adjustment [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Closing exchange rate |  |  |  |  |  |  | 0.0209 |  | 0.1096 |  |  |  |
Cumulative translation (loss) gain |  |  |  |  |  |  | $ (164,975,378,000) |  | $ (128,299,347,000) |  |  |  |
VTR and Claro Chile [Member] | Agreement to Commence Joint Venture [Member] | Liberty Latin America [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
VTR and Claro Chile [Member] | Agreement to Commence Joint Venture [Member] | Amrica Movil [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in joint venture |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
Licenses and rights of use [member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |
Licenses and rights of use [member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  | 30 years | 30 years |  |  |  |  |
Trademarks [member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  | 1 year | 1 year |  |  |  |  |
Trademarks [member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  | 10 years | 10 years |  |  |  |  |
Customer relationships [member] |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  | 5 years | 5 years |  |  |  |  |

X
- Definition Adjustments of sensitivity analysis long-life assets. + References No definition available. + Details
Name: | amx_AdjustmentsOfSensitivityAnalysisLongLifeAssets
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Advertising expense1. + References No definition available. + Details
Name: | amx_AdvertisingExpense1
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Concentration risks percentage. + References No definition available. + Details
Name: | amx_ConcentrationRisksPercentage
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cumulative index ratio. + References No definition available. + Details
Name: | amx_CumulativeIndexRatio
Namespace Prefix: | amx_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cumulative inflation percentage. + References No definition available. + Details
Name: | amx_CumulativeInflationPercentage
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of estimation of impairment cash-generating unit. + References No definition available. + Details
Name: | amx_DescriptionOfEstimationOfImpairmentCashGeneratingUnit
Namespace Prefix: | amx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices. + References No definition available. + Details
Name: | amx_DisclosureOfBasisOfPreparationOfConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesLineItems
Namespace Prefix: | amx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Earntout contingent consideration receivable tranche one. + References No definition available. + Details
Name: | amx_EarntoutContingentConsiderationReceivableTrancheOne
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Earntout contingent consideration receivable tranche two. + References No definition available. + Details
Name: | amx_EarntoutContingentConsiderationReceivableTrancheTwo
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated useful lives of intangible asset. + References No definition available. + Details
Name: | amx_EstimatedUsefulLivesOfIntangibleAsset
Namespace Prefix: | amx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Foreign exchange loss rate. + References No definition available. + Details
Name: | amx_ForeignExchangeLossRate
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Increase decrease exchange rate. + References No definition available. + Details
Name: | amx_IncreaseDecreaseExchangeRate
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase (decrease) in basis points. + References No definition available. + Details
Name: | amx_IncreaseDecreaseInBasisPoints
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase decrease in interest rate. + References No definition available. + Details
Name: | amx_IncreaseDecreaseInInterestRate
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of annual basis index. + References No definition available. + Details
Name: | amx_PercentageOfAnnualBasisIndex
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of contribution to defined benefit plan equal to employee aggregate salary. + References No definition available. + Details
Name: | amx_PercentageOfContributionToDefinedBenefitPlanEqualToEmployeeAggregateSalary
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of devaluation in exchange rate value. + References No definition available. + Details
Name: | amx_PercentageOfDevaluationInExchangeRateValue
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of employee profit sharing based on individual company taxable income. + References No definition available. + Details
Name: | amx_PercentageOfEmployeeProfitSharingBasedOnIndividualCompanyTaxableIncome
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of operating revenue as percentage of total assets. + References No definition available. + Details
Name: | amx_PercentageOfOperatingRevenueAsPercentageOfTotalAssets
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of ownership interest in subsidiary agreed to sell. + References No definition available. + Details
Name: | amx_PercentageOfOwnershipInterestInSubsidiaryAgreedToSell
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of ownership interest in subsidiary sold. + References No definition available. + Details
Name: | amx_PercentageOfOwnershipInterestInSubsidiarySold
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of sensitivity analysis for increase in capital expenditures. + References No definition available. + Details
Name: | amx_PercentageOfSensitivityAnalysisForIncreaseInCapitalExpenditures
Namespace Prefix: | amx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of shares received on sale of subsidiary from Counterparty. + References No definition available. + Details
Name: | amx_ValueOfSharesReceivedOnSalesOfSubsidiaryFromCounterparty
Namespace Prefix: | amx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AccumulatedOtherComprehensiveIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B64 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
Name: | ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2023-01-01 -Paragraph 26 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2023-en-r&anchor=para_26_a&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_BorrowingCostsCapitalised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of cash and cash equivalents in subsidiaries or other businesses over which control is obtained or lost. [Refer: Subsidiaries [member]; Cash and cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 40 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_40_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate cash flows arising from losing control of subsidiaries or other businesses, classified as investing activities. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 39 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_39&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ClosingForeignExchangeRate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of the exposure to credit risk on loan commitments and financial guarantee contracts. [Refer: Loan commitments [member]; Financial guarantee contracts [member]; Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35M -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35M&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35I -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35I&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2023-01-01 -Paragraph 52 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2023-en-r&anchor=para_52_a&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 35 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_35&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains (losses) recognised in association with the loss of control over a subsidiary, which are attributable to the former controlling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 19 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_19&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_GainsLossesRecognisedWhenControlInSubsidiaryIsLost
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 130 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_d_ii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2023-01-01 -Paragraph 130 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2023-en-r&anchor=para_130_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ImpairmentLoss
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2023-01-01 -Paragraph B67 -Subparagraph d -Clause v -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2023-en-r&anchor=para_B67_d_v&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of impairment loss recognised in profit or loss for intangible assets other than goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2023-01-01 -Paragraph 118 -Subparagraph e -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2023-en-r&anchor=para_118_e_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in regulatory deferral account credit balances resulting from changes in discount rates. [Refer: Regulatory deferral account credit balances] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 14 -IssueDate 2023-01-01 -Paragraph 33 -Subparagraph a -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2023-en-r&anchor=para_33_a_iii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInDiscountRatesRegulatoryDeferralAccountCreditBalances
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in regulatory deferral account credit balances resulting from changes in foreign exchange rates. [Refer: Regulatory deferral account credit balances] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 14 -IssueDate 2023-01-01 -Paragraph 33 -Subparagraph a -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2023-en-r&anchor=para_33_a_iii&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesRegulatoryDeferralAccountCreditBalances
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in exposure to credit risk on loan commitments and financial guarantee contracts resulting from foreign exchange. [Refer: Exposure to credit risk on loan commitments and financial guarantee contracts] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph IG20B -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35H -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35H&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_IncreaseDecreaseThroughForeignExchangeExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of the entity's revenue. [Refer: Revenue] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 8 -IssueDate 2023-01-01 -Paragraph 34 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2023-en-r&anchor=para_34&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2023-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2023-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_21_a_iv&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInJointVenture
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of reclassification adjustments related to exchange differences when the financial statements of foreign operations are translated, net of tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2023-01-01 -Paragraph 48 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2023-en-r&anchor=para_48&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 92 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_92&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationNetOfTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=amx_CapitalExpendituresMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=amx_CashGeneratingUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_ARS
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=amx_ForeignSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=amx_TracfoneWirelessIncTracfoneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=amx_VerizonCommunicationsIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ContinuingAndDiscontinuedOperationsAxis=ifrs-full_DiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=amx_ClaroPanamaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=amx_LibertyLatinAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis=amx_ImpactOfApplicationOfHyperinflationAdjustmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | ifrs-full_JointVenturesAxis=amx_VtrAndClaroChileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | amx_SignificantEventAxis=amx_AgreementToCommenceJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | amx_JointVenturerAxis=amx_LibertyLatinAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | amx_JointVenturerAxis=amx_AmricaMvilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_LicencesAndFranchisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=amx_Trademarks1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_CustomerrelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |