| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
1001 - Document - Document and Entity Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DocumentandEntityInformation |
| 2 |
Document Information [Table] |
Table |
* |
* |
dei:DocumentInformationTable |
| 3 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 4 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 5 |
AA Shares [member] |
Member |
|
|
amx:ClassAACommonStockMember |
| 6 |
A Shares [member] |
Member |
|
|
amx:ClassACommonStockMember |
| 7 |
L Shares [member] |
Member |
|
|
amx:ClassLCommonStockMember |
| 8 |
Document Information [Line Items] |
LineItems |
|
|
dei:DocumentInformationLineItems |
| 9 |
Document Type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
| 10 |
Amendment Flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
| 11 |
Document Period End Date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
| 12 |
Document Fiscal Year Focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
| 13 |
Document Fiscal Period Focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
| 14 |
Trading Symbol |
Concept (Text/String) |
For Period |
|
dei:TradingSymbol |
| 15 |
Entity Registrant Name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
| 16 |
Entity Central Index Key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
| 17 |
Current Fiscal Year End Date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
| 18 |
Entity Well-known Seasoned Issuer |
Concept (Yes/No) |
For Period |
|
dei:EntityWellKnownSeasonedIssuer |
| 19 |
Entity Current Reporting Status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
| 20 |
Entity Filer Category |
Concept (Filer Category) |
For Period |
|
dei:EntityFilerCategory |
| 21 |
Entity Emerging Growth Company |
Concept (Yes/No) |
For Period |
|
dei:EntityEmergingGrowthCompany |
| 22 |
Entity Shell Company |
Concept (Yes/No) |
For Period |
|
dei:EntityShellCompany |
| 23 |
Entity Common Stock, Shares Outstanding |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
| 24 |
1003 - Statement - Consolidated Statements of Financial Position |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000 |
| 25 |
Implied Table |
Table |
* |
* |
implied:Table |
| 26 |
Statement of financial position [abstract] |
Abstract |
|
|
ifrs-full:StatementOfFinancialPositionAbstract |
| 27 |
Assets |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 28 |
Current assets: |
Abstract |
|
|
ifrs-full:CurrentAssetsAbstract |
| 29 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 30 |
Equity investments at fair value through OCI and other short-term investments |
Concept (Monetary) |
As Of |
Debit |
amx:EquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestments |
| 31 |
Accounts receivable: |
Abstract |
|
|
amx:AccountsReceivableAbstract |
| 32 |
Subscribers, distributors, recoverable taxes, contract assets and other, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
| 33 |
Related parties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties |
| 34 |
Derivative financial instruments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DerivativeFinancialAssets |
| 35 |
Inventories, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 36 |
Other current assets, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentAssets |
| 37 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 38 |
Non-current assets: |
Abstract |
|
|
ifrs-full:NoncurrentAssetsAbstract |
| 39 |
Property, plant and equipment, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 40 |
Intangibles, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 41 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 42 |
Investments in associated companies |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 43 |
Deferred income taxes |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 44 |
Accounts receivable, subscriber, distributors and contract assets, net |
Concept (Monetary) |
As Of |
Debit |
amx:AccountsReceivableSubscribersDistributorsAndContractualAssetsNonCurrent |
| 45 |
Other assets, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentFinancialAssets |
| 46 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 47 |
Liabilities and equity |
Abstract |
|
|
ifrs-full:EquityAndLiabilitiesAbstract |
| 48 |
Current liabilities: |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 49 |
Short-term debt and current portion of long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 50 |
Accounts payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 51 |
Accrued liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccrualsClassifiedAsCurrent |
| 52 |
Income tax |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilitiesCurrent |
| 53 |
Other taxes payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax |
| 54 |
Derivative financial instruments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDerivativeFinancialLiabilities |
| 55 |
Related parties |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties |
| 56 |
Deferred revenues |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredIncomeClassifiedAsCurrent |
| 57 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 58 |
Non-current-liabilities: |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 59 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 60 |
Deferred income taxes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 61 |
Income tax |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilitiesNoncurrent |
| 62 |
Deferred revenues |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredIncomeClassifiedAsNoncurrent |
| 63 |
Derivative financial instruments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentDerivativeFinancialLiabilities |
| 64 |
Asset retirement obligations |
Concept (Monetary) |
As Of |
Credit |
amx:AssetRetirementObligations |
| 65 |
Employee benefits |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisionsForEmployeeBenefits |
| 66 |
Total non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 67 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 68 |
Equity: |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 69 |
Capital stock |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 70 |
Retained earnings: |
Abstract |
|
|
amx:RetainedEarningsAbstract |
| 71 |
Prior years |
Concept (Monetary) |
As Of |
Credit |
amx:RetainedEarningsFromPriorPeriods |
| 72 |
Profit for the year |
Concept (Monetary) |
As Of |
Credit |
amx:RetainedEarningsResultForTheYear |
| 73 |
Total retained earnings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 74 |
Other comprehensive loss items |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccumulatedOtherComprehensiveIncome |
| 75 |
Equity attributable to equity holders of the parent |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAttributableToOwnersOfParent |
| 76 |
Non-controlling interests |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterests |
| 77 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 78 |
Total liabilities and equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 79 |
1004 - Statement - Consolidated Statements of Comprehensive Income |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000 |
| 80 |
Implied Table |
Table |
* |
* |
implied:Table |
| 81 |
Profit or loss [abstract] |
Abstract |
|
|
ifrs-full:IncomeStatementAbstract |
| 82 |
Operating revenues: |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 83 |
Revenues services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServices |
| 84 |
Sales of equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfTelecommunicationEquipment |
| 85 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 86 |
Operating costs and expenses: |
Abstract |
|
|
amx:OperatingCostAndExpenseAbstract |
| 87 |
Cost of sales and services |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 88 |
Commercial, administrative and general expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 89 |
Other expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherExpenseByFunction |
| 90 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAndAmortisationExpense |
| 91 |
Operating costs and expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 92 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 93 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromInterest |
| 94 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpense |
| 95 |
Foreign currency exchange loss, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:NetForeignExchangeLoss |
| 96 |
Valuation of derivatives, interest cost from labor obligations and other financial items, net |
Concept (Monetary) |
For Period |
Credit |
amx:ValuationOfDerivativesInterestCostFromLaborObligationsAndOtherFinancialItemsNet |
| 97 |
Equity interest in net result of associated companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod |
| 98 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 99 |
Income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 100 |
Net profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 101 |
Net profit for the year attributable to: |
Abstract |
|
|
ifrs-full:ProfitLossAttributableToAbstract |
| 102 |
Equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 103 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 104 |
Net profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 105 |
Basic and diluted earnings per share attributable to equity holders of the parent |
Concept (Share) |
For Period |
|
ifrs-full:BasicAndDilutedEarningsLossPerShare |
| 106 |
Controlling interest: |
Abstract |
|
|
ifrs-full:OtherComprehensiveIncomeAbstract |
| 107 |
Net other comprehensive (loss) income that may be reclassified to profit or loss in subsequent years: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract |
| 108 |
Effect of translation of foreign entities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax |
| 109 |
Effect of fair value of derivatives, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax |
| 110 |
Items that will not be reclassified to (loss) or profit in subsequent years: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract |
| 111 |
Re-measurement of defined benefit plan, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 112 |
Unrealized (loss) gain on equity investments at fair value, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments |
| 113 |
Total other comprehensive (loss) income items for the year, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 114 |
Total comprehensive income (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 115 |
Comprehensive income (loss) for the year attributable to: |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAttributableToAbstract |
| 116 |
Equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent |
| 117 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests |
| 118 |
Total comprehensive income (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 119 |
1005 - Statement - Consolidated Statements of Changes in Shareholders' Equity |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000 |
| 120 |
Statement of changes in equity [table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 121 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 122 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 123 |
Capital stock [member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 124 |
Legal reserve [member] |
Member |
|
|
ifrs-full:StatutoryReserveMember |
| 125 |
Retained earnings [member] |
Member |
|
|
ifrs-full:RetainedEarningsMember |
| 126 |
Effect of derivative financial instruments acquired for hedging purposes [member] |
Member |
|
|
ifrs-full:ReserveOfChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiabilityMember |
| 127 |
Reserve of gains and losses from investments in equity instruments [member] |
Member |
|
|
ifrs-full:ReserveOfGainsAndLossesFromInvestmentsInEquityInstrumentsMember |
| 128 |
Re-measurements of defined benefit plans [member] |
Member |
|
|
ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember |
| 129 |
Cumulative translation adjustment [member] |
Member |
|
|
ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 130 |
Total equity attributable to equity holders of the parent [member] |
Member |
|
|
ifrs-full:EquityAttributableToOwnersOfParentMember |
| 131 |
Non- controlling interests [member] |
Member |
|
|
ifrs-full:NoncontrollingInterestsMember |
| 132 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 133 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 134 |
Effect of adoption of new accounting standards [member] |
Member |
|
|
ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember |
| 135 |
Restated balance [member] |
Member |
|
|
amx:RestatedBalanceMember |
| 136 |
Statement of changes in equity [line items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 137 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 138 |
Net profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 139 |
Effect of fair value of derivatives, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges |
| 140 |
Unrealized gain or loss on equity investments at fair value, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments |
| 141 |
Remeasurement of defined benefit plan, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 142 |
Effect of translation of foreign entities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation |
| 143 |
Total comprehensive income (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 144 |
Dividends declared |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsPaid |
| 145 |
Stock dividend (Note 19) |
Concept (Monetary) |
For Period |
Credit |
amx:StockDividends |
| 146 |
Hyperinflation adjustment (Note 2i) |
Concept (Monetary) |
For Period |
Debit |
amx:HyperinflationAdjustment |
| 147 |
Repurchase of shares |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PurchaseOfTreasuryShares |
| 148 |
Partial sale of shares of Telekom Austria (Note 12) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughAcquisitionOfSubsidiary |
| 149 |
Redemption of hybrid bond (Note 19) |
Concept (Monetary) |
For Period |
Debit |
amx:RedemptionOfHybridBond |
| 150 |
Other acquisitions of non-controlling interests (Note 12) |
Concept (Monetary) |
For Period |
Credit |
amx:IncreaseDecreaseOtherAcquisitionOfNonControllingInterestsAndOther |
| 151 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 152 |
1006 - Statement - Consolidated Statements of Cash Flows |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000 |
| 153 |
Implied Table |
Table |
* |
* |
implied:Table |
| 154 |
Statement of cash flows [abstract] |
Abstract |
|
|
ifrs-full:StatementOfCashFlowsAbstract |
| 155 |
Operating activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 156 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 157 |
Items not requiring the use of cash: |
Abstract |
|
|
ifrs-full:AdjustmentsForReconcileProfitLossAbstract |
| 158 |
Depreciation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDepreciationExpense |
| 159 |
Amortization of intangible and other assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForAmortisationExpense |
| 160 |
Equity interest in net income of associated companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod |
| 161 |
Loss on sale of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment |
| 162 |
Net period cost of labor obligations |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForNetPeriodCostOfLaborObligations |
| 163 |
Foreign currency exchange loss, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains |
| 164 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForInterestIncome |
| 165 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForInterestExpense |
| 166 |
Employee profit sharing |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForEmployeeProfitSharing |
| 167 |
Loss (gain) in valuation of derivative financial instruments, capitalized interest expense and other, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates |
| 168 |
Gain on net monetary positions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnNetMonetaryPosition |
| 169 |
Working capital changes: |
Abstract |
|
|
amx:ChangesInWorkingCapitalAbstract |
| 170 |
Subscribers, distributors, recoverable taxes, contract assets and other, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables |
| 171 |
Prepaid expenses |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForDecreaseIncreaseInPrepaidExpenses |
| 172 |
Related parties |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForDecreaseIncreaseInReceivablesFromRelatedParties |
| 173 |
Inventories |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInInventories |
| 174 |
Other assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherAssets |
| 175 |
Employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities |
| 176 |
Accounts payable and accrued liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAndOtherPayables |
| 177 |
Employee profit sharing paid |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForIncreaseDecreaseInEmployeeProfitSharing |
| 178 |
Financial instruments and other |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForDecreaseIncreaseInFinancialInstrumentsAndOther |
| 179 |
Deferred revenues |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInDeferredIncome |
| 180 |
Interest received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestReceivedClassifiedAsOperatingActivities |
| 181 |
Income taxes paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeTaxesPaidClassifiedAsOperatingActivities |
| 182 |
Net cash flows provided by operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 183 |
Investing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 184 |
Purchase of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 185 |
Acquisition of intangibles |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities |
| 186 |
Dividends received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceived |
| 187 |
Proceeds from sale of plant, property and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 188 |
Acquisition of businesses, net of cash acquired |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities |
| 189 |
Partial sale of shares of associated company |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfInterestsInAssociates |
| 190 |
Investments in associate companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfInterestsInAssociates |
| 191 |
Net cash flows provided by (used in) investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 192 |
Financing activities |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 193 |
Loans obtained |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromNoncurrentBorrowings |
| 194 |
Repayment of loans |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities |
| 195 |
Interest paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestPaidClassifiedAsFinancingActivities |
| 196 |
Repurchase of shares |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsToAcquireOrRedeemEntitysShares |
| 197 |
Dividends paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidClassifiedAsFinancingActivities |
| 198 |
Derivative financial instruments |
Concept (Monetary) |
For Period |
Credit |
amx:PurchaseOfDerivativeFinancialInstruments |
| 199 |
Partial sale of shares in subsidiary |
Concept (Monetary) |
For Period |
Debit |
amx:ProceedsFromIssuingSharesInSubsidiaries |
| 200 |
Redemption of hybrid bond |
Concept (Monetary) |
For Period |
Debit |
amx:RedemptionOfHybridBond |
| 201 |
Acquisition of non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsFromChangesInOwnershipInterestsInSubsidiaries |
| 202 |
Net cash flows used in financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 203 |
Net (decrease) increase in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges |
| 204 |
Adjustment to cash flows due to exchange rate fluctuations, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 205 |
Cash and cash equivalents at beginning of the period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 206 |
Cash and cash equivalents at end of the period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 207 |
Non-cash transactions related to: |
Abstract |
|
|
amx:NonCashTransactionsRelatedToAcquisitionsNonCashTransactionsRelatedToAcquisitionsAbstract |
| 208 |
Acquisitions of property, plant and equipment in accounts payable at end year |
Concept (Monetary) |
For Period |
Credit |
amx:CapitalExpendituresIncurredButNotYetPaid1 |
| 209 |
Redemption of exchangeable bond |
Concept (Monetary) |
For Period |
Credit |
amx:RedemptionOfExchangeableBond |
| 210 |
Non-cash transactions |
Concept (Monetary) |
For Period |
Debit |
amx:AdjustmentsForNonCashTransactions |
| 211 |
1007 - Disclosure - Description of the Business and Relevant Events |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNotesAndOtherExplanatoryInformationExplanatory |
| 212 |
Implied Table |
Table |
* |
* |
implied:Table |
| 213 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 214 |
Description of the Business and Relevant Events |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory |
| 215 |
1008 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBasisOfPreparationOfConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesExplanatory |
| 216 |
Implied Table |
Table |
* |
* |
implied:Table |
| 217 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 218 |
Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfBasisOfPreparationOfConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesExplanatory |
| 219 |
1009 - Disclosure - Cash and Cash Equivalents |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatory |
| 220 |
Implied Table |
Table |
* |
* |
implied:Table |
| 221 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 222 |
Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory |
| 223 |
1010 - Disclosure - Equity investments at fair value through OCI and other short-term investments |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestmentsExplanatory |
| 224 |
Implied Table |
Table |
* |
* |
implied:Table |
| 225 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 226 |
Equity investments at fair value through OCI and other short-term investments |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestmentsExplanatory |
| 227 |
1011 - Disclosure - Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other, net |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatory |
| 228 |
Implied Table |
Table |
* |
* |
implied:Table |
| 229 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 230 |
Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other, net |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory |
| 231 |
1012 - Disclosure - Related Parties |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatory |
| 232 |
Implied Table |
Table |
* |
* |
implied:Table |
| 233 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 234 |
Related Parties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRelatedPartyExplanatory |
| 235 |
1013 - Disclosure - Derivative Financial Instruments |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDerivativeFinancialInstrumentsExplanatory |
| 236 |
Implied Table |
Table |
* |
* |
implied:Table |
| 237 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 238 |
Derivative Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory |
| 239 |
1014 - Disclosure - Inventories, net |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory |
| 240 |
Implied Table |
Table |
* |
* |
implied:Table |
| 241 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 242 |
Inventories, net |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInventoriesExplanatory |
| 243 |
1015 - Disclosure - Other assets, net |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherAssetsExplanatory |
| 244 |
Implied Table |
Table |
* |
* |
implied:Table |
| 245 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 246 |
Other assets, net |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherAssetsExplanatory |
| 247 |
1016 - Disclosure - Property, Plant and Equipment, Net |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory |
| 248 |
Implied Table |
Table |
* |
* |
implied:Table |
| 249 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 250 |
Property, Plant and Equipment, Net |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 251 |
1017 - Disclosure - Intangible assets, net and goodwill |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatory |
| 252 |
Implied Table |
Table |
* |
* |
implied:Table |
| 253 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 254 |
Intangible assets, net and goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsExplanatory |
| 255 |
1018 - Disclosure - Business combinations, acquisitions, sale and non-controlling interest |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestExplanatory |
| 256 |
Implied Table |
Table |
* |
* |
implied:Table |
| 257 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 258 |
Business combinations, acquisitions, sale and non-controlling interest |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestExplanatory |
| 259 |
1019 - Disclosure - Income Taxes |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory |
| 260 |
Implied Table |
Table |
* |
* |
implied:Table |
| 261 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 262 |
Income Taxes |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
| 263 |
1020 - Disclosure - Debt |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatory |
| 264 |
Implied Table |
Table |
* |
* |
implied:Table |
| 265 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 266 |
Debt |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBorrowingsExplanatory |
| 267 |
1021 - Disclosure - Accounts payable, accrued liabilities and asset retirement obligations |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsExplanatory |
| 268 |
Implied Table |
Table |
* |
* |
implied:Table |
| 269 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 270 |
Accounts payable, accrued liabilities and asset retirement obligations |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsExplanatory |
| 271 |
1022 - Disclosure - Commitments and Contingencies |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 272 |
Implied Table |
Table |
* |
* |
implied:Table |
| 273 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 274 |
Commitments and Contingencies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 275 |
1023 - Disclosure - Employee Benefits |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEmployeeBenefitsExplanatory |
| 276 |
Implied Table |
Table |
* |
* |
implied:Table |
| 277 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 278 |
Employee Benefits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEmployeeBenefitsExplanatory |
| 279 |
1024 - Disclosure - Financial Assets and Liabilities |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfFinancialInstrumentsExplanatory |
| 280 |
Implied Table |
Table |
* |
* |
implied:Table |
| 281 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 282 |
Financial Assets and Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsExplanatory |
| 283 |
1025 - Disclosure - Shareholders' Equity |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
| 284 |
Implied Table |
Table |
* |
* |
implied:Table |
| 285 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 286 |
Shareholders' Equity |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory |
| 287 |
1026 - Disclosure - Components of other comprehensive (loss) income |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory |
| 288 |
Implied Table |
Table |
* |
* |
implied:Table |
| 289 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 290 |
Components of other comprehensive (loss) income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory |
| 291 |
1027 - Disclosure - Valuation of derivatives, interest cost from labor obligations and other financial items, net |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfValuationOfDerivativesInterstCostFromLaborObligationsAndOtherFinancialItemsExplanatory |
| 292 |
Implied Table |
Table |
* |
* |
implied:Table |
| 293 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 294 |
Valuation of derivatives, interest cost from labor obligations and other financial items, net |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfValuationOfDerivativesInterstCostFromLaborObligationsAndOtherFinancialItemsExplanatory |
| 295 |
1028 - Disclosure - Segments |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEntitysReportableSegmentsExplanatory |
| 296 |
Implied Table |
Table |
* |
* |
implied:Table |
| 297 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 298 |
Segments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory |
| 299 |
1029 - Disclosure - Recently Issued Accounting Standards |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory |
| 300 |
Implied Table |
Table |
* |
* |
implied:Table |
| 301 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 302 |
Recently Issued Accounting Standards |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory |
| 303 |
1030 - Disclosure - Subsequent Events |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfSubsequentExplanatory |
| 304 |
Implied Table |
Table |
* |
* |
implied:Table |
| 305 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 306 |
Subsequent Events |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfSubsequentExplanatory |
| 307 |
1031 - Disclosure - Supplemental Guarantor Information |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory |
| 308 |
Implied Table |
Table |
* |
* |
implied:Table |
| 309 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 310 |
Supplemental Guarantor Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfConsolidatedAndSeparateFinancialStatementsExplanatory |
| 311 |
1032 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices (Policies) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBasisOfPreparationOfConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesExplanatoryPolicies |
| 312 |
Implied Table |
Table |
* |
* |
implied:Table |
| 313 |
Text block [abstract] |
Abstract |
|
|
amx:TextBlockAbstract |
| 314 |
Basis of preparation |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForBasisOfPreparationExplanatory |
| 315 |
Revenue recognition |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue |
| 316 |
Cost of sales |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForCostOfSalesExplanatory |
| 317 |
Cost of services |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForCostOfServicesExplanatory |
| 318 |
Commissions to distributors |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForCommissionsToDistributorsExplanatory |
| 319 |
Cash and cash equivalents |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForRestrictedCashAndCashEquivalentsExplanatory |
| 320 |
Equity investments at fair value through OCI and other short-term investments |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestmentsExplanatory |
| 321 |
Inventories |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories |
| 322 |
Business combinations and goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsAndGoodwillExplanatory |
| 323 |
Property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory |
| 324 |
Intangibles |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory |
| 325 |
Impairment in the value of long-lived assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory |
| 326 |
Leases |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory |
| 327 |
Financial assets and liabilities |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForFinancialAssetsAndLiabilitiesExplanatory |
| 328 |
Transactions in foreign currency |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
| 329 |
Accounts payable, accrued liabilities and provisions |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForAccountsPayableAccruedLiabilitiesAndProvisionsExplanatory |
| 330 |
Employee benefits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory |
| 331 |
Employee profit sharing |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfAccountingPolicyForEmployeeProfitSharingExplanatory |
| 332 |
Taxes |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory |
| 333 |
Advertising |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfAccountingPolicyForAdvertisingExplanatory |
| 334 |
Earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory |
| 335 |
Financial risks |
Concept (Text Block (HTML)) |
For Period |
|
amx:DisclosureOfAccountingPolicyForFinancialRiskManagementExplanatory |
| 336 |
Derivative financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsExplanatory |
| 337 |
Current versus non-current classification |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForClassificationOfCurrentAndNoncurrentAssetsAndLiabilitiesExplanatory |
| 338 |
Presentation of consolidated statements of comprehensive income |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForPresentationOfConsolidatedStatementsOfComprehensiveIncomeExplanatory |
| 339 |
Operating segments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory |
| 340 |
Convenience translation |
Concept (Text Block (HTML)) |
For Period |
|
amx:DescriptionOfAccountingPolicyForConvenienceTranslationExplanatory |
| 341 |
Significant accounting judgments, estimates and assumptions |
Concept (Text Block (HTML)) |
For Period |
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Retrospective adjustment |
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Schedule of Effect of Adoption of IFRS 15 |
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Schedule of Impact of Adoption IFRS 15 on Company's Financial Statements |
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Schedule of Impact in Consolidated Financial Statements upon Application of Hyperinflation |
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Summary of Equity Interest in Most Significant Subsidiaries |
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Summary of Annual Depreciation Rates |
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Summary of Exchange Rates Used forTranslation of Foreign Currencies |
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Summary of Retrospective Reclassification of Financial Statements |
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1034 - Disclosure - Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other, net (Tables) |
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amx:StatementLineItems |
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Summary of Analysis of Accounts Receivable by Component |
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amx:DisclosureOfAccountsReceivableByComponentExplanatory |
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Schedule of Changes in Allowance for Expected Credit Losses |
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ifrs-full:DisclosureOfAllowanceForCreditLossesExplanatory |
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Summary of Aging of Accounts Receivable |
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Summary of Accounts Receivable from Subscribers and Distributors Included in the Allowance for Doubtful Accounts |
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amx:DisclosureOfChangeInAllowanceForBadDebtsExplanatory |
| 365 |
Summary of Analysis of Contract Assets and Liabilities |
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amx:DisclosureOfAnalysisOfContractAssetsAndLiabilitiesExplanatory |
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1035 - Disclosure - Related Parties (Tables) |
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amx:TextBlockAbstract |
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Summary of Analysis of the Balances with Related Parties |
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| 370 |
Summary of Transactions with Related Parties |
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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory |
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1036 - Disclosure - Derivative Financial Instruments (Tables) |
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amx:TextBlockAbstract |
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Schedule of Derivative Financial Instruments Contracted |
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amx:DisclosureOfDerivativeFinancialInstrumentsContractExplanatory |
| 375 |
Summary of Maturities of Notional Amount of Derivatives |
Concept (Text Block (HTML)) |
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amx:DisclosureOfNotionalAmountsOfDerivativesExplanatory |
| 376 |
1037 - Disclosure - Inventories, net (Tables) |
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Implied Table |
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Abstract |
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amx:TextBlockAbstract |
| 379 |
Summary of Analysis of Inventories |
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amx:DisclosureOfDetailedInformationAboutInventoriesExplanatory |
| 380 |
1038 - Disclosure - Other assets, net (Tables) |
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Implied Table |
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Abstract |
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amx:TextBlockAbstract |
| 383 |
Summary of Analysis of Other Assets |
Concept (Text Block (HTML)) |
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amx:DisclosureOfInformationAboutOtherAssetsExplanatory |
| 384 |
1039 - Disclosure - Property, Plant and Equipment, Net (Tables) |
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Statement [table] |
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Statement [LineItems] |
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amx:StatementLineItems |
| 390 |
Schedule of Property, Plant and Equipment, Net |
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| 391 |
Schedule of Relevant Information Related to Computation of Capitalized Borrowing Costs |
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1040 - Disclosure - Intangible assets, net and goodwill (Tables) |
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Implied Table |
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Abstract |
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amx:TextBlockAbstract |
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Summary of Analysis of Intangible Assets |
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| 396 |
Summary of Aggregate Carrying Amount of Goodwill |
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ifrs-full:DisclosureOfGoodwillExplanatory |
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1041 - Disclosure - Business combinations, acquisitions, sale and non-controlling interest (Tables) |
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Text block [abstract] |
Abstract |
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amx:TextBlockAbstract |
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Summary of Selected Financial Data From Statements of Financial Position |
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amx:DisclosureOfSelectedFinancialDataFromStatementsOfFinancialPositionExplanatory |
| 401 |
Summary of Statements of Comprehensive Income |
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1042 - Disclosure - Income Taxes (Tables) |
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Abstract |
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amx:TextBlockAbstract |
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Summary of Composition of Income Tax Expense |
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amx:DisclosureOfComponentsOfIncomeTaxExplanatory |
| 406 |
Summary of Deferred Tax Related to Items Recognized in OCI |
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ifrs-full:DisclosureOfDeferredTaxesExplanatory |
| 407 |
Summary of Reconciliation of Statutory Income Tax Rate in Mexico to Consolidated Effective Income Tax Rate Recognized |
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amx:DisclosureOfReconciliationOfEffectiveTaxRateExplanatory |
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Summary of Analysis of Temporary Differences Giving Rise to Net Deferred Tax Liability |
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Summary of Reconciliation of Deferred Tax Assets and Liabilities, Net |
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Available Tax Loss Carryforwards Recorded in Deferred Tax Assets |
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1043 - Disclosure - Debt (Tables) |
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Implied Table |
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amx:TextBlockAbstract |
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Summary of Short- and Long-Term Debt |
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Summary of Short Term Debt Maturities |
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amx:DisclosureOfShortTermBorrowingsExplanatory |
| 417 |
Summary of Long Term Debt Maturities |
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amx:DisclosureOfLongTermBorrowingsExplanatory |
| 418 |
Summary of Senior Notes Outstanding |
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1044 - Disclosure - Accounts payable, accrued liabilities and asset retirement obligations (Tables) |
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Components Accounts Payable and Accrued Liabilities |
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amx:DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatory |
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Summary of Balance of Accrued Liabilities |
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amx:DisclosureOfAccruedLiabilitiesExplanatory |
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Summary of Movements in Contingent Liabilities |
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amx:DisclosureOfMovementsInContingenciesExplanatory |
| 425 |
Summary of Movements in Asset Retirement Obligations |
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1045 - Disclosure - Commitments and Contingencies (Tables) |
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Schedule of Non-Cancelable Commitments under Finance and Operating Leases |
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Purchase Commitments |
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amx:DisclosureOfPurchaseCommitmentsExplanatory |
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1046 - Disclosure - Employee Benefits (Tables) |
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ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory |
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Summary of Assumptions Used in Determining the Net Period Cost |
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Summary of Long-Term Direct Employee Benefits |
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1047 - Disclosure - Financial Assets and Liabilities (Tables) |
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Concept (Text Block (HTML)) |
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Summary of Fair Value for the Financial Assets (Excluding Cash and Cash Equivalents) and Financial Liabilities |
Concept (Text Block (HTML)) |
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Summary of Changes in Liabilities Arising From Financing Activities |
Concept (Text Block (HTML)) |
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1048 - Disclosure - Shareholders' Equity (Tables) |
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Summary of Computation of The Basic and Diluted Earnings |
Concept (Text Block (HTML)) |
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1049 - Disclosure - Components of other comprehensive (loss) income (Tables) |
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amx:TextBlockAbstract |
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1050 - Disclosure - Valuation of derivatives, interest cost from labor obligations and other financial items, net (Tables) |
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1051 - Disclosure - Segments (Tables) |
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amx:TextBlockAbstract |
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Summary of Operating Segments |
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1052 - Disclosure - Supplemental Guarantor Information (Tables) |
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Schedule of Consolidating Condensed Financial Information |
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1053 - Disclosure - Description of the Business and Relevant Events - Additional Information (Detail) |
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1054 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Impact of Adoption IFRS 15 on Statements of Financial Position (Detail) |
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Abstract |
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Abstract |
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Concept (Monetary) |
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Credit |
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| 493 |
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Concept (Monetary) |
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Concept (Monetary) |
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Concept (Monetary) |
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Concept (Monetary) |
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Concept (Monetary) |
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Credit |
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Current liabilities: |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 501 |
Short-term debt and current portion of long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 502 |
Accounts payable and other liabilities |
Concept (Monetary) |
As Of |
Credit |
amx:AccountsPayableAndOtherLiabilities |
| 503 |
Deferred revenues |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredIncomeClassifiedAsCurrent |
| 504 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 505 |
Non-current-liabilities: |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 506 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 507 |
Deferred income taxes |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 508 |
Other liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentLiabilities |
| 509 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 510 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 511 |
Total liabilities and equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
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1055 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Impact of Adoption IFRS 15 on Statements of Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesScheduleOfImpactOfAdoptionIFRS15OnStatementsOfComprehensiv_Xd |
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Disclosure of subsidiaries [table] |
Table |
* |
* |
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Retrospective application and retrospective restatement [axis] |
Axis |
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ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 515 |
Currently stated [member] |
Member |
|
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ifrs-full:RestatedMember |
| 516 |
IFRS 15 [member] |
Member |
|
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amx:IFRS15Member |
| 517 |
Previous IFRS [member] |
Member |
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ifrs-full:PreviouslyStatedMember |
| 518 |
Increase/(decrease) [member] |
Member |
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ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member |
| 519 |
Disclosure of subsidiaries [line items] |
LineItems |
|
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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 520 |
Operating revenues: |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 521 |
Revenues services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServices |
| 522 |
Sales of equipment |
Concept (Monetary) |
For Period |
Credit |
amx:OperatingRevenueSalesOfEquipmentNet |
| 523 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 524 |
Operating costs and expenses: |
Abstract |
|
|
amx:OperatingCostAndExpenseAbstract |
| 525 |
Cost of sales and services |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 526 |
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Concept (Monetary) |
For Period |
Debit |
amx:CommercialAdministrativeGeneralAndOtherExpenses |
| 527 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAndAmortisationExpense |
| 528 |
Operating costs and expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 529 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 530 |
Financial items, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncomeCost |
| 531 |
Equity interest in net result of associated companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod |
| 532 |
Income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 533 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 534 |
Net profit for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
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1056 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesAdditionalInformation |
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Disclosure Of Basis Of Preparation Of Consolidated Financial Statements And Summary Of Significant Accounting Policies And Practices [table] |
Table |
* |
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Classes of intangible assets other than goodwill [axis] |
Axis |
|
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ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
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Intangibles, net [member] |
Member |
|
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| 539 |
Licenses and rights of use [member] |
Member |
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ifrs-full:LicencesAndFranchisesMember |
| 540 |
Trademarks [member] |
Member |
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amx:Trademarks1Member |
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Customer relationships [member] |
Member |
|
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ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 542 |
Components of equity [axis] |
Axis |
|
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ifrs-full:ComponentsOfEquityAxis |
| 543 |
Equity [member] |
Member |
|
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ifrs-full:EquityMember |
| 544 |
Cumulative translation adjustment [member] |
Member |
|
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ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember |
| 545 |
Geographical areas [axis] |
Axis |
|
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ifrs-full:GeographicalAreasAxis |
| 546 |
Geographical areas [member] |
Member |
|
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ifrs-full:GeographicalAreasMember |
| 547 |
Argentina [member] |
Member |
|
|
country:AR |
| 548 |
U.S.A. [member] |
Member |
|
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country:US |
| 549 |
Non-adjusting events after reporting period [axis] |
Axis |
|
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ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 550 |
Non-adjusting events after reporting period [member] |
Member |
|
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ifrs-full:NonadjustingEventsMember |
| 551 |
U.S.A. [member] |
Member |
|
|
country:US |
| 552 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 553 |
Ranges [member] |
Member |
|
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ifrs-full:RangesMember |
| 554 |
Bottom of range [member] |
Member |
|
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ifrs-full:BottomOfRangeMember |
| 555 |
Top of range [member] |
Member |
|
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ifrs-full:TopOfRangeMember |
| 556 |
Types of risks [axis] |
Axis |
|
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ifrs-full:TypesOfRisksAxis |
| 557 |
Risks [member] |
Member |
|
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ifrs-full:TypesOfRisksMember |
| 558 |
Interest rate risk [member] |
Member |
|
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ifrs-full:InterestRateRiskMember |
| 559 |
Currency risk [member] |
Member |
|
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ifrs-full:CurrencyRiskMember |
| 560 |
Income Statement Location [axis] |
Axis |
|
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amx:IncomeStatementLocationAxis |
| 561 |
Income Statement Location1 [member] |
Member |
|
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amx:IncomeStatementLocation1Member |
| 562 |
Cost of sales [member] |
Member |
|
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amx:CostOfSalesMember |
| 563 |
Commercial, administrative and general expenses [member] |
Member |
|
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amx:CommercialAdministrationAndGeneralExpensesMember |
| 564 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 565 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 566 |
Foreign subsidiaries [member] |
Member |
|
|
amx:ForeignSubsidiariesMember |
| 567 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
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ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 568 |
Currently stated [member] |
Member |
|
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ifrs-full:RestatedMember |
| 569 |
Impact of application of hyperinflation adjustments in 2018 [member] |
Member |
|
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amx:ImpactOfApplicationOfHyperinflationAdjustmentsMember |
| 570 |
Disclosure of basis of preparation of consolidated financial statements and summary of significant accounting policies and practices [line items] |
LineItems |
|
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amx:DisclosureOfBasisOfPreparationOfConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesLineItems |
| 571 |
Term of selling equipment under financing model |
Concept (xbrli:durationItemType) |
For Period |
|
amx:TermOfSellingEquipmentUnderFinancingModel |
| 572 |
Impairment on trade receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossRecognisedInProfitOrLossTradeReceivables |
| 573 |
Impairment losses that impacted the carrying amount of debt instruments at fair value through OCI |
Concept (Monetary) |
For Period |
Debit |
amx:ImpairmentLossesImpactedTheCarryingAmountOfDebtInstrumentsAtFairValueThroughOtherComprehensiveIncome |
| 574 |
Cumulative inflation percentage |
Concept (Percent) |
For Period |
|
amx:CumulativeInflationPercentage |
| 575 |
Cumulative inflation period |
Concept (xbrli:durationItemType) |
For Period |
|
amx:CumulativeInflationPeriod |
| 576 |
Cumulative index |
Concept (Pure) |
For Period |
|
amx:CumulativeIndexRatio |
| 577 |
Percentage of annual basis index |
Concept (Percent) |
For Period |
|
amx:PercentageOfAnnualBasisIndex |
| 578 |
Closing exchange rate |
Concept (Decimal) |
As Of |
|
ifrs-full:ClosingForeignExchangeRate |
| 579 |
Consolidated operating revenues |
Concept (Percent) |
For Period |
|
ifrs-full:PercentageOfEntitysRevenue |
| 580 |
Percentage of operating revenue as percentage of total assets |
Concept (Percent) |
For Period |
|
amx:PercentageOfOperatingRevenueAsPercentageOfTotalAssets |
| 581 |
Cumulative translation (loss) gain |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccumulatedOtherComprehensiveIncome |
| 582 |
Impairment losses on goodwill |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill |
| 583 |
Borrowing costs capitalised |
Concept (Monetary) |
For Period |
|
ifrs-full:BorrowingCostsCapitalised |
| 584 |
Impairment losses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLoss |
| 585 |
Intangibles useful life |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill |
| 586 |
Estimated useful lives |
Concept (xbrli:durationItemType) |
For Period |
|
amx:EstimatedUsefulLivesOfIntangibleAsset |
| 587 |
Impairment losses on intangibles |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 588 |
Description of estimation of impairment cash-generating unit |
Concept (Text/String) |
For Period |
|
amx:DescriptionOfEstimationOfImpairmentCashGeneratingUnit |
| 589 |
Percentage of sensitivity analysis for increase in capital expenditures |
Concept (Percent) |
For Period |
|
amx:PercentageOfSensitivityAnalysisForIncreaseInCapitalExpenditures |
| 590 |
Adjustments of sensitivity analysis long-life assets |
Concept (Monetary) |
As Of |
Debit |
amx:AdjustmentsOfSensitivityAnalysisLongLifeAssets |
| 591 |
Increase in weighted average cost of capital basis |
Concept (Percent) |
For Period |
|
amx:IncreaseInWeightedAverageCostOfCapitalBasis |
| 592 |
Adjustments for assumption of weighted average cost of capital |
Concept (Monetary) |
As Of |
Debit |
amx:AdjustmentsForAssumptionOfWeightedAverageCostOfCapital |
| 593 |
Monthly contributions to pension fund |
Concept (Percent) |
For Period |
|
amx:PercentageOfContributionToDefinedBenefitPlanEqualToEmployeeAggregateSalary |
| 594 |
Percentage of employee profit sharing based on individual company taxable income |
Concept (Percent) |
For Period |
|
amx:PercentageOfEmployeeProfitSharingBasedOnIndividualCompanyTaxableIncome |
| 595 |
Advertising expenses |
Concept (Monetary) |
For Period |
Debit |
amx:AdvertisingExpense1 |
| 596 |
Increase in basis points |
Concept (Percent) |
For Period |
|
amx:IncreaseDecreaseInBasisPoints |
| 597 |
Fluctuation in exchange rates |
Concept (Percent) |
As Of |
|
amx:IncreaseDecreaseInInterestRate |
| 598 |
Increase in net interest expense |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughForeignExchangeExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts |
| 599 |
Increase (decrease) in interest expense |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts |
| 600 |
Increase (decrease) in interest expense |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 601 |
Increase (decrease) through changes in foreign exchange rates, regulatory deferral account credit balances |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesRegulatoryDeferralAccountCreditBalances |
| 602 |
Increase (decrease) through changes in discount rates, regulatory deferral account credit balances |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangesInDiscountRatesRegulatoryDeferralAccountCreditBalances |
| 603 |
Increase/(decrease) in exchange rates |
Concept (Percent) |
For Period |
|
amx:IncreaseDecreaseExchangeRate |
| 604 |
Employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ShorttermEmployeeBenefitsExpense |
| 605 |
Concentration risk percentage |
Concept (Percent) |
As Of |
|
amx:ConcentrationRisksPercentage |
| 606 |
Number of segments |
Concept (Integer) |
For Period |
|
amx:NumberOfSegment |
| 607 |
1057 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Effect of Adoption of IFRS 9 in Retained Earnings and Other Components of Equity (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesScheduleOfEffectOfAdoptionOfIFRS9InRetainedEarningsAndOthe_Xb |
| 608 |
Disclosure of subsidiaries [table] |
Table |
* |
* |
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| 609 |
Effect of overlay approach reclassification [axis] |
Axis |
|
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ifrs-full:EffectOfOverlayApproachReclassificationAxis |
| 610 |
In accordance with IFRS 9 [member] |
Member |
|
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ifrs-full:InAccordanceWithIFRS9Member |
| 611 |
Adjustments [member] |
Member |
|
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amx:IFRS9AdjustmentsMember |
| 612 |
Disclosure of subsidiaries [line items] |
LineItems |
|
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ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 613 |
Assets |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 614 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 615 |
Deferred tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 616 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 617 |
Equity |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 618 |
Retained earnings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 619 |
Total adjustment on equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 620 |
1058 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Impact in Consolidated Financial Statements upon Application of Hyperinflation (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesScheduleOfImpactInConsolidatedFinancialStatementsUponAppli_Xc |
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Disclosure Of Corporate Information [table] |
Table |
* |
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amx:DisclosureOfCorporateInformationTable |
| 622 |
Geographical areas [axis] |
Axis |
|
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ifrs-full:GeographicalAreasAxis |
| 623 |
Geographical areas [member] |
Member |
|
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ifrs-full:GeographicalAreasMember |
| 624 |
Argentina [member] |
Member |
|
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country:AR |
| 625 |
Retrospective application and retrospective restatement [axis] |
Axis |
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ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 626 |
Currently stated [member] |
Member |
|
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ifrs-full:RestatedMember |
| 627 |
Impact of application of hyperinflation adjustments in 2018 [member] |
Member |
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amx:ImpactOfApplicationOfHyperinflationAdjustmentsMember |
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Disclosure of corporate information [Line Items] |
LineItems |
|
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amx:DisclosureOfCorporateInformationLineItems |
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Operating revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 630 |
Operating loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OperatingExpense |
| 631 |
Financial loss |
Concept (Monetary) |
For Period |
Credit |
amx:FinancialIncomeLoss |
| 632 |
Gain on net monetary positions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnNetMonetaryPosition |
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Income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 634 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 635 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
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Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 637 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 638 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 639 |
1059 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Impact in Consolidated Financial Statements upon Application of Hyperinflation (Parenthetical) (Detail) |
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Disclosure Of Corporate Information [table] |
Table |
* |
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amx:DisclosureOfCorporateInformationTable |
| 641 |
Geographical areas [axis] |
Axis |
|
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ifrs-full:GeographicalAreasAxis |
| 642 |
Geographical areas [member] |
Member |
|
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ifrs-full:GeographicalAreasMember |
| 643 |
Argentina [member] |
Member |
|
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country:AR |
| 644 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
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ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 645 |
Currently stated [member] |
Member |
|
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ifrs-full:RestatedMember |
| 646 |
Impact of application of hyperinflation adjustments in 2018 [member] |
Member |
|
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amx:ImpactOfApplicationOfHyperinflationAdjustmentsMember |
| 647 |
Disclosure of corporate information [Line Items] |
LineItems |
|
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amx:DisclosureOfCorporateInformationLineItems |
| 648 |
Hyperinflation adjustment |
Concept (Monetary) |
For Period |
Debit |
amx:HyperinflationAdjustment |
| 649 |
Net effect |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
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1060 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of Equity Interest in Most Significant Subsidiaries (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesSummaryOfEquityInterestInMostSignificantSubsidiaries |
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Disclosure of subsidiaries [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 652 |
Geographical areas [axis] |
Axis |
|
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ifrs-full:GeographicalAreasAxis |
| 653 |
Geographical areas [member] |
Member |
|
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ifrs-full:GeographicalAreasMember |
| 654 |
Netherlands [member] |
Member |
|
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country:NL |
| 655 |
Mexico [member] |
Member |
|
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country:MX |
| 656 |
Dominican Republic [member] |
Member |
|
|
country:DO |
| 657 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 658 |
Honduras [member] |
Member |
|
|
country:HN |
| 659 |
U.S.A. [member] |
Member |
|
|
country:US |
| 660 |
Brazil [member] |
Member |
|
|
country:BR |
| 661 |
Guatemala [member] |
Member |
|
|
country:GT |
| 662 |
Nicaragua [member] |
Member |
|
|
country:NI |
| 663 |
El Salvador [member] |
Member |
|
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country:SV |
| 664 |
Colombia [member] |
Member |
|
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country:CO |
| 665 |
Ecuador [member] |
Member |
|
|
country:EC |
| 666 |
Argentina [member] |
Member |
|
|
country:AR |
| 667 |
Paraguay [member] |
Member |
|
|
country:PY |
| 668 |
Uruguay [member] |
Member |
|
|
country:UY |
| 669 |
Chile [member] |
Member |
|
|
country:CL |
| 670 |
Peru [member] |
Member |
|
|
country:PE |
| 671 |
Austria [member] |
Member |
|
|
country:AT |
| 672 |
Subsidiaries [axis] |
Axis |
|
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ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 673 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 674 |
America Movil B. V. [member] |
Member |
|
|
amx:AmericaMovilBVMember |
| 675 |
Compania Dominicana De Telefonos S.A. (Codetel) [member] |
Member |
|
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amx:CompaniaDominicanaDeTelefonosSaCodetelMember |
| 676 |
Sercotel, S.A. de C.V. [member] |
Member |
|
|
amx:SercotelSADeCVMember |
| 677 |
Radiomovil Dipsa, S.A. de C.V. and subsidiaries (Telcel) [member] |
Member |
|
|
amx:RadiomovilDipSADeCVAndSubsidiariesTelcelMember |
| 678 |
Puerto Rico Telephone Company Inc [member] |
Member |
|
|
amx:PuertoRicoTelephoneCompanyIncMember |
| 679 |
Servicios de Comunicaciones de Honduras, S.A. de C.V.(Sercom Honduras) [member] |
Member |
|
|
amx:ServiciosDeComunicacionesDeHondurasSADeCVMember |
| 680 |
TracFone Wireless, Inc. (TracFone) [member] |
Member |
|
|
amx:TracfoneWirelessIncTracfoneMember |
| 681 |
Claro S.A. (Claro Brasil) [member] |
Member |
|
|
amx:ClaroSAClaroBrasilMember |
| 682 |
Telecomunicaciones de Guatemala, S.A. (Telgua) [member] |
Member |
|
|
amx:TelecomunicacionesDeGuatemalaSATelguaMember |
| 683 |
Empresa Nicaraguense de Telecomunicaciones, S.A. (Enitel) [member] |
Member |
|
|
amx:EmpresaNicaraguenseDeTelecomunicacionesSAEnitelMember |
| 684 |
Compania de Telecomunicaciones de El Salvador, S.A. de C.V. (CTE) [member] |
Member |
|
|
amx:CompaniaDeTelecomunicacionesDeElSalvadorSADeCVCteMember |
| 685 |
Comunicacion Celular S. A. (Comcel) [member] |
Member |
|
|
amx:ComunicacionCelularSAComcelMember |
| 686 |
Telmex Colombia, S.A. [member] |
Member |
|
|
amx:TelmexColombiaSAMember |
| 687 |
Consorcio Ecuatoriano de Telecomunicaciones, S.A. (Conecel) [member] |
Member |
|
|
amx:ConsorcioEcuatorianoDeTelecomunicacionesSAConecelMember |
| 688 |
AMX Argentina, S.A. [member] |
Member |
|
|
amx:AmxArgentinaSAMember |
| 689 |
AMX Paraguay, S.A. [member] |
Member |
|
|
amx:AmxParaguaySAMember |
| 690 |
AM Wireless Uruguay, S.A.[member] |
Member |
|
|
amx:AmWirelessUruguaySAMember |
| 691 |
Claro Chile S A [member] |
Member |
|
|
amx:ClaroChileSAMember |
| 692 |
America Movil Peru S.A. C. [member] |
Member |
|
|
amx:AmericaMovilPeruSACMember |
| 693 |
Claro Panama, S.A. [member] |
Member |
|
|
amx:ClaroPanamaSAMember |
| 694 |
Telefonos De Mexico S.A.B. de C.V [member] |
Member |
|
|
amx:TelefonosDeMexicoSABDeCVMember |
| 695 |
Telekom Austria AG [member] |
Member |
|
|
amx:TelekomAustriaAGMember |
| 696 |
Disclosure of subsidiaries [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 697 |
Percentage of equity interest |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInSubsidiary |
| 698 |
1061 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of Annual Depreciation Rates (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesSummaryOfAnnualDepreciationRates |
| 699 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 700 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 701 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 702 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 703 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 704 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 705 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 706 |
Network infrastructure [member] |
Member |
|
|
ifrs-full:NetworkInfrastructureMember |
| 707 |
Buildings and leasehold improvements [member] |
Member |
|
|
amx:BuildingsAndLeaseholdImprovementsMember |
| 708 |
Other assets [member] |
Member |
|
|
ifrs-full:OtherAssetsMember |
| 709 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 710 |
Annual depreciation rates |
Concept (Percent) |
For Period |
|
amx:PercentageOfDepreciationRate |
| 711 |
1062 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Estimate Impairment Evaluations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesScheduleOfEstimateImpairmentEvaluations |
| 712 |
Disclosure of Impairment of Assets [table] |
Table |
* |
* |
amx:DisclosureOfImpairmentOfAssetsTable |
| 713 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 714 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 715 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 716 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 717 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 718 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 719 |
Europe [member] |
Member |
|
|
srt:EuropeMember |
| 720 |
Brazil [member] |
Member |
|
|
country:BR |
| 721 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 722 |
Dominican Republic [member] |
Member |
|
|
country:DO |
| 723 |
Mexico [member] |
Member |
|
|
country:MX |
| 724 |
Ecuador [member] |
Member |
|
|
country:EC |
| 725 |
Peru [member] |
Member |
|
|
country:PE |
| 726 |
El Salvador [member] |
Member |
|
|
country:SV |
| 727 |
Chile [member] |
Member |
|
|
country:CL |
| 728 |
Colombia [member] |
Member |
|
|
country:CO |
| 729 |
Other countries [member] |
Member |
|
|
amx:OtherCountriesMember |
| 730 |
Disclosure of impairment of assets [line items] |
LineItems |
|
|
amx:DisclosureOfImpairmentOfAssetsLineItems |
| 731 |
Average margin on EBIDTA |
Concept (Percent) |
For Period |
|
amx:PercentageOfImpairmentEvaluationForAverageMarginOnEarningsBeforeInterestTaxDepreciationAndAmortization |
| 732 |
Average margin on CAPEX |
Concept (Percent) |
For Period |
|
amx:PercentageOfImpairmentEvaluationForAverageMarginOnCapitalExpenditures |
| 733 |
Average pre-tax discount rate (WACC) |
Concept (Percent) |
For Period |
|
amx:PercentageOfImpairmentEvaluationForAveragePreTaxDiscountRateWeightedAverageCostOfCapital |
| 734 |
1063 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Estimate Impairment Evaluations (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesScheduleOfEstimateImpairmentEvaluationsParenthetical |
| 735 |
Disclosure of Impairment of Assets [table] |
Table |
* |
* |
amx:DisclosureOfImpairmentOfAssetsTable |
| 736 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 737 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 738 |
Europe [member] |
Member |
|
|
srt:EuropeMember |
| 739 |
Disclosure of impairment of assets [line items] |
LineItems |
|
|
amx:DisclosureOfImpairmentOfAssetsLineItems |
| 740 |
Number of countries |
Concept (Integer) |
As Of |
|
amx:NumberOfCountriesInWhichEntityOperates2 |
| 741 |
1064 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of Exchange Rates Used for Translation of Foreign Currencies (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesSummaryOfExchangeRatesUsedForTranslationOfForeignCurrencie_Xf |
| 742 |
Disclosure Of Transactions In Foreign Currency [table] |
Table |
* |
* |
amx:DisclosureOfTransactionsInForeignCurrencyTable |
| 743 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 744 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 745 |
Argentina [member] |
Member |
|
|
country:AR |
| 746 |
Brazil [member] |
Member |
|
|
country:BR |
| 747 |
Colombia [member] |
Member |
|
|
country:CO |
| 748 |
Guatemala [member] |
Member |
|
|
country:GT |
| 749 |
U.S.A. [member] |
Member |
|
|
country:US |
| 750 |
Uruguay [member] |
Member |
|
|
country:UY |
| 751 |
Nicaragua [member] |
Member |
|
|
country:NI |
| 752 |
Honduras [member] |
Member |
|
|
country:HN |
| 753 |
Chile [member] |
Member |
|
|
country:CL |
| 754 |
Paraguay [member] |
Member |
|
|
country:PY |
| 755 |
Peru [member] |
Member |
|
|
country:PE |
| 756 |
Dominican Republic [member] |
Member |
|
|
country:DO |
| 757 |
Costa Rica [member] |
Member |
|
|
country:CR |
| 758 |
European Union [member] |
Member |
|
|
amx:EuropeanUnionMember |
| 759 |
Bulgaria [member] |
Member |
|
|
country:BG |
| 760 |
Belarus [member] |
Member |
|
|
country:BY |
| 761 |
Croatia [member] |
Member |
|
|
country:HR |
| 762 |
Macedonia [member] |
Member |
|
|
country:MK |
| 763 |
Serbia [member] |
Member |
|
|
country:RS |
| 764 |
Disclosure of transactions in foreign currency [line items] |
LineItems |
|
|
amx:DisclosureOfTransactionsInForeignCurrencyLineItems |
| 765 |
Average exchange rate |
Concept (Decimal) |
For Period |
|
ifrs-full:AverageForeignExchangeRate |
| 766 |
Closing exchange rate |
Concept (Decimal) |
As Of |
|
ifrs-full:ClosingForeignExchangeRate |
| 767 |
1065 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Summary of Retrospective Reclassification of Financial Statements (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBasisOfPreparationOfTheConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesSummaryOfRetrospectiveReclassificationOfFinancialStatement_Xg |
| 768 |
Disclosure of retrospective adjustments of financial statements [table] |
Table |
* |
* |
amx:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsTable |
| 769 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 770 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 771 |
Previous IFRS [member] |
Member |
|
|
ifrs-full:PreviouslyStatedMember |
| 772 |
Retrospective reclassification [member] |
Member |
|
|
ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember |
| 773 |
Disclosure of retrospective adjustments of financial statements [Line items] |
LineItems |
|
|
amx:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsLineItems |
| 774 |
Operating revenues: |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 775 |
Mobile voice services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfMobileTelephoneServices |
| 776 |
Fixed voice services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfLandLineTelephoneServices |
| 777 |
Mobile data services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfDataServices |
| 778 |
Fixed data services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfInternetServices |
| 779 |
Pay television |
Concept (Monetary) |
For Period |
Credit |
amx:PaidTelevision |
| 780 |
Other related services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherRevenue |
| 781 |
Revenues services |
Concept (Monetary) |
For Period |
Credit |
amx:RevenueFromOtherServices |
| 782 |
Revenue from rendering of service |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServices |
| 783 |
1066 - Disclosure - Equity Investments at Fair Value Through OCI and Other Short-term Investments - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEquityInvestmentsAtFairValueThroughOCIAndOtherShorttermInvestmentsAdditionalInformation |
| 784 |
Disclosure of Equity investments at fair value through Other Comprehensive Income and other short-term investments [table] |
Table |
* |
* |
amx:DisclosureOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestmentsTable |
| 785 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 786 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 787 |
Equity and other short term investments [member] |
Member |
|
|
amx:EquityAndOtherShortTermInvestmentsMember |
| 788 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 789 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 790 |
Investments accounted for using equity method Koninklijke KPN [member] |
Member |
|
|
amx:InvestmentsAccountedForUsingEquityMethodInKoninklijkeKPNMember |
| 791 |
Disclosure of equity investments at fair value through other comprehensive income and other short-term investments [line items] |
LineItems |
|
|
amx:DisclosureOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestmentsLineItems |
| 792 |
Equity investments at fair value through OCI |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome |
| 793 |
Other short-term investments |
Concept (Monetary) |
As Of |
Credit |
amx:OtherShortTermInvestments2 |
| 794 |
Changes in fair value of investment |
Concept (Monetary) |
For Period |
|
ifrs-full:GainsLossesOnFairValueAdjustmentInvestmentProperty |
| 795 |
Dividends received |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromDividends |
| 796 |
1067 - Disclosure - Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Analysis of Accounts Receivable by Component (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableFromSubscribersDistributorsRecoverableTaxesContractualAssetsAndOtherNetSummaryOfAnalysisOfAccountsReceivableByComponent |
| 797 |
Disclosure of Accounts receivable [table] |
Table |
* |
* |
amx:DisclosureOfAccountsReceivableTable |
| 798 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 799 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 800 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 801 |
Classes of acquired receivables [axis] |
Axis |
|
|
ifrs-full:ClassesOfAcquiredReceivablesAxis |
| 802 |
Classes of acquired receivables [member] |
Member |
|
|
ifrs-full:ClassesOfAcquiredReceivablesMember |
| 803 |
Receivable from subscribers and distributors [member] |
Member |
|
|
amx:ReceivableFromSubscribersAndDistributorsMember |
| 804 |
Telecommunications carriers for network interconnection and other services [member] |
Member |
|
|
amx:TelecommunicationsCarriersForNetworkInterconnectionAndOtherServicesMember |
| 805 |
Recoverable taxes [member] |
Member |
|
|
amx:RecoverableTaxesMember |
| 806 |
Sundry debtors [member] |
Member |
|
|
amx:SundryDebtorsMember |
| 807 |
Disclosure of accounts receivable [line items] |
LineItems |
|
|
amx:DisclosureOfAccountsReceivableLineItems |
| 808 |
Contractual assets |
Concept (Monetary) |
As Of |
Debit |
amx:CurrentContractualAssets |
| 809 |
Impairment of trade receivables |
Concept (Monetary) |
As Of |
Credit |
amx:AllowanceForDoubtfulAccounts |
| 810 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 811 |
Non-current subscribers, distributors and contractual assets |
Concept (Monetary) |
As Of |
Debit |
amx:AccountsReceivableSubscribersDistributorsAndContractualAssetsNonCurrent |
| 812 |
Total current subscribers, distributors and contractual assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
| 813 |
1068 - Disclosure - Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Analysis of Accounts Receivable by Component (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableFromSubscribersDistributorsRecoverableTaxesContractualAssetsAndOtherNetSummaryOfAnalysisOfAccountsReceivableByComponentParenthetical |
| 814 |
Disclosure of Accounts receivable [table] |
Table |
* |
* |
amx:DisclosureOfAccountsReceivableTable |
| 815 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 816 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 817 |
PIS and COFINS [member] |
Member |
|
|
amx:PisAndCofinsMember |
| 818 |
Disclosure of accounts receivable [line items] |
LineItems |
|
|
amx:DisclosureOfAccountsReceivableLineItems |
| 819 |
Tax on the Circulation of Goods and the Provision |
Concept (Monetary) |
For Period |
Credit |
amx:TotalTaxContributionToFinancialServices |
| 820 |
Amount of interest income |
Concept (Monetary) |
For Period |
Credit |
amx:InterestAndRelatedIncome |
| 821 |
1069 - Disclosure - Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Schedule of Changes in Allowance for Expected Credit Losses (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableFromSubscribersDistributorsRecoverableTaxesContractualAssetsAndOtherNetScheduleOfChangesInAllowanceForExpectedCreditLosses |
| 822 |
Implied Table |
Table |
* |
* |
implied:Table |
| 823 |
Subclassifications of assets, liabilities and equities [abstract] |
Abstract |
|
|
ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract |
| 824 |
Balance at beginning of year |
Concept (Monetary) |
As Of |
Credit |
amx:AllowanceForBadDebts |
| 825 |
Increases recorded in expenses |
Concept (Monetary) |
For Period |
Credit |
amx:IncreasesRecordedInExpenses |
| 826 |
Adjustment on initial application of IFRS 9 |
Concept (Monetary) |
For Period |
Credit |
amx:AdjustmentOnInitialApplicationOfIFRS9 |
| 827 |
Write-offs |
Concept (Monetary) |
For Period |
Debit |
amx:WriteOffBadDebts |
| 828 |
Translation effect |
Concept (Monetary) |
For Period |
Credit |
amx:TranslationEffectOnBadDebts |
| 829 |
Balance at end of year |
Concept (Monetary) |
As Of |
Credit |
amx:AllowanceForBadDebts |
| 830 |
1070 - Disclosure - Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Aging of Accounts Receivable (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableFromSubscribersDistributorsRecoverableTaxesContractualAssetsAndOtherNetSummaryOfAgingOfAccountsReceivable |
| 831 |
Disclosure of Accounts receivable [table] |
Table |
* |
* |
amx:DisclosureOfAccountsReceivableTable |
| 832 |
Products and services [axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
| 833 |
Products and services [member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
| 834 |
Unbilled services provided [member] |
Member |
|
|
amx:UnbilledServicesProvidedMember |
| 835 |
Classes of acquired receivables [axis] |
Axis |
|
|
ifrs-full:ClassesOfAcquiredReceivablesAxis |
| 836 |
Classes of acquired receivables [member] |
Member |
|
|
ifrs-full:ClassesOfAcquiredReceivablesMember |
| 837 |
Receivable from subscribers and distributors [member] |
Member |
|
|
amx:ReceivableFromSubscribersAndDistributorsMember |
| 838 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 839 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 840 |
1 - 30 days [member] |
Member |
|
|
amx:LaterThanOneDayAndNotLaterThanThirtyDaysMember |
| 841 |
31 - 60 days [member] |
Member |
|
|
amx:LaterThanThirtyOneDaysAndNotLaterThanSixtyDaysMember |
| 842 |
61 - 90 days [member] |
Member |
|
|
amx:LaterThanSixtyOneDaysAndNotLaterThanNinetyDaysMember |
| 843 |
Greater than 90 days [member] |
Member |
|
|
amx:LaterThanNinetyDaysMember |
| 844 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 845 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 846 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 847 |
Disclosure of accounts receivable [line items] |
LineItems |
|
|
amx:DisclosureOfAccountsReceivableLineItems |
| 848 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 849 |
1071 - Disclosure - Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Accounts Receivable From Subscribers and Distributors Included in Impairments of Trade Receivables (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableFromSubscribersDistributorsRecoverableTaxesContractualAssetsAndOtherNetSummaryOfAccountsReceivableFromSubscribersAndDistributorsIncludedInImpairmen_Xa |
| 850 |
Disclosure of Accounts receivable [table] |
Table |
* |
* |
amx:DisclosureOfAccountsReceivableTable |
| 851 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 852 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 853 |
1 - 90 days [member] |
Member |
|
|
amx:LaterThanOneDayAndNotLaterThanNinetyDaysMember |
| 854 |
Greater than 90 days [member] |
Member |
|
|
amx:LaterThanNinetyDaysMember |
| 855 |
Classes of acquired receivables [axis] |
Axis |
|
|
ifrs-full:ClassesOfAcquiredReceivablesAxis |
| 856 |
Classes of acquired receivables [member] |
Member |
|
|
ifrs-full:ClassesOfAcquiredReceivablesMember |
| 857 |
Receivable from subscribers and distributors [member] |
Member |
|
|
amx:ReceivableFromSubscribersAndDistributorsMember |
| 858 |
Disclosure of accounts receivable [line items] |
LineItems |
|
|
amx:DisclosureOfAccountsReceivableLineItems |
| 859 |
Allowance for bad debts |
Concept (Monetary) |
For Period |
Debit |
amx:ImpairmentAllowancesForTradeReceivables |
| 860 |
1072 - Disclosure - Accounts Receivable from Subscribers, Distributors, Recoverable Taxes Contractual Assets and Other, Net - Summary of Analysis of Contract Assets and Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsReceivableFromSubscribersDistributorsRecoverableTaxesContractualAssetsAndOtherNetSummaryOfAnalysisOfContractAssetsAndLiabilities |
| 861 |
Implied Table |
Table |
* |
* |
implied:Table |
| 862 |
Subclassifications of assets, liabilities and equities [abstract] |
Abstract |
|
|
ifrs-full:SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract |
| 863 |
Contract Assets: |
Abstract |
|
|
ifrs-full:ContractAssetsAbstract |
| 864 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ContractAssets |
| 865 |
Additions |
Concept (Monetary) |
For Period |
Debit |
amx:IncreaseInContractAssets |
| 866 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
amx:DeductionsInContractAssets |
| 867 |
Translation effect |
Concept (Monetary) |
As Of |
Debit |
amx:TranslationEffects |
| 868 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ContractAssets |
| 869 |
Non-current contract assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentContractAssets |
| 870 |
Current portion contracts assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentContractAssets |
| 871 |
1073 - Disclosure - Related Parties - Summary of Analysis of the Balances with Related Parties (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfAnalysisOfTheBalancesWithRelatedParties |
| 872 |
Disclosure of receivables and payables arising from related party transactions [table] |
Table |
* |
* |
amx:DisclosureOfReceivablesAndPayablesArisingFromRelatedPartyTransactionsTable |
| 873 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 874 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 875 |
Sears Roebuck de Mexico, SA de CV [member] |
Member |
|
|
amx:SearsRoebuckDeMexicoSADeCVMember |
| 876 |
Sanborns Hermanos, SA [member] |
Member |
|
|
amx:SanbornsHermanosSAMember |
| 877 |
Grupo Condumex, SA de CV and Subsidiaries [member] |
Member |
|
|
amx:GrupoCondumexSADeCVAndSubsidiariesMember |
| 878 |
Carso Infraestructura y Construccion, SA de CV and Subsidiaries [member] |
Member |
|
|
amx:CarsoInfraestructuraYConstruccionSADeCVAndSubsidiariesMember |
| 879 |
Enesa, SA de CV and Subsidiaries [member] |
Member |
|
|
amx:EnesaSADeCVAndSubsidiariesMember |
| 880 |
Grupo Financiero Inbursa, SAB de CV [member] |
Member |
|
|
amx:GrupoFinancieroInbursaSABDeCVMember |
| 881 |
Operadora de Sites Mexicanos, SA de CV [member] |
Member |
|
|
amx:OperadoraDeSitesMexicanosSADeCVMember |
| 882 |
Patrimonial Inbursa, SA [member] |
Member |
|
|
amx:PatrimonialInbursaSAMember |
| 883 |
Other related parties [member] |
Member |
|
|
ifrs-full:OtherRelatedPartiesMember |
| 884 |
Fianzas Guardiana Inbursa, SA de CV [member] |
Member |
|
|
amx:FianzasGuardianaInbursaSADeCVMember |
| 885 |
PC Industrial, SA de CV and Subsidiaries [member] |
Member |
|
|
amx:PCIndustrialSADeCVAndSubsidiariesMember |
| 886 |
Disclosure of receivables and payables arising from related party transactions [line items] |
LineItems |
|
|
amx:DisclosureOfReceivablesAndPayablesArisingFromRelatedPartyTransactionsLineItems |
| 887 |
Amounts receivable from related party transactions |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AmountsReceivableRelatedPartyTransactions |
| 888 |
Amounts payable to related party transactions |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AmountsPayableRelatedPartyTransactions |
| 889 |
1074 - Disclosure - Related Parties - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesAdditionalInformation |
| 890 |
Disclosure of transactions between related parties [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
| 891 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 892 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 893 |
Members of the audit and corporate practices committee [member] |
Member |
|
|
amx:MembersOfTheAuditAndCorporatePracticesCommitteeMember |
| 894 |
Directors and other key management personnel [member] |
Member |
|
|
amx:DirectorsAndOtherKeyManagementPersonnelMember |
| 895 |
Disclosure of transactions between related parties [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
| 896 |
Impairment of receivables in connection with amounts owed by related parties |
Concept (Monetary) |
As Of |
Credit |
amx:LossAllowanceForReceivables |
| 897 |
compensation paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensation |
| 898 |
1075 - Disclosure - Related Parties - Summary of Transactions with Related Parties (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfTransactionsWithRelatedParties |
| 899 |
Implied Table |
Table |
* |
* |
implied:Table |
| 900 |
Disclosure of transactions between related parties [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract |
| 901 |
Construction services, purchases of materials, inventories and property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
amx:ConstructionServicesPurchasesOfMaterialsInventoriesAndPropertyPlantAndEquipmentRelatedPartyTransactions |
| 902 |
Rent of towers |
Concept (Monetary) |
For Period |
Debit |
amx:RentOfTowersRelatedPartyTransactions |
| 903 |
Insurance premiums, fees paid for administrative and operating services, brokerage services and others |
Concept (Monetary) |
For Period |
Debit |
amx:InsurancePremiumsFeesPaidForAdministrativeAndOperatingServicesBrokerageServicesAndOthersRelatedPartyTransactions |
| 904 |
Other services |
Concept (Monetary) |
For Period |
Debit |
amx:OtherServicesRelatedPartyTransactions |
| 905 |
Investments and expenses |
Concept (Monetary) |
For Period |
Debit |
amx:InvestmentsAndExpensesOfRelatedPartyTransactions |
| 906 |
Revenues services |
Concept (Monetary) |
For Period |
Credit |
amx:RevenueFromServicesRelatedPartyTransactions |
| 907 |
Sales of equipment |
Concept (Monetary) |
For Period |
Credit |
amx:SaleOfEquipmentOfRelatedPartyTransactions |
| 908 |
Revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions |
| 909 |
1076 - Disclosure - Related Parties - Summary of Transactions with Related Parties (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRelatedPartiesSummaryOfTransactionsWithRelatedPartiesParenthetical |
| 910 |
Disclosure of transactions between related parties [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
| 911 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 912 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 913 |
Grupo Carso, SAB de CV [member] |
Member |
|
|
amx:GrupoCarsoSABDeCVMember |
| 914 |
Associates [member] |
Member |
|
|
ifrs-full:AssociatesMember |
| 915 |
Seguros Inbursa SA and Fianzas Guardiana Inbursa, SA [member] |
Member |
|
|
amx:SegurosInbursaSAAndFianzasGuardianaInbursaSAMember |
| 916 |
Disclosure of transactions between related parties [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
| 917 |
Materials purchased from subsidiaries |
Concept (Monetary) |
For Period |
Debit |
amx:NetworkConstructionServicesAndConstructionMaterials |
| 918 |
Network maintenance service cost |
Concept (Monetary) |
For Period |
Debit |
amx:NetworkMaintenanceServiceCost |
| 919 |
Software service expense |
Concept (Monetary) |
For Period |
Debit |
amx:SoftwareServiceExpense |
| 920 |
Insurance premium |
Concept (Monetary) |
For Period |
Debit |
amx:InsurancePremium |
| 921 |
1077 - Disclosure - Derivative Financial Instruments - Additional Information (Details) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetails |
| 922 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 923 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 924 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 925 |
Derivatives [member] |
Member |
|
|
ifrs-full:DerivativesMember |
| 926 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 927 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 928 |
Debt securities [member] |
Member |
|
|
ifrs-full:DebtSecuritiesMember |
| 929 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 930 |
weighted-average interest rate |
Concept (Percent) |
As Of |
|
amx:WeightedAverageInterestRate |
| 931 |
changes in fair value of derivative financial instruments gain (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForGainsLossesOnChangeInFairValueOfDerivatives |
| 932 |
1078 - Disclosure - Derivative Financial Instruments - Schedule of Derivative Financial Instruments Contracted (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDerivativeFinancialInstrumentsScheduleOfDerivativeFinancialInstrumentsContracted |
| 933 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 934 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 935 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 936 |
Swaps US Dollar-Mexican peso [member] |
Member |
|
|
amx:SwapsUSDollarMexicanPesoMember |
| 937 |
Swaps Yen-US Dollar [member] |
Member |
|
|
amx:SwapsYenUSDollarMember |
| 938 |
Forwards US Dollar-Mexican peso [member] |
Member |
|
|
amx:ForwardsUSDollarMexicanPesoMember |
| 939 |
Forwards US Dollar - Brazilian real [member] |
Member |
|
|
amx:ForwardsUSDollarBrazilianRealMember |
| 940 |
Swaps Swiss Franc-US Dollar [member] |
Member |
|
|
amx:SwapsCHFUSDollarMember |
| 941 |
Swaps Euro-Brazilianreal [member] |
Member |
|
|
amx:SwapsEuroBRLMember |
| 942 |
Interest rate swaps in Mexican peso [member] |
Member |
|
|
amx:InterestRateSwapsInMexicanPesoMember |
| 943 |
Forwards Brazilian Real - US Dollar [member] |
Member |
|
|
amx:ForwardsBrazilianRealUSDollarMember |
| 944 |
Forwards Euro- Brazilian real [member] |
Member |
|
|
amx:ForwardsEuroBrazilianRealMember |
| 945 |
Forwards US Dollar - Swiss franc [member] |
Member |
|
|
amx:ForwardsUSDollarCHFMember |
| 946 |
Forwards Euro-US Dollar [member] |
Member |
|
|
amx:ForwardsEuroUSDollarMember |
| 947 |
Swaps Dollar- Euro [member] |
Member |
|
|
amx:SwapsDollarEuroMember |
| 948 |
Swaps Pound sterling-Euro [member] |
Member |
|
|
amx:SwapsGBPEuroMember |
| 949 |
Swap Pound sterling-USDollar [member] |
Member |
|
|
amx:SwapGBPDollarMember |
| 950 |
Call spread option [member] |
Member |
|
|
amx:CallSpreadOptionMember |
| 951 |
Put option [member] |
Member |
|
|
amx:PutOption1Member |
| 952 |
Call spread option [member] |
Member |
|
|
amx:CallSpreadOptionOneMember |
| 953 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 954 |
Notional amount, Asset |
Concept (Monetary) |
As Of |
Debit |
amx:DerivativeAssetsNotionalAmount |
| 955 |
Fair value, Asset |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DerivativeFinancialAssets |
| 956 |
Notional amount, Liabilities |
Concept (Monetary) |
As Of |
Credit |
amx:DerivativeLiabilitiesNotionalAmount |
| 957 |
Fair value, Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DerivativeFinancialLiabilities |
| 958 |
Non-current liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentDerivativeFinancialLiabilities |
| 959 |
Total current liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDerivativeFinancialLiabilities |
| 960 |
1079 - Disclosure - Derivative Financial Instruments - Summary of Maturities of Notional Amount of Derivatives (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDerivativeFinancialInstrumentsSummaryOfMaturitiesOfNotionalAmountOfDerivatives |
| 961 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 962 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 963 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 964 |
2019 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 965 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 966 |
2021 [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 967 |
2022 [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 968 |
2023 and Thereafter [member] |
Member |
|
|
amx:LaterThanFiveYearsAndThereafterMember |
| 969 |
Classes of financial instruments [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 970 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 971 |
Swaps US Dollar-Mexican peso [member] |
Member |
|
|
amx:SwapsUSDollarMexicanPesoMember |
| 972 |
Swaps Yen-US Dollar [member] |
Member |
|
|
amx:SwapsYenUSDollarMember |
| 973 |
Swaps Euro-Brazilianreal [member] |
Member |
|
|
amx:SwapsEuroBRLMember |
| 974 |
Forwards Brazilian Real - US Dollar [member] |
Member |
|
|
amx:ForwardsBrazilianRealUSDollarMember |
| 975 |
Forwards Euro- Brazilian real [member] |
Member |
|
|
amx:ForwardsEuroBrazilianRealMember |
| 976 |
Forwards US Dollar - Brazilian real [member] |
Member |
|
|
amx:ForwardsUSDollarBrazilianRealMember |
| 977 |
Forwards Euro-US Dollar [member] |
Member |
|
|
amx:ForwardsEuroUSDollarMember |
| 978 |
Swaps Dollar- Euro [member] |
Member |
|
|
amx:SwapsDollarEuroMember |
| 979 |
Swaps Pound sterling-Euro [member] |
Member |
|
|
amx:SwapsGBPEuroMember |
| 980 |
Swap Pound sterling-USDollar [member] |
Member |
|
|
amx:SwapGBPDollarMember |
| 981 |
Forwards US Dollar-Mexican peso [member] |
Member |
|
|
amx:ForwardsUSDollarMexicanPesoMember |
| 982 |
Put option [member] |
Member |
|
|
amx:PutOption1Member |
| 983 |
Call spread option [member] |
Member |
|
|
amx:CallSpreadOptionOneMember |
| 984 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 985 |
Notional amount, Asset |
Concept (Monetary) |
As Of |
Debit |
amx:DerivativeAssetsNotionalAmount |
| 986 |
Notional amount, Liabilities |
Concept (Monetary) |
As Of |
Credit |
amx:DerivativeLiabilitiesNotionalAmount |
| 987 |
1080 - Disclosure - Inventories, Net - Summary of Analysis of Inventories (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesNetSummaryOfAnalysisOfInventories |
| 988 |
Implied Table |
Table |
* |
* |
implied:Table |
| 989 |
Classes of current inventories [abstract] |
Abstract |
|
|
ifrs-full:ClassesOfInventoriesAbstract |
| 990 |
Mobile phones, accessories, computers, TVs, cards and other materials |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Merchandise |
| 991 |
Less: Reserve for obsolete and slow-moving inventories |
Concept (Monetary) |
As Of |
Credit |
amx:ReserveForObsoleteAndSlowmovingInventories |
| 992 |
Total |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 993 |
1081 - Disclosure - Inventories, net - Additional Information (Details) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureInventoriesNetAdditionalInformationDetails |
| 994 |
Implied Table |
Table |
* |
* |
implied:Table |
| 995 |
Disclosure of inventories [abstract] |
Abstract |
|
|
amx:DisclosureOfInventoriesAbstract |
| 996 |
Cost of inventories recognized in cost of sales |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod |
| 997 |
1082 - Disclosure - Other Assets, Net - Summary of Analysis of Other Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherAssetsNetSummaryOfAnalysisOfOtherAssets |
| 998 |
Implied Table |
Table |
* |
* |
implied:Table |
| 999 |
Disclosure of other assets [abstract] |
Abstract |
|
|
amx:DisclosureOfOtherAssetsAbstract |
| 1000 |
Current portion: |
Abstract |
|
|
ifrs-full:MiscellaneousCurrentAssetsAbstract |
| 1001 |
Advances to suppliers (different from PP&E and inventories) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAdvancesToSuppliers |
| 1002 |
Prepaid insurance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentPrepaidExpenses |
| 1003 |
Costs of mobile equipment and computers associated with deferred revenues |
Concept (Monetary) |
As Of |
Debit |
amx:CurrentPortionOfCostsOfMobileEquipmentAndComputersAssociatedWithDeferredRevenues |
| 1004 |
Other |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentPrepaymentsAndOtherCurrentAssets |
| 1005 |
Other current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentAssets |
| 1006 |
Non-current portion: |
Abstract |
|
|
ifrs-full:MiscellaneousNoncurrentAssetsAbstract |
| 1007 |
Recoverable taxes |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentReceivablesFromTaxesOtherThanIncomeTax |
| 1008 |
Prepayments for the use of fiber optics |
Concept (Monetary) |
As Of |
Debit |
amx:NoncurrentPortionOfPrepaymentsForUseOfFiberOptics |
| 1009 |
Prepaid expenses and judicial deposits |
Concept (Monetary) |
As Of |
Debit |
amx:NoncurrentPortionOfPrepaidExpensesAndJudicialDeposits |
| 1010 |
Total |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentAssets |
| 1011 |
1083 - Disclosure - Other assets, net - Additional Information (Details) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherAssetsNetAdditionalInformationDetails |
| 1012 |
Disclosure of other assets [Table] |
Table |
* |
* |
amx:DisclosureOfOtherAssetsTable |
| 1013 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 1014 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 1015 |
Other assets [member] |
Member |
|
|
ifrs-full:OtherAssetsMember |
| 1016 |
Disclosure of other assets [line items] |
LineItems |
|
|
amx:DisclosureOfOtherAssetsLineItems |
| 1017 |
Amortization expense for other assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AmortisationExpense |
| 1018 |
1084 - Disclosure - Other Assets, Net - Summary of Analysis of Other Assets (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherAssetsNetSummaryOfAnalysisOfOtherAssetsParenthetical |
| 1019 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1020 |
Disclosure of other assets [abstract] |
Abstract |
|
|
amx:DisclosureOfOtherAssetsAbstract |
| 1021 |
Judicial deposits |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentNoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral |
| 1022 |
1085 - Disclosure - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetScheduleOfPropertyPlantAndEquipmentNet |
| 1023 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1024 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1025 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1026 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1027 |
Accumulated depreciation [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 1028 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1029 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1030 |
Network in operation in operation and equipment [member] |
Member |
|
|
amx:NetworkInOperationAndEquipmentMember |
| 1031 |
Land and buildings [member] |
Member |
|
|
ifrs-full:LandAndBuildingsMember |
| 1032 |
Other assets [member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 1033 |
Construction in process and advances plant suppliers [member] |
Member |
|
|
amx:ConstructionInProcessAndAdvancesPlantSuppliersMember |
| 1034 |
Spare parts for operation of the network [member] |
Member |
|
|
amx:SparePartsForOperationOfNetworkMember |
| 1035 |
Buildings [member] |
Member |
|
|
ifrs-full:BuildingsMember |
| 1036 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1037 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1038 |
Additions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 1039 |
Retirements |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RetirementsPropertyPlantAndEquipment |
| 1040 |
Business combinations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment |
| 1041 |
Effect of translation of foreign subsidiaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment |
| 1042 |
Depreciation of the year |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
| 1043 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1044 |
1086 - Disclosure - Property, Plant and Equipment, net - Additional Information (Details) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetAdditionalInformationDetails |
| 1045 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1046 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 1047 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 1048 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1049 |
Star One D2 satellite [member] |
Member |
|
|
amx:StarOneD2SatelliteMember |
| 1050 |
Land and buildings and other equipment [member] |
Member |
|
|
amx:LandAndBuildingsAndOtherEquipmentMember |
| 1051 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1052 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1053 |
Claro Brasil [member] |
Member |
|
|
amx:ClaroBrasilMember |
| 1054 |
Star one [member] |
Member |
|
|
amx:StarOneMember |
| 1055 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 1056 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 1057 |
Space Systems Loral [member] |
Member |
|
|
amx:SpaceSystemsLoralMember |
| 1058 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1059 |
Methods used to determine stage of completion of construction in progress |
Concept (Text/String) |
For Period |
|
amx:MethodUsedToDetermineStageOfCompletionOfConstructionInProgress |
| 1060 |
Property, plant and equipment, pledged in guarantee of legal proceedings |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity |
| 1061 |
Estimated useful life of property, plant and equipment decription |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment |
| 1062 |
Capitalized interest amortization period |
Concept (Decimal) |
For Period |
|
amx:CapitalizedInterestAmortizationPeriod |
| 1063 |
Estimated useful life of property, plant and equipment |
Concept (Decimal) |
For Period |
|
amx:EstimatedUsefulLifeOfPropertyPlantAndEquipment |
| 1064 |
Number of transponders |
Concept (Integer) |
For Period |
|
amx:NumberOfTransponders |
| 1065 |
Network Capacity |
Concept (Decimal) |
For Period |
|
amx:NetworkCapacity |
| 1066 |
Property, plant and equipment, investment capitalized |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ConstructionInProgress |
| 1067 |
Estimated cost of project |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment |
| 1068 |
1087 - Disclosure - Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net Under Capital Leases (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetScheduleOfPropertyPlantAndEquipmentNetUnderCapitalLeases |
| 1069 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1070 |
Classes of property, plant and equipment [axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 1071 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1072 |
Property, plant and equipment under capital leases [member] |
Member |
|
|
amx:PropertyPlantAndEquipmentUnderCapitalLeasesMember |
| 1073 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1074 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1075 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1076 |
Accumulated depreciation [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 1077 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1078 |
Property, plant and equipment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 1079 |
1088 - Disclosure - Property, Plant and Equipment, Net - Schedule of Relevant Information Related to Computation of Capitalized Borrowing Costs (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosurePropertyPlantAndEquipmentNetScheduleOfRelevantInformationRelatedToComputationOfCapitalizedBorrowingCosts |
| 1080 |
Disclosure of detailed information about property, plant and equipment [table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 1081 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 1082 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 1083 |
Property, plant and equipment [member] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 1084 |
Disclosure of detailed information about property, plant and equipment [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 1085 |
Amount invested in the acquisition of qualifying assets |
Concept (Monetary) |
For Period |
Credit |
amx:AmountInvestedInAcquisitionOfQualifyingAssets |
| 1086 |
Capitalized interest |
Concept (Monetary) |
For Period |
|
ifrs-full:InterestCostsCapitalised |
| 1087 |
Capitalization rate |
Concept (Percent) |
For Period |
|
ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation |
| 1088 |
1089 - Disclosure - Intangible Assets, Net and Goodwill - Summary of Analysis of Intangible Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsNetAndGoodwillSummaryOfAnalysisOfIntangibleAssets |
| 1089 |
Disclosure of reconciliation of changes in intangible assets and goodwill [table] |
Table |
* |
* |
ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable |
| 1090 |
Classes of intangible assets and goodwill [axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis |
| 1091 |
Intangible assets and goodwill [member] |
Member |
|
|
ifrs-full:IntangibleAssetsAndGoodwillMember |
| 1092 |
Licenses and rights of use [member] |
Member |
|
|
ifrs-full:LicencesAndFranchisesMember |
| 1093 |
Trademarks [member] |
Member |
|
|
ifrs-full:BrandNamesMember |
| 1094 |
Customer relationships [member] |
Member |
|
|
ifrs-full:CustomerrelatedIntangibleAssetsMember |
| 1095 |
Software licenses [member] |
Member |
|
|
amx:ComputerSoftwareLicensesMember |
| 1096 |
Content rights [member] |
Member |
|
|
amx:ContentRightsMember |
| 1097 |
Intangibles, net [member] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 1098 |
Goodwill [member] |
Member |
|
|
ifrs-full:GoodwillMember |
| 1099 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1100 |
Carrying amount [member] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1101 |
Cost [member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1102 |
Accumulated depreciation [member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 1103 |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems |
| 1104 |
Balance at beginning of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsAndGoodwill |
| 1105 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 1106 |
Acquisitions in business combinations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill |
| 1107 |
Disposals and other |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsAndRetirementsIntangibleAssetsAndGoodwill |
| 1108 |
Amortization of the year |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 1109 |
Effect of translation of foreign subsidiaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill |
| 1110 |
Balance at end of year |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsAndGoodwill |
| 1111 |
1090 - Disclosure - Intangible Assets, Net and Goodwill - Summary of Aggregate Carrying Amount of Goodwill (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsNetAndGoodwillSummaryOfAggregateCarryingAmountOfGoodwill |
| 1112 |
Disclosure of Carrying Value of Goodwill [table] |
Table |
* |
* |
amx:DisclosureOfCarryingValueOfGoodwillTable |
| 1113 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1114 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1115 |
Europe [member] |
Member |
|
|
srt:EuropeMember |
| 1116 |
Brazil [member] |
Member |
|
|
country:BR |
| 1117 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 1118 |
Dominican Republic [member] |
Member |
|
|
country:DO |
| 1119 |
Mexico [member] |
Member |
|
|
country:MX |
| 1120 |
Ecuador [member] |
Member |
|
|
country:EC |
| 1121 |
Peru [member] |
Member |
|
|
country:PE |
| 1122 |
El Salvador [member] |
Member |
|
|
country:SV |
| 1123 |
Chile [member] |
Member |
|
|
country:CL |
| 1124 |
Colombia [member] |
Member |
|
|
country:CO |
| 1125 |
Other countries [member] |
Member |
|
|
amx:OtherCountriesMember |
| 1126 |
Disclosure of carrying value of goodwill [line items] |
LineItems |
|
|
amx:DisclosureOfCarryingValueOfGoodwillLineItems |
| 1127 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 1128 |
1091 - Disclosure - Intangible Assets, Net and Goodwill - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsNetAndGoodwillAdditionalInformation |
| 1129 |
Disclosure of intangible assets and goodwill [table] |
Table |
* |
* |
amx:DisclosureOfIntangibleAssetsAndGoodwillTable |
| 1130 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1131 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1132 |
Ecuador [member] |
Member |
|
|
country:EC |
| 1133 |
Chile Europe uruguay and other countries [member] |
Member |
|
|
amx:ChileEuropeUruguayAndOtherCountriesMember |
| 1134 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1135 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1136 |
Paraguay subsidiary [member] |
Member |
|
|
amx:ParaguaySubsidiaryMember |
| 1137 |
Radiomovil Dipsa S A de C V (Telcel) [member] |
Member |
|
|
amx:RadiomovilDipsaSADeCVAndSubsidiariesTelcelBMember |
| 1138 |
Mtel Bulgaria [member] |
Member |
|
|
amx:MtelBulgariaMember |
| 1139 |
Ecuador Telecom, S.A. [member] |
Member |
|
|
amx:EcuadorTelecomSAMember |
| 1140 |
Radiomovil dipsa [member] |
Member |
|
|
amx:RadiomovilDipsaMember |
| 1141 |
Peru subsidiary [member] |
Member |
|
|
amx:PeruSubsidiaryMember |
| 1142 |
Dominican Republic [member] |
Member |
|
|
country:DO |
| 1143 |
Paraguay Puerto Rico Europe Argentina and other countries [member] |
Member |
|
|
amx:ParaguayPuertoRicoEuropeArgentinaAndOtherCountriesMember |
| 1144 |
Products and services [axis] |
Axis |
|
|
ifrs-full:ProductsAndServicesAxis |
| 1145 |
Products and services [member] |
Member |
|
|
ifrs-full:ProductsAndServicesMember |
| 1146 |
30 Mhz spectrum [member] |
Member |
|
|
amx:ThirtyMhzSpectrumMember |
| 1147 |
Eight point four Mega Hertz frequency band [member] |
Member |
|
|
amx:EightPointFourMegaHertzFrequencyBandMember |
| 1148 |
Two point five Giga Hertz frequency band [member] |
Member |
|
|
amx:TwoPointFiveGigaHertzFrequencyBandMember |
| 1149 |
700 MHz frequency band [member] |
Member |
|
|
amx:SevenHundredMegaHertzFrequencyBandMember |
| 1150 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 1151 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 1152 |
Acquired through auction [member] |
Member |
|
|
amx:AcquiredThroughAuctionMember |
| 1153 |
Telekom Austria [member] |
Member |
|
|
amx:TelekomAustriaMember |
| 1154 |
License to operate TV [member] |
Member |
|
|
amx:LicenseToOperateTvMember |
| 1155 |
Renewal of license [member] |
Member |
|
|
amx:RenewalOfLicenseMember |
| 1156 |
Other licenses [member] |
Member |
|
|
amx:OtherLicensesMember |
| 1157 |
Spectrum in public auction [member] |
Member |
|
|
amx:SpectrumInPublicAuctionMember |
| 1158 |
Disclosure of intangible assets and goodwill [line items] |
LineItems |
|
|
amx:DisclosureOfIntangibleAssetsAndGoodwillLineItems |
| 1159 |
Total consideration |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred |
| 1160 |
Amount paid for license |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 1161 |
Frequency band expiration year |
Concept (Text/String) |
For Period |
|
amx:FrequencyBandExpirationYear |
| 1162 |
Estimated useful life of intangible assets |
Concept (xbrli:durationItemType) |
For Period |
|
amx:EstimatedUsefulLivesOfIntangibleAsset |
| 1163 |
Amortization of intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 1164 |
1092 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Additional Information (Details) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestAdditionalInformationDetails |
| 1165 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 1166 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1167 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1168 |
Telekom Austria [member] |
Member |
|
|
amx:TelekomAustriaMember |
| 1169 |
Mexican and Brazil subsidiaries [member] |
Member |
|
|
amx:MexicanAndBrazilSubsidiariesMember |
| 1170 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1171 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1172 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1173 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1174 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 1175 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 1176 |
Tracfone Wireless Inc [member] |
Member |
|
|
amx:TracfoneWirelessIncMember |
| 1177 |
Olo and TVS [member] |
Member |
|
|
amx:OloAndTvsMember |
| 1178 |
Metronet [member] |
Member |
|
|
amx:MetronetMember |
| 1179 |
Other Entities [member] |
Member |
|
|
amx:OtherEntitiesMember |
| 1180 |
Disclosure of detailed information about business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 1181 |
Business acquisitions controlling interest |
Concept (Percent) |
As Of |
|
amx:BusinessAcquisitionPercentageOfOwnershipInterestsAcquired |
| 1182 |
Amount paid for business acquisition |
Concept (Monetary) |
For Period |
Credit |
amx:BusinessAcquisitionCashPaidOnAcquisitionOfBusiness |
| 1183 |
Goodwill amount recognized |
Concept (Monetary) |
As Of |
Debit |
amx:GoodwillAmountRecognized |
| 1184 |
Additional business acquisition |
Concept (Percent) |
As Of |
|
amx:BusinessAcquisitionAdditionalNonControllingInterestpercentage |
| 1185 |
Percentage of capital stock |
Concept (Percent) |
As Of |
|
amx:PercentageOfCapitalStock |
| 1186 |
Amount paid for business acquisition |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate |
| 1187 |
Gain loss on equity transactions |
Concept (Monetary) |
As Of |
Credit |
amx:GainLossOnEquityTransactions |
| 1188 |
Amount paid from Company |
Concept (Monetary) |
For Period |
Credit |
amx:AmountPaidFromCompanyFinancialStatement |
| 1189 |
Percentage of outstanding common stock sold |
Concept (Percent) |
For Period |
|
amx:PercentageOfOutstandingCommonStockSold |
| 1190 |
Percentage of sale reduced overall shareholding |
Concept (Percent) |
For Period |
|
amx:PercentageOfSaleReducedOverallShareholding |
| 1191 |
Percentage of stake reduced |
Concept (Percent) |
For Period |
|
amx:PercentageOfStakeReduced |
| 1192 |
Cash received from sale of outstanding common stock |
Concept (Monetary) |
For Period |
Debit |
amx:CashReceivedFromSaleOfOutstandingCommonStock |
| 1193 |
Name of acquiree |
Concept (Text/String) |
For Period |
|
ifrs-full:NameOfAcquiree |
| 1194 |
Description of acquiree |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfAcquiree |
| 1195 |
Acquisition of fixed line operator |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInSubsidiary |
| 1196 |
Net of cash paid |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CashTransferred |
| 1197 |
Additional non-controlling interest acquired |
Concept (Monetary) |
As Of |
Credit |
amx:IncreaseNoncontrollingInterestInAcquireeRecognisedAtAcquisitionDate |
| 1198 |
1093 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Summary of Selected Financial Data From Statements of Financial Position (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestSummaryOfSelectedFinancialDataFromStatementsOfFinancialPosition |
| 1199 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 1200 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1201 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1202 |
Subsidiaries with material non-controlling interests [member] |
Member |
|
|
ifrs-full:SubsidiariesWithMaterialNoncontrollingInterestsMember |
| 1203 |
Disclosure of detailed information about business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 1204 |
Assets: |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 1205 |
Current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 1206 |
Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 1207 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 1208 |
Liabilities and equity: |
Abstract |
|
|
ifrs-full:EquityAndLiabilitiesAbstract |
| 1209 |
Current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 1210 |
Non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 1211 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 1212 |
Equity attributable to equity holders of the parent |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAttributableToOwnersOfParent |
| 1213 |
Non-controlling interest |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterests |
| 1214 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 1215 |
Total liabilities and equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 1216 |
1094 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Summary of Selected Financial Data From Statements of Financial Position (Parenthetical) (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestSummaryOfSelectedFinancialDataFromStatementsOfFinancialPositionParenthetical |
| 1217 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 1218 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1219 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1220 |
Undated Subordinated Fixed Rate Bond [member] |
Member |
|
|
amx:UndatedSubordinatedFixedRateBondMember |
| 1221 |
Disclosure of detailed information about business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 1222 |
Undated subordinated fixed rate bond |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BondsIssued |
| 1223 |
1095 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Summary of Statements of Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestSummaryOfStatementsOfComprehensiveIncome |
| 1224 |
Disclosure of detailed information about business combination [table] |
Table |
* |
* |
ifrs-full:DisclosureOfBusinessCombinationsTable |
| 1225 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1226 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1227 |
Subsidiaries with material non-controlling interests [member] |
Member |
|
|
ifrs-full:SubsidiariesWithMaterialNoncontrollingInterestsMember |
| 1228 |
Disclosure of detailed information about business combination [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfBusinessCombinationsLineItems |
| 1229 |
Operating revenues |
Concept (Monetary) |
For Period |
Credit |
amx:OperatingRevenue |
| 1230 |
Operating costs and expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 1231 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 1232 |
Net income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 1233 |
Total comprehensive income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 1234 |
Distribution of the net profit (loss) to: |
Abstract |
|
|
ifrs-full:ProfitLossAttributableToAbstract |
| 1235 |
Equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 1236 |
Non-controllinginterest |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 1237 |
Net income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 1238 |
Comprehensive income (loss) for the year attributable to: |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAttributableToAbstract |
| 1239 |
Equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent |
| 1240 |
Non-controllinginterest |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests |
| 1241 |
Total comprehensive income (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 1242 |
1096 - Disclosure - Income Taxes - Summary of Composition of Income Tax Expense (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfCompositionOfIncomeTaxExpense |
| 1243 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 1244 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1245 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1246 |
Mexico [member] |
Member |
|
|
country:MX |
| 1247 |
Foreign [member] |
Member |
|
|
ifrs-full:ForeignCountriesMember |
| 1248 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 1249 |
Current year income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncome |
| 1250 |
Deferred income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncome |
| 1251 |
Income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 1252 |
1097 - Disclosure - Income Taxes - Summary of Deferred Tax Related to Items Recognized in OCI (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfDeferredTaxRelatedToItemsRecognizedInOCI |
| 1253 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1254 |
Major components of tax expense (income) [abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 1255 |
Remeasurement of defined benefit plans |
Concept (Monetary) |
For Period |
Debit |
amx:DeferredTaxRelatingToRemeasurementsOfDefinedBenefitPlansReserveOfOtherComprehensiveIncome |
| 1256 |
Effect of financial instruments acquired for hedging purposes |
Concept (Monetary) |
For Period |
Debit |
amx:DeferredTaxRelatingToEffectOfFinancialInstrumentsAcquiredForHedgingPurposesOnOtherComprehensiveIncome |
| 1257 |
Equity investments at fair value |
Concept (Monetary) |
For Period |
Debit |
amx:DeferredTaxRelatingToEquityInvestmentsAtFairValueOnOtherComprehensiveIncome |
| 1258 |
Other |
Concept (Monetary) |
For Period |
Debit |
amx:DeferredTaxRelatingToOtherComprehensiveIncomeOther |
| 1259 |
Deferred tax benefit (expense) recognized in OCI |
Concept (Monetary) |
For Period |
Debit |
amx:DeferredIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome |
| 1260 |
1098 - Disclosure - Income Taxes - Summary of Reconciliation of Statutory Income Tax Rate in Mexico to Consolidated Effective Income Tax Rate Recognized (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfStatutoryIncomeTaxRateInMexicoToConsolidatedEffectiveIncomeTaxRateRecognized |
| 1261 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 1262 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1263 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1264 |
Mexico [member] |
Member |
|
|
country:MX |
| 1265 |
Brazil [member] |
Member |
|
|
country:BR |
| 1266 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 1267 |
Statutory income tax rate in Mexico |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 1268 |
Impact of non-deductibleand non-taxable items: |
Abstract |
|
|
amx:ReconciliationOfAverageEffectiveTaxRateAbstract |
| 1269 |
Tax inflation effects |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfTaxInflationEffects |
| 1270 |
Derivatives |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfDerivatives |
| 1271 |
Employee benefits |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfEmployeeBenefits |
| 1272 |
Other |
Concept (Percent) |
For Period |
|
ifrs-full:OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome |
| 1273 |
Use of unrecognized tax credits in Brazil |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfUseOfUnrecognizedTaxCredits |
| 1274 |
Equity interest in net loss of associated companies |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfEquityInterestInNetLossOfAssociatedCompanies |
| 1275 |
Dividends received from associates |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfDividendsReceivedFromAssociates |
| 1276 |
Foreign subsidiaries and other non-deductible items, net |
Concept (Percent) |
For Period |
|
amx:TaxRateEffectOfForeignSubsidiariesAndOtherItemsNonDeductibleNet |
| 1277 |
Effective tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:AverageEffectiveTaxRate |
| 1278 |
1099 - Disclosure - Income Taxes - Summary of Analysis of Temporary Differences Giving Rise to Net Deferred Tax Liability (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfAnalysisOfTemporaryDifferencesGivingRiseToNetDeferredTaxLiability |
| 1279 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 1280 |
Temporary difference, unused tax losses and unused tax credits [axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 1281 |
Temporary difference, unused tax losses and unused tax credits [member] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 1282 |
Provisions [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilityRelatingToProvisionsMember |
| 1283 |
Deferred revenues [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesDeferredRevenueMember |
| 1284 |
Tax losses carry forward [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesTaxLossCarryForwardsMember |
| 1285 |
Property, plant and equipment [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesPropertyAndEquipmentMember |
| 1286 |
Inventories [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesInventoriesMember |
| 1287 |
Licenses and rights of use [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesLicensesAndRightsOfUseMember |
| 1288 |
Employee benefits [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesEmployeeBenefitsMember |
| 1289 |
Other [member] |
Member |
|
|
amx:NetDeferredTaxAssetsLiabilitiesOtherMember |
| 1290 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 1291 |
Net deferred tax assets |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 1292 |
Deferred tax expense in net profit for the year |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
| 1293 |
1100 - Disclosure - Income Taxes - Summary of Reconciliation of Deferred Tax Assets and Liabilities, Net (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfDeferredTaxAssetsAndLiabilitiesNet |
| 1294 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1295 |
Reconciliation of changes in deferred tax liability (asset) [abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfChangesInDeferredTaxLiabilityAssetAbstract |
| 1296 |
Deferred Tax (Liability) Asset Beginning Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 1297 |
Deferred tax benefit |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
| 1298 |
Translation effect |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset |
| 1299 |
Deferred tax benefit (expense) recognized in OCI |
Concept (Monetary) |
For Period |
Debit |
amx:DeferredIncomeTaxRelatingToComponentsOfOtherComprehensiveIncome |
| 1300 |
Deferred taxes acquired in business combinations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset |
| 1301 |
Hyperinflationary effect in Argentina |
Concept (Monetary) |
For Period |
Credit |
amx:EffectsOnHyperinflationary |
| 1302 |
Effect of adoption of IFRS 9 (Note 2ai) |
Concept (Monetary) |
For Period |
Credit |
amx:IncomeTaxRelatingToEffectOfIfrs9 |
| 1303 |
Effect of adoption of IFRS 15 (Note 2ai) |
Concept (Monetary) |
For Period |
Credit |
amx:IncomeTaxRelatingToEffectOfIfrs15 |
| 1304 |
Deferred tax (liability) asset ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 1305 |
Presented in the consolidated statements of financial position as follows: |
Abstract |
|
|
ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract |
| 1306 |
Deferred income tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 1307 |
Deferred income tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 1308 |
Deferred tax assets and liabilities, net |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 1309 |
1101 - Disclosure - Income Taxes - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation |
| 1310 |
Disclosure of temporary difference, unused tax losses and unused tax credits [table] |
Table |
* |
* |
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable |
| 1311 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1312 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1313 |
CUCA [member] |
Member |
|
|
amx:CUCAMember |
| 1314 |
CUFIN [member] |
Member |
|
|
amx:CUFINMember |
| 1315 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1316 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1317 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1318 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1319 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1320 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1321 |
Brazil [member] |
Member |
|
|
country:BR |
| 1322 |
Austria [member] |
Member |
|
|
country:AT |
| 1323 |
Mexico [member] |
Member |
|
|
country:MX |
| 1324 |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems |
| 1325 |
Contributed capital account |
Concept (Monetary) |
As Of |
Credit |
amx:ContributedCapitalAccount |
| 1326 |
Statutory income tax rate in Mexico |
Concept (Percent) |
For Period |
|
ifrs-full:ApplicableTaxRate |
| 1327 |
Effective income tax rate for foreign jurisdiction |
Concept (Percent) |
For Period |
|
ifrs-full:TaxRateEffectOfForeignTaxRates |
| 1328 |
Statutory tax rates |
Concept (Percent) |
For Period |
|
amx:StatutoryTaxRatePercentage |
| 1329 |
Net operating loss carryforwards |
Concept (Monetary) |
For Period |
Debit |
amx:NetOperatingLossCarryforwards |
| 1330 |
Effective taxable income percentage carryforward |
Concept (Percent) |
For Period |
|
amx:TaxRateOfEstimatedTaxLossesCarryforward |
| 1331 |
Effective taxable income percentage |
Concept (Percent) |
For Period |
|
amx:EffectiveIncomeTaxRate |
| 1332 |
Corporate tax rate |
Concept (Percent) |
For Period |
|
amx:CorporateIncomeTaxRate |
| 1333 |
operating loss carryforward effective tax rate annual limit |
Concept (Percent) |
For Period |
|
amx:EffectiveIncomeTaxRateMaximumLimit |
| 1334 |
Accumulated tax loss |
Concept (Monetary) |
For Period |
Debit |
amx:AmountOfAccumulatedTaxLoss |
| 1335 |
Percentage of share with voting right |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 1336 |
1102 - Disclosure - Income Taxes - Combined Income Before Taxes and Combined Provision for Taxes (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesCombinedIncomeBeforeTaxesAndCombinedProvisionForTaxes |
| 1337 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1338 |
Major components of tax expense (income) [abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 1339 |
Combined income before taxes |
Concept (Monetary) |
For Period |
Credit |
amx:CombinedIncomeBeforeTaxes |
| 1340 |
Combined tax provision differences not deducible-not cumulative in the foreign subsidiaries |
Concept (Monetary) |
For Period |
Credit |
amx:CombinedTaxProvisionDifferencesNotDeductiblenotCumulativeInTheForeignSubsidiaries |
| 1341 |
1103 - Disclosure - Income Taxes - Available Tax Loss Carryforwards Recorded in Deferred Tax Assets (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesAvailableTaxLossCarryforwardsRecordedInDeferredTaxAssets |
| 1342 |
Disclosure Of Tax Losses Available For Carryforward [table] |
Table |
* |
* |
amx:DisclosureOfTaxLossesAvailableForCarryforwardTable |
| 1343 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1344 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1345 |
Brazil [member] |
Member |
|
|
country:BR |
| 1346 |
Austria [member] |
Member |
|
|
country:AT |
| 1347 |
Mexico [member] |
Member |
|
|
country:MX |
| 1348 |
Colombia [member] |
Member |
|
|
country:CO |
| 1349 |
Nicaragua [member] |
Member |
|
|
country:NI |
| 1350 |
Disclosure of tax losses available for carryforward [line items] |
LineItems |
|
|
amx:DisclosureOfTaxLossesAvailableForCarryforwardLineItems |
| 1351 |
Balance of available tax loss carryforwards at December 31, 2018 |
Concept (Monetary) |
As Of |
Debit |
amx:TaxLossAvailableCarryforwardToDeferredTaxAssets |
| 1352 |
Tax loss carryforward benefit |
Concept (Monetary) |
As Of |
Debit |
amx:TaxLossesAvailableForCarryforward |
| 1353 |
1104 - Disclosure - Debt - Summary of Short- and Long-Term Debt (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtSummaryOfShortAndLongTermDebt |
| 1354 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1355 |
Currency [Axis] |
Axis |
|
|
srt:CurrencyAxis |
| 1356 |
All Currencies [Domain] |
Member |
|
|
currency:AllCurrenciesDomain |
| 1357 |
U.S. dollars [member] |
Member |
|
|
currency:USD |
| 1358 |
Mexican pesos [member] |
Member |
|
|
currency:MXN |
| 1359 |
Euros [member] |
Member |
|
|
currency:EUR |
| 1360 |
Pound sterling [member] |
Member |
|
|
currency:GBP |
| 1361 |
Swiss francs [,ember] |
Member |
|
|
currency:CHF |
| 1362 |
Brazilian reals [member] |
Member |
|
|
currency:BRL |
| 1363 |
Japanese yens [member] |
Member |
|
|
currency:JPY |
| 1364 |
Chilean pesos [member] |
Member |
|
|
currency:CLP |
| 1365 |
Other currencies [member] |
Member |
|
|
amx:OtherCurrenciesMember |
| 1366 |
Peru, Nuevos Soles |
Member |
|
|
currency:PEN |
| 1367 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1368 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1369 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1370 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1371 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1372 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1373 |
Fixed-rate Senior notes interest rate 5.000% maturing 2019 [member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateFivePointZeroZeroPercentageMaturing2019Member |
| 1374 |
Fixed-rate Senior notes interest rate 5.500% maturing 2019 [member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateFivePointFiveZeroPercentageMaturing2019Member |
| 1375 |
Fixed-rate Senior notes interest rate 5.000% maturing 2020 [member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateFivePointZeroZeroPercentageMaturing2020Member |
| 1376 |
Fixed-rate Senior notes interest rate 3.125% maturing 2022 [Member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateThreePointOneTwoFiveMaturing2022Member |
| 1377 |
Fixed-rate Senior notes interest rate 6.375% maturing 2035 [member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateSixPointThreeSevenFiveMaturing2035Member |
| 1378 |
Fixed-rate Senior notes interest rate 6.125% maturing 2037 [member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateSixPointOneTwoFivePercentageMaturing2037Member |
| 1379 |
Fixed-rate Senior notes interest rate 6.125% maturing 2040 [member] |
Member |
|
|
amx:FixedrateSeniorNotesInterestRateSixPointOneTwoFivePercentageMaturing2040Member |
| 1380 |
Fixed Rate Senior Notes Interest Rate 4.375% Maturing 2042 [Member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFourPointThreeSevenFivePercentageMaturing2042Member |
| 1381 |
Domestic Senior Notes Interest Rate 8.110% Maturing 2018 [member] |
Member |
|
|
amx:DomesticSeniorNotesInterestRateEightPointOneOnePercentageMaturing2018Member |
| 1382 |
Domestic Senior Notes Interest Rate 8.270% Maturing 2018 [member] |
Member |
|
|
amx:DomesticSeniorNotesInterestRateEightPointTwoSevenPercentageMaturing2018Member |
| 1383 |
Domestic Senior Notes Interest Rate 8.600% Maturing 2020 [member] |
Member |
|
|
amx:DomesticSeniorNotesInterestRateEightPointSixZeroPercentageMaturing2020Member |
| 1384 |
Domestic Senior Notes Interest Rate 0.000% Maturing 2025 [member] |
Member |
|
|
amx:DomesticSeniorNotesInterestRateZeroPointZeroPercentageMaturing2025Member |
| 1385 |
Domestic Senior Notes Interest Rate 8.360% Maturing 2037 [member] |
Member |
|
|
amx:DomesticSeniorNotesInterestRateEightPointThreeSixZeroPercentageMaturing2037Member |
| 1386 |
Fixed Rate Senior Notes Interest Rate 6.000% Maturing 2019 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateSixPointZeroPercentageMaturing2019Member |
| 1387 |
Fixed Rate Senior Notes Interest Rate 6.450% Maturing 2022 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateSixPointFourFivePercentageMaturing2022Member |
| 1388 |
Fixed Rate Senior Notes Interest Rate 7.125% Maturing 2024 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateSevenPointOneTwoFivePercentageMaturing2024Member |
| 1389 |
Fixed Rate Senior Notes Interest Rate 8.460% Maturing 2036 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateEightPointFourSixPercentageMaturing2036Member |
| 1390 |
Fixed rate senior notes interest rate 1.000% maturing 2018 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateOnePointZeroZeroPercentageMaturing2018Member |
| 1391 |
Fixed rate senior notes interest rate 4.125% maturing 2019 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFourPointOneTwoFivePercentageMaturing2019Member |
| 1392 |
Exchangable bonds interest rate 0.000% maturing 2020 [member] |
Member |
|
|
amx:ExchangableBondsInterestRateZeroPointZeroPercentageMaturing2020Member |
| 1393 |
Fixed rate senior notes interest rate 3.000% maturing 2021 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateThreePointZeroPercentageMaturing2021Member |
| 1394 |
Fixed rate senior notes interest rate 3.125% maturing 2021 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateThreePointOneTwoFivePercentageMaturing2021Member |
| 1395 |
Fixed rate senior notes interest rate 4.000% maturing 2022 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFourPointZeroPercentageMaturing2022Member |
| 1396 |
Fixed rate senior notes interest rate 4.750% maturing 2022 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFourPointSevenFivePercentageMaturing2022Member |
| 1397 |
Fixed rate senior notes interest rate 3.500% maturing 2023 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateThreePointFiveZeroPercentageMaturing2023Member |
| 1398 |
Fixed rate senior notes interest rate 3.259% maturing 2023 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateThreePointTwoFiveNinePercentageMaturing2023Member |
| 1399 |
Fixed rate senior notes interest rate 1.500% maturing 2024 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateOnePointFiveZeroPercentageMaturing2024Member |
| 1400 |
Fixed rate senior notes interest rate 1.500% maturing 2026 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateOnePointFiveZeroPercentageMaturing2026Member |
| 1401 |
Fixed rate senior notes interest rate 2.125% maturing 2028 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateTwoPointOneTwoFivePercentageMaturing2028Member |
| 1402 |
Fixed rate senior notes interest rate 5.000% maturing 2026 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFivePointZeroPercentageMaturing2026Member |
| 1403 |
Fixed rate senior notes interest rate 5.750% maturing 2030 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFivePointSevenFivePercentageMaturing2030Member |
| 1404 |
Fixed rate senior notes interest rate 4.948% maturing 2033 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFourPointNineFourEightPercentageMaturing2033Member |
| 1405 |
Fixed rate senior notes interest rate 4.375% maturing 2041 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateFourPointThreeSevenFivePercentageMaturing2041Member |
| 1406 |
Fixed rate senior notes interest rate 1.125% maturing 2018 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateOnePointOneTwoFivePercentageMaturing2018Member |
| 1407 |
Debenture 102.900% of CDI maturing 2020 [member] |
Member |
|
|
amx:DebentureInterestRateOneHundredAndTwoPointNinePercentageOfCDIMaturing2020Member |
| 1408 |
Promissory Note 102.400% of CDI maturing 2019 [member] |
Member |
|
|
amx:PromissoryNoteInterestRateOneHundredAndTwoPointFourPercentageOfCDIMaturing2019Member |
| 1409 |
Debenture 103.900% of CDI maturing 2019 [member] |
Member |
|
|
amx:DebentureInterestRateOneHundredAndThreePointNinePercentageOfCDIMaturing2019Member |
| 1410 |
Fixed rate senior notes interest rate 2.950% maturing 2039 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateTwoPointNineFivePercentageMaturing2039Member |
| 1411 |
Fixed rate senior notes interest rate 3.961% maturing 2035 [member] |
Member |
|
|
amx:FixedRateSeniorNotesInterestRateThreePointNineSixOnePercentageMaturing2035Member |
| 1412 |
Euro Nc5 series A capital securities interest rate 5.125% maturing 2073 [member] |
Member |
|
|
amx:EuroNc5SeriesCapitalSecuritiesInterestRateFivePointOneTwoFivePercentageMaturing2073Member |
| 1413 |
Euro Nc10 series B capital securities interest rate 6.375% maturing 2073 [member] |
Member |
|
|
amx:EuroNc10SeriesCapitalSecuritiesInterestRateSixPointThreeSevenFivePercentageMaturing2073Member |
| 1414 |
GBP NC7 capital securities interest rate 6.375% maturing 2073 [member] |
Member |
|
|
amx:GbpNc7CapitalSecuritiesInterestRateSixPointThreeSevenFivePercentageMaturing2073Member |
| 1415 |
Lines of credit [member] |
Member |
|
|
amx:LineOfCredit1Member |
| 1416 |
Finance Lease [member] |
Member |
|
|
amx:FinanceLeaseMember |
| 1417 |
Line of credit and others [member] |
Member |
|
|
amx:LineOfCreditAndOthersMember |
| 1418 |
Promissory notes 103.205% of CDI maturing 2019 [member] |
Member |
|
|
amx:PromissoryNotesInterestRateOneHundredAndThreePointTwoZeroFivePercentageOfCdiMaturing2019Member |
| 1419 |
Debenture 104.000% of CDI maturing 2021 [member] |
Member |
|
|
amx:DebentureInterestRateOneHundredAndFourPointZeroPercentageOfCdiMaturing2021Member |
| 1420 |
Debenture 104.250% of CDI maturing 2021 [member] |
Member |
|
|
amx:DebentureInterestRateOneHundredAndFourPointTwoFiveZeroPercentageOfCdiMaturing2021Member |
| 1421 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1422 |
Interest rate types [member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1423 |
Hybrid Notes [member] |
Member |
|
|
amx:HybridNotesMember |
| 1424 |
LIBOR [member] |
Member |
|
|
amx:LIBORMember |
| 1425 |
Mexican Interbank Rate [member] |
Member |
|
|
amx:MexicanInterbankRateMember |
| 1426 |
Brazil Interbank Deposit Rate [member] |
Member |
|
|
amx:BrazilInterbankDepositRateMember |
| 1427 |
Brazil Long Term Interest Rate [member] |
Member |
|
|
amx:BrazilLongTermInterestRateMember |
| 1428 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1429 |
Borrowings interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1430 |
Interbank certificate of deposit interest rate basis |
Concept (Text/String) |
For Period |
|
amx:InterbankCertificateOfDepositInterestRateBasis |
| 1431 |
Borrowings maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1432 |
Adjustment of interbank certificate of deposit |
Concept (Percent) |
For Period |
|
amx:AdjustmentOfInterbankCertificateOfDepositInterest |
| 1433 |
Borrowings interest basis |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsInterestRateBasis |
| 1434 |
Borrowings interest rate adjustment |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsAdjustmentToInterestRateBasis |
| 1435 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1436 |
Less: Short-term debt and current portion of long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 1437 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 1438 |
1105 - Disclosure - Debt - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtAdditionalInformation |
| 1439 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1440 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1441 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1442 |
Mexico [member] |
Member |
|
|
country:MX |
| 1443 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1444 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1445 |
Revolving Syndicated Credit Facility One [member] |
Member |
|
|
amx:SyndicatedCreditFacilityOneMember |
| 1446 |
Revolving Syndicated Credit Facility Two [member] |
Member |
|
|
amx:SyndicatedCreditFacilityTwoMember |
| 1447 |
Syndicated revolving credit facilities [member] |
Member |
|
|
amx:SyndicatedRevolvingCreditFacilitiesMember |
| 1448 |
Series One Hybrid Notes [member] |
Member |
|
|
amx:SeriesOneHybridNotesMember |
| 1449 |
Series Two Hybrid Notes [member] |
Member |
|
|
amx:SeriesTwoHybridNotesMember |
| 1450 |
Series Three Hybrid Notes [member] |
Member |
|
|
amx:SeriesThreeHybridNotesMember |
| 1451 |
Hybrid Notes [member] |
Member |
|
|
amx:HybridNotesMember |
| 1452 |
Lines of credit [member] |
Member |
|
|
amx:LineOfCredit1Member |
| 1453 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1454 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1455 |
Telekom Austria [member] |
Member |
|
|
amx:TelekomAustriaMember |
| 1456 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1457 |
Interest rate types [member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1458 |
Hybrid Notes [member] |
Member |
|
|
amx:HybridNotesMember |
| 1459 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1460 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1461 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1462 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1463 |
Currency [Axis] |
Axis |
|
|
srt:CurrencyAxis |
| 1464 |
All Currencies [Domain] |
Member |
|
|
currency:AllCurrenciesDomain |
| 1465 |
Euros [member] |
Member |
|
|
currency:EUR |
| 1466 |
Classes of assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 1467 |
Assets [member] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 1468 |
Investments accounted for using equity method Koninklijke KPN [member] |
Member |
|
|
amx:InvestmentsAccountedForUsingEquityMethodInKoninklijkeKPNMember |
| 1469 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1470 |
Weighted average cost of borrowed funds |
Concept (Percent) |
For Period |
|
ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation |
| 1471 |
Commissions or the reimbursements for Mexican tax withholdings |
Concept (Percent) |
For Period |
|
amx:TaxWithholdingPercentage |
| 1472 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1473 |
Number of revolving syndicated credit facilities |
Concept (Integer) |
For Period |
|
amx:NumberOfUndrawnRevolovingSyndicatedFacilities |
| 1474 |
Loan amount |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LoansReceived |
| 1475 |
Borrowings, maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 1476 |
Borrowings interest rate |
Concept (Percent) |
As Of |
|
ifrs-full:BorrowingsInterestRate |
| 1477 |
Percentage of leverage for equity credit |
Concept (Percent) |
For Period |
|
amx:PercentageOfLeverageForEquityCredit |
| 1478 |
Capital securities beginning redemption period |
Concept (Text/String) |
For Period |
|
amx:CapitalSecuritiesRedemptionPeriod |
| 1479 |
Borrowings, original currency |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsOriginalCurrency |
| 1480 |
Number of shares delivered |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 1481 |
Percentage of shares outstanding |
Concept (Percent) |
For Period |
|
amx:PercentageOfSharesOutstanding |
| 1482 |
Nominal outstanding amount of bond |
Concept (Monetary) |
As Of |
|
amx:ConvertibleBonds |
| 1483 |
Sale of share price per share |
Concept (Share) |
For Period |
|
amx:SharesSellingPricePerShare |
| 1484 |
Consolidated ratio of debt to EBITDA |
Concept (Percent) |
For Period |
|
amx:ConsolidatedRatioOfDebtToEBITDA |
| 1485 |
Consolidated ratio of EBITDA to interest paid |
Concept (Percent) |
For Period |
|
amx:ConsolidatedRatioOfEBITDAToInterestPaid |
| 1486 |
1106 - Disclosure - Debt - Summary of Short Term Debt Maturities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtSummaryOfShortTermDebtMaturities |
| 1487 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1488 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1489 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1490 |
Senior Notes 1 [member] |
Member |
|
|
amx:SeniorNotes1Member |
| 1491 |
Lines of credit [member] |
Member |
|
|
amx:LineOfCredit1Member |
| 1492 |
Finance Lease [member] |
Member |
|
|
amx:FinanceLeaseMember |
| 1493 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1494 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1495 |
Obligations and senior notes [member] |
Member |
|
|
amx:ObligationsAndSeniorNotesMember |
| 1496 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1497 |
Short-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 1498 |
Weighted average interest rate |
Concept (Percent) |
For Period |
|
amx:WeightedAverageInterestRateShorttermBorrowingsAndCurrentPortionOfLongtermDebt |
| 1499 |
1107 - Disclosure - Debt - Summary of Long Term Debt Maturities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtSummaryOfLongTermDebtMaturities |
| 1500 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1501 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1502 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1503 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 1504 |
2021 [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 1505 |
2022 [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1506 |
2023 and Thereafter [member] |
Member |
|
|
amx:LaterThanFiveYearsAndThereafterMember |
| 1507 |
Disclosure of detailed information about borrowings [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems |
| 1508 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 1509 |
1108 - Disclosure - Debt - Summary of Senior Notes Outstanding (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtSummaryOfSeniorNotesOutstanding |
| 1510 |
Disclosure of detailed information about borrowings [table] |
Table |
* |
* |
ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable |
| 1511 |
Borrowings by name [axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 1512 |
Borrowings by name [member] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 1513 |
Senior Notes 1 [member] |
Member |
|
|
amx:SeniorNotes1Member |
| 1514 |
Currency [Axis] |
Axis |
|
|
srt:CurrencyAxis |
| 1515 |
All Currencies [Domain] |
Member |
|
|
currency:AllCurrenciesDomain |
| 1516 |
U.S. dollars [member] |
Member |
|
|
currency:USD |
| 1517 |
Mexican pesos [member] |
Member |
|
|
currency:MXN |
| 1518 |
Euros [member] |
Member |
|
|
currency:EUR |
| 1519 |
Pound sterling [member] |
Member |
|
|
currency:GBP |
| 1520 |
Swiss francs [,ember] |
Member |
|
|
currency:CHF |
| 1521 |
Japanese yens [member] |
Member |
|
|
currency:JPY |
| 1522 |
Brazilian reals [member] |
Member |
|
|
currency:BRL |
| 1523 |
Chilean pesos [member] |
Member |
|
|
currency:CLP |
| 1524 |
Disclosure of Senior Notes Outstanding [Line Items] |
LineItems |
|
|
amx:DisclosureOfSeniorNotesOutstandingLineItems |
| 1525 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 1526 |
1109 - Disclosure - Accounts Payable, Accrued Liabilities and Asset Retirement Obligations - Components Accounts Payable and Accrued Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsComponentsAccountsPayableAndAccruedLiabilities |
| 1527 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1528 |
Accounts payable and accrued liabilities [abstract] |
Abstract |
|
|
amx:AccountsPayableAndAccruedLiabilitiesAbstract |
| 1529 |
Suppliers |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers |
| 1530 |
Sundry creditors |
Concept (Monetary) |
As Of |
Credit |
amx:CurrentSundryCreditors |
| 1531 |
Interest payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentInterestPayable |
| 1532 |
Guarantee deposits from customers |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BalancesOnDemandDepositsFromCustomers |
| 1533 |
Dividends payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDividendPayables |
| 1534 |
Total |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 1535 |
1110 - Disclosure - Accounts Payable, Accrued Liabilities and Asset Retirement Obligations - Summary of Balance of Accrued Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsSummaryOfBalanceOfAccruedLiabilities |
| 1536 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1537 |
Accrued Liabilities [abstract] |
Abstract |
|
|
amx:AccruedLiabilitiesAbstract |
| 1538 |
Current liabilities |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 1539 |
Direct employee benefits payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ShorttermEmployeeBenefitsAccruals |
| 1540 |
Contingencies |
Concept (Monetary) |
As Of |
Credit |
amx:ContingentLiabilitiesCurrent |
| 1541 |
Total |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccrualsClassifiedAsCurrent |
| 1542 |
1111 - Disclosure - Accounts Payable, Accrued Liabilities and Asset Retirement Obligations - Summary of Movements in Contingent Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsSummaryOfMovementsInContingentLiabilities |
| 1543 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1544 |
Disclosure of contingent liabilities [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfContingentLiabilitiesAbstract |
| 1545 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
amx:ContingentConsiderationLiabilitiesCurrent |
| 1546 |
Business combination |
Concept (Monetary) |
For Period |
Credit |
amx:MovementsInContingentLiabilitiesRelatedToBusinessCombinationsCurrent |
| 1547 |
Effect of translation |
Concept (Monetary) |
For Period |
Debit |
amx:EffectOfExchangeRateChangesOnContingentLiabilitiesCurrent |
| 1548 |
Increase of the year |
Concept (Monetary) |
For Period |
Credit |
amx:IncreaseDecreaseInContingentLiabilitiesDuringPeriodCurrent |
| 1549 |
Applications payments |
Concept (Monetary) |
For Period |
Credit |
amx:ApplicationsPaymentsContingentLiabilitiesCurrent |
| 1550 |
Applications reversals |
Concept (Monetary) |
For Period |
Credit |
amx:ApplicationsReversalsContingentLiabilitiesCurrent |
| 1551 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
amx:ContingentConsiderationLiabilitiesCurrent |
| 1552 |
1112 - Disclosure - Accounts Payable, Accrued Liabilities and Asset Retirement Obligations - Summary of Movements in Asset Retirement Obligations (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsSummaryOfMovementsInAssetRetirementObligations |
| 1553 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1554 |
Disclosure of asset retirement obligations [abstract] |
Abstract |
|
|
amx:DisclosureOfAssetRetirementObligationsAbstract |
| 1555 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
amx:NoncurrentAssetRetirementObligations |
| 1556 |
Effect of translation |
Concept (Monetary) |
For Period |
Debit |
amx:EffectOfExchangeRateChangesOnAssetRetirementObligationsNoncurrent |
| 1557 |
Increase of the year |
Concept (Monetary) |
For Period |
Debit |
amx:IncreaseDecreaseInAssetRetirementObligationsDuringPeriodNoncurrent |
| 1558 |
Applications payments |
Concept (Monetary) |
For Period |
Credit |
amx:ApplicationsPaymentsOfAssetRetirementObligationsNoncurrent |
| 1559 |
Applications reversals |
Concept (Monetary) |
For Period |
Credit |
amx:ApplicationsReversalsOfAssetRetirementObligationsNoncurrent |
| 1560 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
amx:NoncurrentAssetRetirementObligations |
| 1561 |
1113 - Disclosure - Commitments and Contingencies - Schedule of Non-Cancelable Commitments under Finance Leases (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfNonCancelableCommitmentsUnderFinanceLeases |
| 1562 |
Disclosure of Finance Lease and Operating Lease by Lessee [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 1563 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1564 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1565 |
2019 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 1566 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 1567 |
2021 [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 1568 |
2022 [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1569 |
2023 [member] |
Member |
|
|
amx:LaterThanFiveYearsAndNotLaterThanSixYearsMember |
| 1570 |
2024 and thereafter [member] |
Member |
|
|
amx:LaterThanSixYearsAndThereafterMember |
| 1571 |
Disclosure of finance lease and operating lease by lessee [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 1572 |
Minimum lease payments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayable |
| 1573 |
Less: amounts representing finance charges |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FutureFinanceChargeOnFinanceLease |
| 1574 |
Present value of net minimum lease payments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue |
| 1575 |
Less current portion |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinanceLeaseLiabilities |
| 1576 |
Long-term obligations |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinanceLeaseLiabilities |
| 1577 |
Present value of net minimum lease payments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue |
| 1578 |
1114 - Disclosure - Commitments and Contingencies - Schedule of Non-Cancelable Commitments under Operating Leases (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfNonCancelableCommitmentsUnderOperatingLeases |
| 1579 |
Disclosure of Finance Lease and Operating Lease by Lessee [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 1580 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1581 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1582 |
2019 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 1583 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 1584 |
2021 [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 1585 |
2022 [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1586 |
2023 [member] |
Member |
|
|
amx:LaterThanFiveYearsAndNotLaterThanSixYearsMember |
| 1587 |
2024 and thereafter [member] |
Member |
|
|
amx:LaterThanSixYearsAndThereafterMember |
| 1588 |
Disclosure of finance lease and operating lease by lessee [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 1589 |
Operating lease minimum payments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease |
| 1590 |
1115 - Disclosure - Commitments and Contingencies - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation |
| 1591 |
Disclosure Of Commitments And Contingencies [table] |
Table |
* |
* |
amx:DisclosureOfCommitmentsAndContingenciesTable |
| 1592 |
Income tax authority 1 [axis] |
Axis |
|
|
amx:IncomeTaxAuthority1Axis |
| 1593 |
Income Tax Authority 1 [domain] |
Member |
|
|
amx:IncomeTaxAuthority1Domain |
| 1594 |
Mexican tax administration service [member] |
Member |
|
|
amx:MexicanTaxAdministrationServiceMember |
| 1595 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1596 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1597 |
Consorcio Ecuatoriano de Telecomunicaciones, S.A. (Conecel) [member] |
Member |
|
|
amx:ConsorcioEcuatorianoDeTelecomunicacionesSAConecelMember |
| 1598 |
Classes of contingent liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfContingentLiabilitiesAxis |
| 1599 |
Contingencies [member] |
Member |
|
|
ifrs-full:ContingentLiabilitiesMember |
| 1600 |
Tax contingent liability [member] |
Member |
|
|
ifrs-full:TaxContingentLiabilityMember |
| 1601 |
Contingent liabilities [member] |
Member |
|
|
ifrs-full:OtherContingentLiabilitiesMember |
| 1602 |
Legal proceedings contingent liability [member] |
Member |
|
|
ifrs-full:LegalProceedingsContingentLiabilityMember |
| 1603 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1604 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1605 |
Telmex [member] |
Member |
|
|
amx:TelmexMember |
| 1606 |
Agencia Nacional de telecomunicacoes [member] |
Member |
|
|
amx:AgenciaNacionalDeTelecomunicacoesMember |
| 1607 |
ICMS related matters [member] |
Member |
|
|
amx:ICMSRelatedMattersMember |
| 1608 |
Claro Brasil and Americe [member] |
Member |
|
|
amx:ClaroBrasilAndAmericeMember |
| 1609 |
Primesys [member] |
Member |
|
|
amx:PrimesysMember |
| 1610 |
CSLL and IRPJ [member] |
Member |
|
|
amx:CSLLAndIRPJMember |
| 1611 |
Claro Brasil [member] |
Member |
|
|
amx:ClaroBrasilMember |
| 1612 |
PIS and COFINS [member] |
Member |
|
|
amx:PisAndCofinsMember |
| 1613 |
FUST/FUNTTEL [member] |
Member |
|
|
amx:FustAndFunttelMember |
| 1614 |
Brazilian ministry of communications [member] |
Member |
|
|
amx:BrazilianMinistryOfCommunicationsMember |
| 1615 |
ISS [member] |
Member |
|
|
amx:ISSMember |
| 1616 |
TFI [member] |
Member |
|
|
amx:TFIMember |
| 1617 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 1618 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 1619 |
Previous IFRS [member] |
Member |
|
|
ifrs-full:PreviouslyStatedMember |
| 1620 |
Classes of other provisions [axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
| 1621 |
Other provisions [member] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
| 1622 |
Provision for taxes other than income tax [member] |
Member |
|
|
ifrs-full:ProvisionForTaxesOtherThanIncomeTaxMember |
| 1623 |
Legal proceedings provision [member] |
Member |
|
|
ifrs-full:LegalProceedingsProvisionMember |
| 1624 |
Legal Entity [Axis] |
Axis |
|
|
dei:LegalEntityAxis |
| 1625 |
Entity [Domain] |
Member |
|
|
dei:EntityDomain |
| 1626 |
America Central Tel, S.A de C.V [member] |
Member |
|
|
amx:AmericaCentralTelMember |
| 1627 |
Disclosure of commitments and contingencies [line items] |
LineItems |
|
|
amx:DisclosureOfCommitmentsAndContingenciesLineItems |
| 1628 |
Rent expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RentalExpense |
| 1629 |
Tax assessment related to tax return |
Concept (Monetary) |
As Of |
Credit |
amx:TaxAssessmentAmountRelatedToTaxReturn |
| 1630 |
Consolidated tax loss |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfTaxLosses |
| 1631 |
Tax assessment for alleged tax improprieties |
Concept (Monetary) |
As Of |
Credit |
amx:TaxAssessmentForAllegedTaxImproprieties |
| 1632 |
Percentage of capital stock |
Concept (Percent) |
As Of |
|
amx:PercentageOfCapitalStock |
| 1633 |
Fine imposed on alleged merger |
Concept (Monetary) |
For Period |
Debit |
amx:FineImposedOnAllegedMerger |
| 1634 |
Fine imposed on sanction procedure initiated by triggered breach |
Concept (Monetary) |
For Period |
Debit |
amx:FineImposedOnSanctionProcedureInitiatedByAllegedBreach |
| 1635 |
Tax contingencies amount |
Concept (Monetary) |
As Of |
|
ifrs-full:EstimatedFinancialEffectOfContingentLiabilities |
| 1636 |
Provision |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherProvisions |
| 1637 |
Tax assessment amount related to undue amortization of goodwill |
Concept (Monetary) |
As Of |
Credit |
amx:TaxAssessmentAmountRelatedToUndueAmortizationOfGoodwill |
| 1638 |
Tax amount in dispute |
Concept (Monetary) |
As Of |
Credit |
amx:TaxDisputes |
| 1639 |
Tax assessments related to offset in non-cumulative method |
Concept (Monetary) |
As Of |
Credit |
amx:TaxAssessmentAmountRelatedToOffsetInNonCumulativeMethod |
| 1640 |
Revert of provision |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RefundsProvision |
| 1641 |
Provision |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LegalProceedingsProvision |
| 1642 |
Inflation-related adjustments applicable to percentage of concessions price |
Concept (Percent) |
For Period |
|
amx:InflationRelatedAdjustmentsApplicableToPercentageOfConcessionsPrice |
| 1643 |
Monetary correction in a total amount of regulatory matters |
Concept (Monetary) |
For Period |
Credit |
amx:MonetaryCorrectionsInTotalAmountOfRegulatoryMatters |
| 1644 |
Amount of fine |
Concept (Monetary) |
For Period |
Debit |
amx:AmountOfFineChargedByAuthority |
| 1645 |
Number of locations alleged for monopoly |
Concept (Integer) |
For Period |
|
amx:NumberOfAllegedOtherPlaintiffs |
| 1646 |
1116 - Disclosure - Commitments and Contingencies - Schedule of Purchase Commitments (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfPurchaseCommitments |
| 1647 |
Disclosure of Commitments [Table] |
Table |
* |
* |
amx:DisclosureOfCommitmentsTable |
| 1648 |
Counterparties [axis] |
Axis |
|
|
ifrs-full:CounterpartiesAxis |
| 1649 |
Counterparties [member] |
Member |
|
|
ifrs-full:CounterpartiesMember |
| 1650 |
Wireless carriers [member] |
Member |
|
|
amx:WirelessCarriersMember |
| 1651 |
Financial commitments [axis] |
Axis |
|
|
amx:FinancialCommitmentsAxis |
| 1652 |
Financial commitments [domain] |
Member |
|
|
amx:FinancialCommitmentsDomain |
| 1653 |
Purchase commitment for purchase of airtime minutes at current market prices [member] |
Member |
|
|
amx:PurchaseCommitmentForPurchaseOfAirtimeMinutesAtCurrentMarketPricesMember |
| 1654 |
Maturity [axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1655 |
Aggregated time bands [member] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1656 |
2019 [member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 1657 |
2020 [member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 1658 |
2021 [member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember |
| 1659 |
2022 [member] |
Member |
|
|
ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember |
| 1660 |
Disclosure of commitments [line items] |
LineItems |
|
|
amx:DisclosureOfCommitmentsLineItems |
| 1661 |
Purchase commitments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CapitalCommitments |
| 1662 |
1117 - Disclosure - Employee Benefits - Analysis of Net Liability and Net Period Cost for Employee Benefit (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAnalysisOfNetLiabilityAndNetPeriodCostForEmployeeBenefit |
| 1663 |
Disclosure of Net Defined Benefit Liability (Asset) [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable |
| 1664 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1665 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1666 |
Mexico [member] |
Member |
|
|
country:MX |
| 1667 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 1668 |
Europe [member] |
Member |
|
|
srt:EuropeMember |
| 1669 |
Brazil [member] |
Member |
|
|
country:BR |
| 1670 |
Ecuador [member] |
Member |
|
|
country:EC |
| 1671 |
Disclosure of net defined benefit liability (asset) [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetLineItems |
| 1672 |
Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DefinedBenefitObligationAtPresentValue |
| 1673 |
Net period cost (benefit) |
Abstract |
|
|
ifrs-full:ChangesInNetDefinedBenefitLiabilityAssetAbstract |
| 1674 |
Net period cost (benefit) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset |
| 1675 |
1118 - Disclosure - Employee Benefits - Summary of Defined Benefit Obligation (DBO) and Plan Assets for Pension and Other Benefit Obligation Plans (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfDefinedBenefitObligationDBOAndPlanAssetsForPensionAndOtherBenefitObligationPlans |
| 1676 |
Disclosure of Defined Benefit Plans [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDefinedBenefitPlansTable |
| 1677 |
Net defined benefit liability (asset) [axis] |
Axis |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetAxis |
| 1678 |
Net defined benefit liability (asset) [member] |
Member |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetMember |
| 1679 |
Defined benefit obligation [member] |
Member |
|
|
ifrs-full:PresentValueOfDefinedBenefitObligationMember |
| 1680 |
Plan assets [member] |
Member |
|
|
ifrs-full:PlanAssetsMember |
| 1681 |
Effect of asset celling [member] |
Member |
|
|
ifrs-full:EffectOfAssetCeilingMember |
| 1682 |
Segments [axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 1683 |
Segments [member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 1684 |
Reportable segments [member] |
Member |
|
|
ifrs-full:ReportableSegmentsMember |
| 1685 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1686 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1687 |
Mexico [member] |
Member |
|
|
country:MX |
| 1688 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 1689 |
Brazil [member] |
Member |
|
|
country:BR |
| 1690 |
Europe [member] |
Member |
|
|
srt:EuropeMember |
| 1691 |
Disclosure of defined benefit plans [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDefinedBenefitPlansLineItems |
| 1692 |
Defined benefit obligation and plan assets |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1693 |
1119 - Disclosure - Employee Benefits - Summary of the Actuarial Results Generated for the Pension and Retirement Plans as well as the Medical Services (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfTheActuarialResultsGeneratedForThePensionAndRetirementPlansAsWellAsTheMedicalServices |
| 1694 |
Disclosure Of Actuarial Results Generated For The Pension And Retirement Plans [table] |
Table |
* |
* |
amx:DisclosureOfActuarialResultsGeneratedForThePensionAndRetirementPlansTable |
| 1695 |
Net defined benefit liability (asset) [axis] |
Axis |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetAxis |
| 1696 |
Net defined benefit liability (asset) [member] |
Member |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetMember |
| 1697 |
Defined benefit obligation [member] |
Member |
|
|
ifrs-full:PresentValueOfDefinedBenefitObligationMember |
| 1698 |
Plan assets [member] |
Member |
|
|
ifrs-full:PlanAssetsMember |
| 1699 |
Effect of asset celling [member] |
Member |
|
|
ifrs-full:EffectOfAssetCeilingMember |
| 1700 |
Disclosure of actuarial results generated for the pension and retirement plans [line items] |
LineItems |
|
|
amx:DisclosureOfActuarialResultsGeneratedForThePensionAndRetirementPlansLineItems |
| 1701 |
Balance at the beginning of the year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1702 |
Current service cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset |
| 1703 |
Interest cost on projected benefit obligation |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset |
| 1704 |
Expected return on plan assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset |
| 1705 |
Changes in the asset ceiling during the period and others |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeiling |
| 1706 |
Past service costs and other |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PastServiceCostNetDefinedBenefitLiabilityAsset |
| 1707 |
Actuarial gain for changes in experience |
Concept (Monetary) |
For Period |
Credit |
amx:ActuarialGainForChangesInExperienceBeforeNetPeriodCost |
| 1708 |
Actuarial gain from changes in demographic assumptions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset |
| 1709 |
Actuarial (gain) loss from changes in financial assumptions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset |
| 1710 |
Net period cost |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset |
| 1711 |
Actuarial loss for changes in experience |
Concept (Monetary) |
For Period |
Debit |
amx:ActuarialLossForChangesInExperienceAfterNetPeriodCost |
| 1712 |
Actuarial gain for changes in experience |
Concept (Monetary) |
For Period |
Credit |
amx:ActuarialGainForChangesInExperienceAfterNetPeriodCost |
| 1713 |
Actuarial gain from changes in demographic assumptions |
Concept (Monetary) |
For Period |
Credit |
amx:ActuarialGainsArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAssetAfterNetPeriodCost |
| 1714 |
Actuarial loss from changes in demographic assumptions |
Concept (Monetary) |
For Period |
Debit |
amx:ActuarialLossArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAssetAfterNetPeriodCost |
| 1715 |
Actuarial loss from changes in financial assumptions |
Concept (Monetary) |
For Period |
Debit |
amx:ActuarialLossArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAssetAfterNetPeriodCost |
| 1716 |
Actuarial gain (loss) from changes in financial assumptions |
Concept (Monetary) |
For Period |
Debit |
amx:ActuarialLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAssetAfterNetPeriodCost |
| 1717 |
Changes in the asset ceiling during the period and others |
Concept (Monetary) |
For Period |
Credit |
amx:GainLossOnChangesInEffectOfLimitingNetDefinedBenefitAssetToAssetCeilingAfterNetPeriodCost |
| 1718 |
Return on plan assets greater than discount rate |
Concept (Monetary) |
For Period |
Debit |
amx:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAssetAfterNetPeriodCost |
| 1719 |
Recognized in other comprehensive income |
Concept (Monetary) |
For Period |
Debit |
amx:DefinedBenefitPlanRecognizedInOtherComprehensiveIncome |
| 1720 |
Contributions made by plan participants |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset |
| 1721 |
Contributions to the pension plan made by the Company |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset |
| 1722 |
Benefits paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:BenefitsPaidOrPayable |
| 1723 |
Payments to employees |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset |
| 1724 |
Effect of translation |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset |
| 1725 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset |
| 1726 |
Balance at the end of the year |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1727 |
Less short-term portion |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentRecognisedAssetsDefinedBenefitPlan |
| 1728 |
Non-current obligation |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentRecognisedAssetsDefinedBenefitPlan |
| 1729 |
1120 - Disclosure - Employee Benefits - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAdditionalInformation |
| 1730 |
Disclosure of Defined Benefit Plans [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfDefinedBenefitPlansTable |
| 1731 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1732 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1733 |
Austria [member] |
Member |
|
|
country:AT |
| 1734 |
Brazil [member] |
Member |
|
|
country:BR |
| 1735 |
Mexico [member] |
Member |
|
|
country:MX |
| 1736 |
Ecuador [member] |
Member |
|
|
country:EC |
| 1737 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1738 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1739 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1740 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1741 |
Subsidiaries [axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1742 |
Entity's total for subsidiaries [member] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1743 |
Telekom Austria [member] |
Member |
|
|
amx:TelekomAustriaMember |
| 1744 |
Claro Brasil [member] |
Member |
|
|
amx:ClaroBrasilMember |
| 1745 |
Telmexs [member] |
Member |
|
|
amx:TelmexsMember |
| 1746 |
Defined benefit plans [axis] |
Axis |
|
|
ifrs-full:DefinedBenefitPlansAxis |
| 1747 |
Defined benefit plans [member] |
Member |
|
|
ifrs-full:DefinedBenefitPlansMember |
| 1748 |
Defined Contribution Plans [member] |
Member |
|
|
amx:DefinedContributionPlansMember |
| 1749 |
Participants enrolled before October 31st, 2014 [member] |
Member |
|
|
amx:EmployeeEnrollmentPeriodOneMember |
| 1750 |
Participants enrolled after October 31st, 2014 [member] |
Member |
|
|
amx:EmployeeEnrollmentPeriodTwoMember |
| 1751 |
Unfunded Pension Plans [member] |
Member |
|
|
ifrs-full:PensionDefinedBenefitPlansMember |
| 1752 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 1753 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 1754 |
Akenes [member] |
Member |
|
|
amx:AkenesMember |
| 1755 |
Disclosure of defined benefit plans [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfDefinedBenefitPlansLineItems |
| 1756 |
Current service cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset |
| 1757 |
Expected return on plan assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset |
| 1758 |
Employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherLongtermBenefits |
| 1759 |
Employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 1760 |
Net pension plan liability and plan assets |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 1761 |
Rate of equity instruments |
Concept (Percent) |
As Of |
|
amx:DefinedBenefitPlanEquityPlanAssetsPercentage |
| 1762 |
Rate of debt instruments |
Concept (Percent) |
As Of |
|
amx:DefinedBenefitPlanDebtPlanAssetsPercentage |
| 1763 |
Recorded of pension plan re-measurement value in defined pension plan |
Concept (Monetary) |
For Period |
Credit |
amx:PensionPlanRecordedReMeasurementValue |
| 1764 |
Increase in fair value of related party pension plan investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 1765 |
Plan description |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfNatureOfBenefitsProvidedByPlan |
| 1766 |
Defined benefits plan, eligibility retirement date |
Concept (Date) |
For Period |
|
amx:DefinedBenefitsPlanEligibilityBasedOnMaximumRetirementDate |
| 1767 |
Benefit determination maximum percentage on salary before retirement |
Concept (Percent) |
As Of |
|
amx:BenefitDeterminationMaximumPercentageOnSalaryBeforeRetirement |
| 1768 |
Defined Benefit Plan, Pension Benefit Obligation, Percentage |
Concept (Percent) |
For Period |
|
amx:DefinedBenefitPlanPensionBenefitObligationPercentage |
| 1769 |
Service award description |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfServiceConcessionArrangement |
| 1770 |
Service period to receive bonus, description |
Concept (Text/String) |
For Period |
|
amx:TwoMonthsSalaryAsBonusEligibilityServicePeriodDescription |
| 1771 |
Service period to receive bonus, description |
Concept (Text/String) |
For Period |
|
amx:FourMonthsSalaryAsBonusEligibilityServicePeriodDescription |
| 1772 |
Defined contribution plan, payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:BenefitsPaidOrPayable |
| 1773 |
Severance benefit obligations, description |
Concept (Text/String) |
For Period |
|
amx:ExplanationOfSeveranceBenefitObligations |
| 1774 |
Severance benefits, in case of death |
Concept (Percent) |
For Period |
|
amx:PercentageOfSeveranceBenefitsInCaseOfDeath |
| 1775 |
Employee contributions to the plan |
Concept (Percent) |
For Period |
|
amx:PercentageOfDefinedContributionPlanOnSalary |
| 1776 |
Employer contributions to the plan |
Concept (Percent) |
For Period |
|
amx:PercentageOfEmployerContributionToDefinedContributionFund |
| 1777 |
Unfunded liability, payment term |
Concept (xbrli:durationItemType) |
For Period |
|
amx:UnfundedLiabilityPaymentTerm |
| 1778 |
Unpaid balances adjustments |
Concept (Text/String) |
For Period |
|
amx:ExplanationOfUnpaidUnfundedLiabilityBalance |
| 1779 |
Increased percentage per year |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfReasonablyPossibleIncreaseInActuarialAssumption |
| 1780 |
DCP liability |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan |
| 1781 |
Cost of labor |
Concept (Monetary) |
For Period |
Debit |
amx:CostOfLabor |
| 1782 |
Percentage of contribution to social security |
Concept (Percent) |
For Period |
|
amx:PercentageOfContributionForSocialSecurity |
| 1783 |
Contributions to social security, net of the share contributed by civil servants |
Concept (Monetary) |
For Period |
Credit |
amx:ContributionsToSocialSecurityNetOfShareContributedByCivilServants |
| 1784 |
Percentage of contribution to active civil servants |
Concept (Percent) |
For Period |
|
amx:PercentageOfContributionForActiveCivilServants |
| 1785 |
Contributions to the government, net of the share contributed by civil servants |
Concept (Monetary) |
For Period |
Credit |
amx:ContributionsToGovernmentNetOfShareContributedByCivilServants |
| 1786 |
Percentage of defined contribution plan |
Concept (Percent) |
For Period |
|
amx:PercentageOfTheCompensationNotExceeding |
| 1787 |
Annual expense of defined contribution plan |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:EstimateOfContributionsExpectedToBePaidToPlan |
| 1788 |
1121 - Disclosure - Employee Benefits - Schedule of Plan Assets Invested (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsScheduleOfPlanAssetsInvested |
| 1789 |
Disclosure of fair value of plan assets [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFairValueOfPlanAssetsTable |
| 1790 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1791 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1792 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 1793 |
Brazil [member] |
Member |
|
|
country:BR |
| 1794 |
Mexico [member] |
Member |
|
|
country:MX |
| 1795 |
Disclosure of fair value of plan assets [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFairValueOfPlanAssetsLineItems |
| 1796 |
Equity instruments |
Concept (Percent) |
As Of |
|
amx:EquityInstrumentsRateOfContributedToFairValueOfPlanAssets |
| 1797 |
Debt instruments |
Concept (Percent) |
As Of |
|
amx:DebtInstrumentsRateOfContributedToFairValueOfPlanAssets |
| 1798 |
Others |
Concept (Percent) |
As Of |
|
amx:OtherAssetsRateOfContributedToFairValueOfPlanAssets |
| 1799 |
Total |
Concept (Percent) |
As Of |
|
amx:ConsolidatedRateOfContributedToFairValueOfPlanAssets |
| 1800 |
1122 - Disclosure - Employee Benefits - Summary of Assumptions Used in Determining the Net Period Cost (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfAssumptionsUsedInDeterminingTheNetPeriodCost |
| 1801 |
Disclosure of sensitivity analysis for actuarial assumptions [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable |
| 1802 |
Geographical areas [axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 1803 |
Geographical areas [member] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 1804 |
Puerto Rico [member] |
Member |
|
|
country:PR |
| 1805 |
Brazil [member] |
Member |
|
|
country:BR |
| 1806 |
Mexico [member] |
Member |
|
|
country:MX |
| 1807 |
Europe [member] |
Member |
|
|
srt:EuropeMember |
| 1808 |
Actuarial assumptions [axis] |
Axis |
|
|
ifrs-full:ActuarialAssumptionsAxis |
| 1809 |
Actuarial assumptions [member] |
Member |
|
|
ifrs-full:ActuarialAssumptionsMember |
| 1810 |
Actuarial assumption rate one [member] |
Member |
|
|
amx:ActuarialAssumptionRateOneMember |
| 1811 |
Actuarial assumption rate two [member] |
Member |
|
|
amx:ActuarialAssumptionRateTwoMember |
| 1812 |
Actuarial assumption rate three [member] |
Member |
|
|
amx:ActuarialAssumptionRateThreeMember |
| 1813 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1814 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1815 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1816 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1817 |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems |
| 1818 |
Discount rate and long-term rate return |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfDiscountRates |
| 1819 |
Rate of future salary increases |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases |
| 1820 |
Percentage of increase in health care costs for the coming year |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfMedicalCostTrendRates |
| 1821 |
Year to which this level will be maintained |
Concept (Text/String) |
For Period |
|
amx:DescriptionOfLevelOfYearsFairValueWillBeMaintained |
| 1822 |
Rate of increase of pensions |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfPensionIncreases |
| 1823 |
Employee turnover rate |
Concept (Percent) |
For Period |
|
amx:EmployeeTurnoverRate |
| 1824 |
1123 - Disclosure - Employee Benefits - Summary of Increase (Decrease) Would Have Resulted in the DBO Pension and Other Benefits (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfIncreaseDecreaseWouldHaveResultedInTheDBOPensionAndOtherBenefits |
| 1825 |
Disclosure of sensitivity analysis for actuarial assumptions [table] |
Table |
* |
* |
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable |
| 1826 |
Types of interest rates [axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 1827 |
Interest rate types [member] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 1828 |
-100 [member] |
Member |
|
|
amx:MinusHundredBasisPointsMember |
| 1829 |
+100 [member] |
Member |
|
|
amx:PlusHundredBasisPointsMember |
| 1830 |
Actuarial assumptions [axis] |
Axis |
|
|
ifrs-full:ActuarialAssumptionsAxis |
| 1831 |
Actuarial assumptions [member] |
Member |
|
|
ifrs-full:ActuarialAssumptionsMember |
| 1832 |
Discount rate [member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfDiscountRatesMember |
| 1833 |
Health care cost trend rate [member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfMedicalCostTrendRatesMember |
| 1834 |
Disclosure of sensitivity analysis for actuarial assumptions [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems |
| 1835 |
DBO pension and other benefits |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption |
| 1836 |
DBO pension and other benefits |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption |
| 1837 |
1124 - Disclosure - Employee Benefits - Summary of Long-Term Direct Employee Benefits (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfLongTermDirectEmployeeBenefits |
| 1838 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1839 |
Disclosure of long term direct employee benefits [abstract] |
Abstract |
|
|
amx:DisclosureOfLongTermDirectEmployeeBenefitsAbstract |
| 1840 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
amx:LongTermDirectEmployeeBenefits |
| 1841 |
Effect of translation |
Concept (Monetary) |
For Period |
Debit |
amx:LongTermDirectEmployeeBenefitsEffectOfTranslationAdjustments |
| 1842 |
Increase of the year |
Concept (Monetary) |
For Period |
Debit |
amx:LongTermDirectEmployeeBenefitsIncreaseEffect |
| 1843 |
Applications, Payments |
Concept (Monetary) |
For Period |
Credit |
amx:LongTermDirectEmployeeBenefitsDecreaseEffectDueToPayments |
| 1844 |
Applications Applications, Reversals |
Concept (Monetary) |
For Period |
Credit |
amx:LongTermDirectEmployeeBenefitsDecreaseEffectDueToReversals |
| 1845 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
amx:LongTermDirectEmployeeBenefits |
| 1846 |
1125 - Disclosure - Financial Assets and Liabilities - Summary of Categorization of Financial Instruments, Excluding Cash and Cash Equivalents (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAndLiabilitiesSummaryOfCategorizationOfFinancialInstrumentsExcludingCashAndCashEquivalents |
| 1847 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1848 |
Classes of financial liabilities [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 1849 |
Financial liabilities, class [member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 1850 |
Loans and receivables [member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 1851 |
Fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember |
| 1852 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1853 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1854 |
Equity investments at fair value through OCI and other short term investments [member] |
Member |
|
|
amx:EquityInvestmentsAtFairValueThroughOCIAndOtherShortTermInvestmentsMember |
| 1855 |
Accounts receivable from subscribers distributors contractual assets and other net [member] |
Member |
|
|
amx:AccountsReceivableFromSubscribersDistributorsContractualAssetsAndOtherNetMember |
| 1856 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 1857 |
Categories of financial assets [axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1858 |
Financial assets, category [member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1859 |
Loans and receivables [member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 1860 |
Fair value through profit or loss [member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 1861 |
Fair value through OCI [member] |
Member |
|
|
ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember |
| 1862 |
Categories of related parties [axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 1863 |
Entity's total for related parties [member] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 1864 |
Related parties [member] |
Member |
|
|
ifrs-full:RelatedPartiesMember |
| 1865 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1866 |
Financial Assets: |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialAssetsAbstract |
| 1867 |
Financial Assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 1868 |
Financial Liabilities: |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesAbstract |
| 1869 |
Financial Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 1870 |
1126 - Disclosure - Financial Assets and Liabilities - Summary of Fair Value for Financial Assets (Excluding Cash and Cash Equivalents) and Financial Liabilities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAndLiabilitiesSummaryOfFairValueForFinancialAssetsExcludingCashAndCashEquivalentsAndFinancialLiabilities |
| 1871 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1872 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 1873 |
All levels of fair value hierarchy [member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 1874 |
Level 1 [member] |
Member |
|
|
ifrs-full:Level1OfFairValueHierarchyMember |
| 1875 |
Level 2 [member] |
Member |
|
|
ifrs-full:Level2OfFairValueHierarchyMember |
| 1876 |
Level 3 [member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 1877 |
Classes of financial assets [axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1878 |
Financial assets, class [member] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1879 |
Debt [member] |
Member |
|
|
amx:Debt1Member |
| 1880 |
Financial instruments, class [member] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 1881 |
Equity investments at fair value through OCI and other short term investments [member] |
Member |
|
|
amx:EquityInvestmentsAtFairValueThroughOCIAndOtherShortTermInvestmentsMember |
| 1882 |
Pension plan assets [member] |
Member |
|
|
amx:PensionPlanAssetsMember |
| 1883 |
Derivative Financial Instruments [Member] |
Member |
|
|
amx:DerivativeFinancialInstrumentsMember |
| 1884 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1885 |
Assets: |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialAssetsAbstract |
| 1886 |
Financial Assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 1887 |
Liabilities: |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesAbstract |
| 1888 |
Financial Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 1889 |
1127 - Disclosure - Financial Assets and Liabilities - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAndLiabilitiesAdditionalInformation |
| 1890 |
Disclosure of detailed information about financial instruments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 1891 |
Levels of fair value hierarchy [axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 1892 |
All levels of fair value hierarchy [member] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 1893 |
Level 2 [member] |
Member |
|
|
ifrs-full:Level2OfFairValueHierarchyMember |
| 1894 |
Disclosure of detailed information about financial instruments [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 1895 |
Net realized gains (losses) related to derivative financial instruments |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss |
| 1896 |
Transfers out of Level 1 into Level 2 of fair value hierarchy |
Concept (Monetary) |
For Period |
|
ifrs-full:TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets |
| 1897 |
1128 - Disclosure - Financial Assets and Liabilities - Summary of changes in liabilities arising from financing activities (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialAssetsAndLiabilitiesSummaryOfChangesInLiabilitiesArisingFromFinancingActivities |
| 1898 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1899 |
Disclosure of reconciliation of liabilities arising from financing activities [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesAbstract |
| 1900 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilitiesArisingFromFinancingActivities |
| 1901 |
Cash flow |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities |
| 1902 |
Foreign currency exchange and other |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities |
| 1903 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilitiesArisingFromFinancingActivities |
| 1904 |
1129 - Disclosure - Shareholders' Equity - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureShareholdersEquityAdditionalInformation |
| 1905 |
Disclosure of classes of share capital [table] |
Table |
* |
* |
ifrs-full:DisclosureOfClassesOfShareCapitalTable |
| 1906 |
Classes of share capital [axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 1907 |
Share capital [member] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 1908 |
Capital Stock Class AA Voting Rights [member] |
Member |
|
|
amx:CapitalStockClassAaVotingRightsMember |
| 1909 |
Capital Stock Class A Voting Rights [member] |
Member |
|
|
amx:CapitalStockClassAVotingRightsMember |
| 1910 |
Capital Stock Class L Limited Voting Rights [member] |
Member |
|
|
amx:CapitalStockClassLLimitedVotingRightsMember |
| 1911 |
Capital Stock Class Aa [member] |
Member |
|
|
amx:CapitalStockClassAaMember |
| 1912 |
Capital Stock Class A [member] |
Member |
|
|
amx:CapitalStockClassAMember |
| 1913 |
Capital Stock Class L [member] |
Member |
|
|
amx:CapitalStockClassLMember |
| 1914 |
Class L [member] |
Member |
|
|
amx:ClassLMember |
| 1915 |
Class A [member] |
Member |
|
|
amx:ClassAMember |
| 1916 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 1917 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 1918 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 1919 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 1920 |
Reserves within equity [axis] |
Axis |
|
|
ifrs-full:ReservesWithinEquityAxis |
| 1921 |
Other reserves [member] |
Member |
|
|
ifrs-full:OtherReservesMember |
| 1922 |
Legal reserve [member] |
Member |
|
|
amx:LegalReserveMember |
| 1923 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1924 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1925 |
Hybrid Bonds [member] |
Member |
|
|
amx:HybridBondsMember |
| 1926 |
Disclosure of classes of share capital [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalLineItems |
| 1927 |
Capital requirements |
Concept (Monetary) |
As Of |
Credit |
amx:MinimumCapitalRequirements |
| 1928 |
Number of shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 1929 |
Number of shares outstanding |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesOutstanding |
| 1930 |
Number of treasury shares held |
Concept (Shares) |
As Of |
|
amx:NumberOfTreasuryShares |
| 1931 |
Merger transaction description |
Concept (Text/String) |
For Period |
|
amx:DescriptionOfMergerAgreement |
| 1932 |
Percentage of capital stock |
Concept (Percent) |
As Of |
|
amx:PercentageOfCapitalStock |
| 1933 |
Dividends paid |
Concept (Share) |
For Period |
|
ifrs-full:DividendsPaidOrdinarySharesPerShare |
| 1934 |
Periodic payment of dividend |
Concept (Share) |
For Period |
|
amx:DividendPerSharePeriodicPayment |
| 1935 |
Periodic payable date of dividend |
Concept (Text/String) |
For Period |
|
amx:PeriodicPayableDateOfDividend |
| 1936 |
Number of additional shares |
Concept (Shares) |
For Period |
|
amx:DividendsPaidInOrdinaryShares |
| 1937 |
Increase in legal reserve |
Concept (Percent) |
For Period |
|
amx:PercentageOfNetProfitToBeTransferredToReserveFund |
| 1938 |
Legal reserve |
Concept (Monetary) |
For Period |
Debit |
amx:LegalReserves |
| 1939 |
Amount of Mexican withholding tax |
Concept (Percent) |
For Period |
|
amx:WithholdingTaxRateOnPaymentOfDividend |
| 1940 |
Redemption of hybrid bond |
Concept (Monetary) |
For Period |
Debit |
amx:RedemptionOfHybridBond |
| 1941 |
Payment for redemption of bond |
Concept (Monetary) |
For Period |
Credit |
amx:RepaymentOfHybridBonds |
| 1942 |
1130 - Disclosure - Shareholders Equity - Summary of Computation of Basic and Diluted Earnings per Share (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureShareholdersEquitySummaryOfComputationOfBasicAndDilutedEarningsPerShare |
| 1943 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1944 |
Earnings per share [abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 1945 |
Net profit for the period attributable to equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 1946 |
Weighted average shares (in millions) |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 1947 |
Earnings per share attributable to equity holders of the parent |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShare |
| 1948 |
1131 - Disclosure - Components of Other Comprehensive (Loss) Income - Summary of Movement on Components of Other Comprehensive (Loss) Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureComponentsOfOtherComprehensiveLossIncomeSummaryOfMovementOnComponentsOfOtherComprehensiveLossIncome |
| 1949 |
Disclosure of analysis of other comprehensive income by item [table] |
Table |
* |
* |
ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemTable |
| 1950 |
Components of equity [axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 1951 |
Equity [member] |
Member |
|
|
ifrs-full:EquityMember |
| 1952 |
Total equity attributable to equity holders of the parent [member] |
Member |
|
|
ifrs-full:EquityAttributableToOwnersOfParentMember |
| 1953 |
Disclosure of analysis of other comprehensive income by item [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemLineItems |
| 1954 |
Controlling interest: |
Abstract |
|
|
ifrs-full:OtherComprehensiveIncomeAbstract |
| 1955 |
Valuation of the derivative financial instruments, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxChangeInValueOfForwardElementsOfForwardContracts |
| 1956 |
Unrealized (loss) gain on equity investments at fair value, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments |
| 1957 |
Translation effect of foreign entities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation |
| 1958 |
Remeasurement of defined benefit plan, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 1959 |
Non-controlling interest of the items above |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeAttributableToNoncontrollingInterests |
| 1960 |
Total other comprehensive (loss) income items for the year, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 1961 |
1132 - Disclosure - Valuation of derivatives interest cost from labor obligations and other financial items net - Schedule of Valuation of Derivatives and Other Financial Items (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureValuationOfDerivativesInterestCostFromLaborObligationsAndOtherFinancialItemsNetScheduleOfValuationOfDerivativesAndOtherFinancialItems |
| 1962 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1963 |
Disclosure of detailed information about financial instruments [abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsAbstract |
| 1964 |
(Loss) gain in valuation of derivatives, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsOnChangeInFairValueOfDerivatives |
| 1965 |
Capitalized interest expense (Note 10 d) |
Concept (Monetary) |
For Period |
|
ifrs-full:InterestCostsCapitalised |
| 1966 |
Commissions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FeeAndCommissionExpense |
| 1967 |
Interest cost of labor obligations (Note 17) |
Concept (Monetary) |
For Period |
Debit |
amx:InterestCostOfLaborObligations |
| 1968 |
Interest expense on taxes |
Concept (Monetary) |
For Period |
Debit |
amx:InterestExpenseOnTaxes |
| 1969 |
Dividend received (Note 4) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromDividends |
| 1970 |
Gain on net monetary positions (Note 2i, c) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnNetMonetaryPosition |
| 1971 |
Other financial cost |
Concept (Monetary) |
For Period |
Debit |
amx:NetFinanceCostOnGrossDebtIncludingRelatedDerivatives |
| 1972 |
Valuation of derivatives and other financial items |
Concept (Monetary) |
For Period |
Credit |
amx:ValuationOfDerivativesInterestCostFromLaborObligationsAndOtherFinancialItemsNet |
| 1973 |
1133 - Disclosure - Segments - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentsAdditionalInformation |
| 1974 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 1975 |
Segment consolidation items [axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 1976 |
Entity's total for segment consolidation items [member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 1977 |
Operating segments [member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 1978 |
Disclosure of Operating Segments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 1979 |
Percentage of entity revenue |
Concept (Percent) |
For Period |
|
ifrs-full:PercentageOfEntitysRevenue |
| 1980 |
Percentage of taxable profit |
Concept (Percent) |
For Period |
|
amx:PercentageOfTaxableProfit |
| 1981 |
Percentage of consolidated assets |
Concept (Percent) |
For Period |
|
amx:PercentageOfConsolidatedAssets |
| 1982 |
1134 - Disclosure - Segments - Summary of Operating Segments (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSegmentsSummaryOfOperatingSegments |
| 1983 |
Disclosure of operating segments [table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 1984 |
Segment consolidation items [axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 1985 |
Entity's total for segment consolidation items [member] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 1986 |
Operating segments [member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 1987 |
Eliminations [member] |
Member |
|
|
ifrs-full:EliminationOfIntersegmentAmountsMember |
| 1988 |
Segments [axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 1989 |
Segments [member] |
Member |
|
|
ifrs-full:SegmentsMember |
| 1990 |
Mexico [member] |
Member |
|
|
amx:MexicoSegmentMember |
| 1991 |
Telmex [member] |
Member |
|
|
amx:TelmexSegmentMember |
| 1992 |
Brazil [member] |
Member |
|
|
amx:BrazilSegmentMember |
| 1993 |
Southern Cone [member] |
Member |
|
|
amx:SouthernConeSegmentMember |
| 1994 |
Columbia [member] |
Member |
|
|
amx:ColumbiaSegmentMember |
| 1995 |
Andean [member] |
Member |
|
|
amx:AndeanSegmentMember |
| 1996 |
Central America [member] |
Member |
|
|
amx:CentralAmericaSegmentMember |
| 1997 |
U.S.A [member] |
Member |
|
|
amx:USASegmentMember |
| 1998 |
Caribbean [member] |
Member |
|
|
amx:CaribbeanSegmentMember |
| 1999 |
Europe [member] |
Member |
|
|
amx:EuropeSegmentMember |
| 2000 |
Disclosure of Operating Segments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 2001 |
External revenues |
Concept (Monetary) |
For Period |
Credit |
amx:RevenueFromExternalCustomers |
| 2002 |
Intersegment revenues |
Concept (Monetary) |
For Period |
Credit |
amx:IntersegmentRevenue |
| 2003 |
Total revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2004 |
Depreciation and amortization |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAndAmortisationExpense |
| 2005 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
amx:OperatingIncome |
| 2006 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromInterest |
| 2007 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpense |
| 2008 |
Income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2009 |
Equity interest in net income (loss) of associated companies |
Concept (Monetary) |
For Period |
Credit |
amx:EquityInterestInNetLossIncomeOfAssociatedCompanies |
| 2010 |
Net profit (loss) attributable to equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 2011 |
Assets by segment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 2012 |
Plant, property and equipment, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 2013 |
Goodwill |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 2014 |
Trademarks, net |
Concept (Monetary) |
As Of |
Debit |
amx:TrademarksNet |
| 2015 |
Licenses and rights, net |
Concept (Monetary) |
As Of |
Debit |
amx:LicenseAndRightsNet |
| 2016 |
Investment in associated companies |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 2017 |
Liabilities by segments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 2018 |
1135 - Disclosure - Recently Issued Accounting Standards - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureRecentlyIssuedAccountingStandardsAdditionalInformation |
| 2019 |
Disclosure of changes in accounting estimates [table] |
Table |
* |
* |
ifrs-full:DisclosureOfChangesInAccountingEstimatesTable |
| 2020 |
Retrospective application and retrospective restatement [axis] |
Axis |
|
|
ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis |
| 2021 |
Currently stated [member] |
Member |
|
|
ifrs-full:RestatedMember |
| 2022 |
Increase (decrease) due to application of IFRS 16 [member] |
Member |
|
|
amx:IncreaseDecreaseDueToApplicationOfIFRS16Member |
| 2023 |
Range [axis] |
Axis |
|
|
ifrs-full:RangeAxis |
| 2024 |
Ranges [member] |
Member |
|
|
ifrs-full:RangesMember |
| 2025 |
Bottom of range [member] |
Member |
|
|
ifrs-full:BottomOfRangeMember |
| 2026 |
Top of range [member] |
Member |
|
|
ifrs-full:TopOfRangeMember |
| 2027 |
Disclosure of changes in accounting estimates [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfChangesInAccountingEstimatesLineItems |
| 2028 |
Right of use assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RightofuseAssets |
| 2029 |
Lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LeaseLiabilities |
| 2030 |
1136 - Disclosure - Subsequent Events - Additional Information (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSubsequentEventsAdditionalInformation |
| 2031 |
Disclosure of non-adjusting events after reporting period [table] |
Table |
* |
* |
ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable |
| 2032 |
Non-adjusting events after reporting period [axis] |
Axis |
|
|
ifrs-full:NonadjustingEventsAfterReportingPeriodAxis |
| 2033 |
Non-adjusting events after reporting period [member] |
Member |
|
|
ifrs-full:NonadjustingEventsMember |
| 2034 |
Major business combination [member] |
Member |
|
|
ifrs-full:MajorBusinessCombinationMember |
| 2035 |
Business combinations [axis] |
Axis |
|
|
ifrs-full:BusinessCombinationsAxis |
| 2036 |
Entity's total for business combinations [member] |
Member |
|
|
ifrs-full:EntitysTotalForBusinessCombinationsMember |
| 2037 |
Telefnica Mviles Guatemala S A [member] |
Member |
|
|
amx:TelefnicaMvilesGuatemalaSAMember |
| 2038 |
Telefnica Mviles El Salvador S A de C V [member] |
Member |
|
|
amx:TelefnicaMvilesElSalvadorSADeCVMember |
| 2039 |
Nextel Telecomunicacoes Ltda [member] |
Member |
|
|
amx:NextelTelecomunicacoesLtdaMember |
| 2040 |
Disclosure of non-adjusting events after reporting period [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems |
| 2041 |
Percentage of agreement to acquire |
Concept (Percent) |
As Of |
|
ifrs-full:PercentageOfVotingEquityInterestsAcquired |
| 2042 |
Purchase price paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ConsiderationPaidReceived |
| 2043 |
1137 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Statements of Financial Position (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementalGuarantorInformationCondensedConsolidatingStatementsOfFinancialPosition |
| 2044 |
Disclosure of information about consolidated structured entities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable |
| 2045 |
Consolidated and separate financial statements [axis] |
Axis |
|
|
ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis |
| 2046 |
Consolidated [member] |
Member |
|
|
ifrs-full:ConsolidatedMember |
| 2047 |
Parent [member] |
Member |
|
|
ifrs-full:ParentMember |
| 2048 |
Wholly-owned guarantor subsidiary [member] |
Member |
|
|
amx:WhollyOwnedGuarantorSubsidiariesMember |
| 2049 |
Combined non-guarantor subsidiaries [member] |
Member |
|
|
amx:CombinedNonGuarantorSubsidiariesMember |
| 2050 |
Eliminations [member] |
Member |
|
|
srt:ConsolidationEliminationsMember |
| 2051 |
Disclosure of information about consolidated structured entities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems |
| 2052 |
Assets: |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 2053 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 2054 |
Equity investments at fair value through OCI and other short-term investments |
Concept (Monetary) |
As Of |
Debit |
amx:EquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestments |
| 2055 |
Accounts receivable and derivative financial instruments |
Concept (Monetary) |
As Of |
Debit |
amx:AccountsReceivableAndDerivativeFinancialInstruments |
| 2056 |
Related parties |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties |
| 2057 |
Inventories, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 2058 |
Other current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentAssets |
| 2059 |
Property, plant and equipment, net |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 2060 |
Investments in associated companies |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 2061 |
Intangible assets and other non- current assets, net |
Concept (Monetary) |
As Of |
Debit |
amx:IntangibleAssetsAndOtherNoncurrentAssets |
| 2062 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 2063 |
Liabilities: |
Abstract |
|
|
ifrs-full:LiabilitiesAbstract |
| 2064 |
Short-term debt and current portion of long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 2065 |
Current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentPortionOfLongtermBorrowings |
| 2066 |
Long-term debt |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 2067 |
Other non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentLiabilities |
| 2068 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 2069 |
Equity attributable to equity holders of the parent |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAttributableToOwnersOfParent |
| 2070 |
Non-controlling interests |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterests |
| 2071 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 2072 |
Total liabilities and equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 2073 |
1138 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Statements of Comprehensive Income (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementalGuarantorInformationCondensedConsolidatingStatementsOfComprehensiveIncome |
| 2074 |
Disclosure of information about consolidated structured entities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable |
| 2075 |
Consolidated and separate financial statements [axis] |
Axis |
|
|
ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis |
| 2076 |
Consolidated [member] |
Member |
|
|
ifrs-full:ConsolidatedMember |
| 2077 |
Parent [member] |
Member |
|
|
ifrs-full:ParentMember |
| 2078 |
Wholly-owned guarantor subsidiary [member] |
Member |
|
|
amx:WhollyOwnedGuarantorSubsidiariesMember |
| 2079 |
Combined non-guarantor subsidiaries [member] |
Member |
|
|
amx:CombinedNonGuarantorSubsidiariesMember |
| 2080 |
Eliminations [member] |
Member |
|
|
srt:ConsolidationEliminationsMember |
| 2081 |
Disclosure of information about consolidated structured entities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems |
| 2082 |
Total revenues |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 2083 |
Total cost and operating expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 2084 |
Operating income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 2085 |
Interest (expense) income, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestRevenueExpense |
| 2086 |
Foreign currency exchange (loss) gain, net |
Concept (Monetary) |
For Period |
Credit |
amx:NetForeignExchangeGainLoss |
| 2087 |
Other financing cost, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherFinanceIncomeCost |
| 2088 |
Income tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2089 |
Equity interest in net income of associated companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod |
| 2090 |
Net profit (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 2091 |
Distribution of the net profit (loss) to: |
Abstract |
|
|
ifrs-full:ProfitLossAttributableToAbstract |
| 2092 |
Equity owners of holding company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 2093 |
Non-controlling interest |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 2094 |
Net profit (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromContinuingOperations |
| 2095 |
Other comprehensive income items: |
Abstract |
|
|
ifrs-full:OtherComprehensiveIncomeAbstract |
| 2096 |
Net other comprehensive income (loss) to be reclassified to profit or loss in subsequent years: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 2097 |
Effect of translation of foreign entities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax |
| 2098 |
Effect of fair value of derivatives, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax |
| 2099 |
Items not to be reclassified to profit or loss in subsequent years: |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 2100 |
Remeasurement of defined benefit plan, net of income tax effect |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 2101 |
Equity investments at fair value |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments |
| 2102 |
Total other comprehensive income (loss) items for the year, net of deferred taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 2103 |
Total comprehensive income (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 2104 |
Comprehensive income for the period attributable to: |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAttributableToAbstract |
| 2105 |
Equity holders of the parent |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent |
| 2106 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests |
| 2107 |
Total comprehensive income (loss) for the year |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 2108 |
1139 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Statements of Cash Flows (Detail) |
Network |
* |
* |
http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementalGuarantorInformationCondensedConsolidatingStatementsOfCashFlows |
| 2109 |
Disclosure of information about consolidated structured entities [table] |
Table |
* |
* |
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesTable |
| 2110 |
Consolidated and separate financial statements [axis] |
Axis |
|
|
ifrs-full:ConsolidatedAndSeparateFinancialStatementsAxis |
| 2111 |
Consolidated [member] |
Member |
|
|
ifrs-full:ConsolidatedMember |
| 2112 |
Parent [member] |
Member |
|
|
ifrs-full:ParentMember |
| 2113 |
Wholly-owned guarantor subsidiary [member] |
Member |
|
|
amx:WhollyOwnedGuarantorSubsidiariesMember |
| 2114 |
Combined non-guarantor subsidiaries [member] |
Member |
|
|
amx:CombinedNonGuarantorSubsidiariesMember |
| 2115 |
Eliminations [member] |
Member |
|
|
srt:ConsolidationEliminationsMember |
| 2116 |
Disclosure of information about consolidated structured entities [line items] |
LineItems |
|
|
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems |
| 2117 |
Operating activities: |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 2118 |
Profit before taxes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 2119 |
Non-cash items |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsToReconcileProfitLossOtherThanChangesInWorkingCapital |
| 2120 |
Changes in working capital: |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseInWorkingCapital |
| 2121 |
Net cash flows provided by operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 2122 |
Investing activities: |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 2123 |
Purchase of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 2124 |
Acquisition of intangibles |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities |
| 2125 |
Dividends received from associates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceivedFromAssociatesClassifiedAsInvestingActivities |
| 2126 |
Proceeds from sale of plant, property and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 2127 |
Acquisition of business, net of cash acquired |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities |
| 2128 |
Partial sale of shares of associate company |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfInterestsInAssociates |
| 2129 |
Investment in associates companies |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfInterestsInAssociates |
| 2130 |
Net cash flows provided by (used in) investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 2131 |
Financing activities: |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 2132 |
Bank loans, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities |
| 2133 |
Acquisition of no controlling interest |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsFromChangesInOwnershipInterestsInSubsidiaries |
| 2134 |
Interest paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestPaidClassifiedAsFinancingActivities |
| 2135 |
Paid-In capital |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromIssuingShares |
| 2136 |
Sale of shares of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
amx:ProceedsFromIssuingSharesInSubsidiaries |
| 2137 |
Repurchase of shares and others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PaymentsToAcquireOrRedeemEntitysShares |
| 2138 |
Payment of dividends |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidClassifiedAsFinancingActivities |
| 2139 |
Derivative financial instruments |
Concept (Monetary) |
For Period |
Debit |
amx:ProceedsFromDerivativeFinancialInstruments |
| 2140 |
Redemption of hybrid bond |
Concept (Monetary) |
For Period |
Debit |
amx:RedemptionOfHybridBond |
| 2141 |
Net cash flows used in financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 2142 |
Net (decrease) increase in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges |
| 2143 |
Adjustment to cash flow for exchange rate differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 2144 |
Cash and cash equivalents at beginning of the period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 2145 |
Cash and cash equivalents at end of the period |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |