AMERICA MOVIL SAB DE CV/ (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document and Entity Information Network

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http://imetrix.edgar-online.com/taxonomy/role/DocumentandEntityInformation
2 Document Information [Table] Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/StatementOfFinancialPositionCurrentNonCurrent-210000
25 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByFunctionOfExpense-310000
80 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/StatementOfChangesInEquity-610000
120 Statement of changes in equity [table] Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000
153 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfNotesAndOtherExplanatoryInformationExplanatory
212 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBasisOfPreparationOfConsolidatedFinancialStatementsAndSummaryOfSignificantAccountingPoliciesAndPracticesExplanatory
216 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCashAndCashEquivalentsExplanatory
220 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfEquityInvestmentsAtFairValueThroughOtherComprehensiveIncomeAndOtherShorttermInvestmentsExplanatory
224 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfTradeAndOtherReceivablesExplanatory
228 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfRelatedPartyExplanatory
232 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfDerivativeFinancialInstrumentsExplanatory
236 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfInventoriesExplanatory
240 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfOtherAssetsExplanatory
244 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfPropertyPlantAndEquipmentExplanatory
248 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIntangibleAssetsExplanatory
252 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBusinessCombinationsAcquisitionsSaleAndNoncontrollingInterestExplanatory
256 Implied Table Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfIncomeTaxExplanatory
260 Implied Table Table

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261 Text block [abstract] Abstract amx:TextBlockAbstract
262 Income Taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
263 1020 - Disclosure - Debt Network

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http://imetrix.edgar-online.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfBorrowingsExplanatory
264 Implied Table Table

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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

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270 Accounts payable, accrued liabilities and asset retirement obligations Concept (Text Block (HTML)) For Period amx:DisclosureOfAccountsPayableAccruedLiabilitiesAndAssetRetirementObligationsExplanatory
271 1022 - Disclosure - Commitments and Contingencies Network

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275 1023 - Disclosure - Employee Benefits Network

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278 Employee Benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
279 1024 - Disclosure - Financial Assets and Liabilities Network

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282 Financial Assets and Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
283 1025 - Disclosure - Shareholders' Equity Network

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286 Shareholders' Equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
287 1026 - Disclosure - Components of other comprehensive (loss) income Network

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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

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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

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298 Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
299 1029 - Disclosure - Recently Issued Accounting Standards Network

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302 Recently Issued Accounting Standards Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesAccountingEstimatesAndErrorsExplanatory
303 1030 - Disclosure - Subsequent Events Network

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306 Subsequent Events Concept (Text Block (HTML)) For Period amx:DisclosureOfSubsequentExplanatory
307 1031 - Disclosure - Supplemental Guarantor Information Network

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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

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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 amx:DescriptionOfAccountingPolicyForSignificantAccountingJudgmentsEstimatesAndAssumptionsExplanatory
342 Retrospective adjustment Concept (Text Block (HTML)) For Period amx:DisclosureOfAccountingPolicyForRetrospectiveChangesInClassificationExplanatory
343 1033 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices (Tables) Network

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346 Schedule of Effect of Adoption of IFRS 15 Concept (Text Block (HTML)) For Period amx:DisclosureOfEffectsOfAdoptionOfIfrs15Explanatory
347 Schedule of Impact of Adoption IFRS 15 on Company's Financial Statements Concept (Text Block (HTML)) For Period amx:DisclosureOfImpactOfAdoptionOfIFRS15OnCompanysFinancialStatementsExplanatory
348 Schedule of Effect of Adoption of IFRS 9 in Retained Earnings and Other Components of Equity Concept (Text Block (HTML)) For Period amx:DisclosureOfEffectOfAdoptionOfIFRS9InRetainedEarningsAndOtherComponentsOfEquityExplanatory
349 Schedule of Impact in Consolidated Financial Statements upon Application of Hyperinflation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfHyperinflationaryReportingExplanatory
350 Summary of Equity Interest in Most Significant Subsidiaries Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
351 Summary of Annual Depreciation Rates Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory
352 Summary of Most Significant Forward Looking Estimates Used for Impairment Evaluations Concept (Text Block (HTML)) For Period amx:DisclosureOfEstimateImpairmentEvaluationExplanatory
353 Summary of Exchange Rates Used forTranslation of Foreign Currencies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory
354 Summary of Retrospective Reclassification of Financial Statements Concept (Text Block (HTML)) For Period amx:DisclosureOfRetrospectiveAdjustmentsOfFinancialStatementsExplanatory
355 1034 - Disclosure - Accounts receivable from subscribers, distributors, recoverable taxes contractual assets and other, net (Tables) Network

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359 Receivable from subscribers and distributors [member] Member amx:ReceivableFromSubscribersAndDistributorsMember
360 Statement [LineItems] LineItems amx:StatementLineItems
361 Summary of Analysis of Accounts Receivable by Component Concept (Text Block (HTML)) For Period amx:DisclosureOfAccountsReceivableByComponentExplanatory
362 Schedule of Changes in Allowance for Expected Credit Losses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAllowanceForCreditLossesExplanatory
363 Summary of Aging of Accounts Receivable Concept (Text Block (HTML)) For Period amx:DisclosureOfAgingOfAccountsReceivablesExplanatory
364 Summary of Accounts Receivable from Subscribers and Distributors Included in the Allowance for Doubtful Accounts Concept (Text Block (HTML)) For Period amx:DisclosureOfChangeInAllowanceForBadDebtsExplanatory
365 Summary of Analysis of Contract Assets and Liabilities Concept (Text Block (HTML)) For Period amx:DisclosureOfAnalysisOfContractAssetsAndLiabilitiesExplanatory
366 1035 - Disclosure - Related Parties (Tables) Network

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369 Summary of Analysis of the Balances with Related Parties Concept (Text Block (HTML)) For Period amx:DisclosureOfReceivablesAndPayablesArisingFromRelatedPartyTransactionsExplanatory
370 Summary of Transactions with Related Parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
371 1036 - Disclosure - Derivative Financial Instruments (Tables) Network

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374 Schedule of Derivative Financial Instruments Contracted Concept (Text Block (HTML)) For Period amx:DisclosureOfDerivativeFinancialInstrumentsContractExplanatory
375 Summary of Maturities of Notional Amount of Derivatives Concept (Text Block (HTML)) For Period amx:DisclosureOfNotionalAmountsOfDerivativesExplanatory
376 1037 - Disclosure - Inventories, net (Tables) Network

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379 Summary of Analysis of Inventories Concept (Text Block (HTML)) For Period amx:DisclosureOfDetailedInformationAboutInventoriesExplanatory
380 1038 - Disclosure - Other assets, net (Tables) Network

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383 Summary of Analysis of Other Assets Concept (Text Block (HTML)) For Period amx:DisclosureOfInformationAboutOtherAssetsExplanatory
384 1039 - Disclosure - Property, Plant and Equipment, Net (Tables) Network

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388 Property, plant and equipment under capital leases [member] Member amx:PropertyPlantAndEquipmentUnderCapitalLeasesMember
389 Statement [LineItems] LineItems amx:StatementLineItems
390 Schedule of Property, Plant and Equipment, Net Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
391 Schedule of Relevant Information Related to Computation of Capitalized Borrowing Costs Concept (Text Block (HTML)) For Period amx:DisclosureOfCapitalizedBorrowingCostsExplanatory
392 1040 - Disclosure - Intangible assets, net and goodwill (Tables) Network

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395 Summary of Analysis of Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
396 Summary of Aggregate Carrying Amount of Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
397 1041 - Disclosure - Business combinations, acquisitions, sale and non-controlling interest (Tables) Network

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400 Summary of Selected Financial Data From Statements of Financial Position Concept (Text Block (HTML)) For Period amx:DisclosureOfSelectedFinancialDataFromStatementsOfFinancialPositionExplanatory
401 Summary of Statements of Comprehensive Income Concept (Text Block (HTML)) For Period srt:CondensedStatementOfComprehensiveIncomeTableTextBlock
402 1042 - Disclosure - Income Taxes (Tables) Network

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406 Summary of Deferred Tax Related to Items Recognized in OCI Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
407 Summary of Reconciliation of Statutory Income Tax Rate in Mexico to Consolidated Effective Income Tax Rate Recognized Concept (Text Block (HTML)) For Period amx:DisclosureOfReconciliationOfEffectiveTaxRateExplanatory
408 Summary of Analysis of Temporary Differences Giving Rise to Net Deferred Tax Liability Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
409 Summary of Reconciliation of Deferred Tax Assets and Liabilities, Net Concept (Text Block (HTML)) For Period amx:DisclosureOfReconciliationOfChangesInDeferredTaxLiabilityAssetExplanatory
410 Summary of Combined Income before Taxes and Combined Provision for Taxes Concept (Text Block (HTML)) For Period amx:DisclosureOfCombinedIncomeBeforeTaxesAndTheCombinedProvisionForTaxesExplanatory
411 Available Tax Loss Carryforwards Recorded in Deferred Tax Assets Concept (Text Block (HTML)) For Period amx:DisclosureOfBreakdownOfAvailableTaxLossCarryForwardExplanatory
412 1043 - Disclosure - Debt (Tables) Network

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415 Summary of Short- and Long-Term Debt Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
416 Summary of Short Term Debt Maturities Concept (Text Block (HTML)) For Period amx:DisclosureOfShortTermBorrowingsExplanatory
417 Summary of Long Term Debt Maturities Concept (Text Block (HTML)) For Period amx:DisclosureOfLongTermBorrowingsExplanatory
418 Summary of Senior Notes Outstanding Concept (Text Block (HTML)) For Period amx:DisclosureOfSeniorNotesOutstandingExplanatory
419 1044 - Disclosure - Accounts payable, accrued liabilities and asset retirement obligations (Tables) Network

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422 Components Accounts Payable and Accrued Liabilities Concept (Text Block (HTML)) For Period amx:DisclosureOfAccountsPayableAndAccruedLiabilitiesExplanatory
423 Summary of Balance of Accrued Liabilities Concept (Text Block (HTML)) For Period amx:DisclosureOfAccruedLiabilitiesExplanatory
424 Summary of Movements in Contingent Liabilities Concept (Text Block (HTML)) For Period amx:DisclosureOfMovementsInContingenciesExplanatory
425 Summary of Movements in Asset Retirement Obligations Concept (Text Block (HTML)) For Period amx:DisclosureOfAssetRetirementObligationsExplanatory
426 1045 - Disclosure - Commitments and Contingencies (Tables) Network

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429 Schedule of Non-Cancelable Commitments under Finance and Operating Leases Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory
430 Purchase Commitments Concept (Text Block (HTML)) For Period amx:DisclosureOfPurchaseCommitmentsExplanatory
431 1046 - Disclosure - Employee Benefits (Tables) Network

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435 Summary of Defined Benefit Obligation (DBO) and Plan Assets for the Pension and Other Benefit Obligation Plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory
436 Summary of the Actuarial Results Generated for the Pension and Retirement Plans as well as the Medical Services Concept (Text Block (HTML)) For Period amx:DisclosureOfActuarialResultsGeneratedForThePensionAndRetirementPlansExplanatory
437 Schedule of Plan Assets Invested Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory
438 Summary of Assumptions Used in Determining the Net Period Cost Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
439 Summary of Increase (Decrease) Would Have Resulted in the DBO Pension and Other Benefits Concept (Text Block (HTML)) For Period amx:DisclosureOfKeyFinancialActuarialAssumptionsExplanatory
440 Summary of Long-Term Direct Employee Benefits Concept (Text Block (HTML)) For Period amx:DisclosureOfLongTermDirectEmployeeBenefitsExplanatory
441 1047 - Disclosure - Financial Assets and Liabilities (Tables) Network

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444 Summary of Categorization of the Financial Instruments, Excluding Cash and Cash Equivalents Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
445 Summary of Fair Value for the Financial Assets (Excluding Cash and Cash Equivalents) and Financial Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueMeasurementOfAssetsExplanatory
446 Summary of Changes in Liabilities Arising From Financing Activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
447 1048 - Disclosure - Shareholders' Equity (Tables) Network

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450 Summary of Computation of The Basic and Diluted Earnings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
451 1049 - Disclosure - Components of other comprehensive (loss) income (Tables) Network

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454 Summary of Movement on the Components of the Other Comprehensive (Loss) Income Concept (Text Block (HTML)) For Period amx:DisclosureOfDetailInfprmationOfComponentsOfOtherComprehensiveLossIncomeExplanatory
455 1050 - Disclosure - Valuation of derivatives, interest cost from labor obligations and other financial items, net (Tables) Network

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458 Schedule of Valuation of Derivatives and Other Financial Items Concept (Text Block (HTML)) For Period amx:DisclosureOfValuationOfDerivativesAndOtherFinancialItemsExplanatory
459 1051 - Disclosure - Segments (Tables) Network

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461 Text block [abstract] Abstract amx:TextBlockAbstract
462 Summary of Operating Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
463 1052 - Disclosure - Supplemental Guarantor Information (Tables) Network

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466 Schedule of Consolidating Condensed Financial Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesExplanatory
467 1053 - Disclosure - Description of the Business and Relevant Events - Additional Information (Detail) Network

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471 Number of countries in which company operates Concept (Integer) As Of amx:NumberOfCountriesInWhichEntityOperates2
472 Number of countries in which company holds license Concept (Integer) As Of amx:NumberOfCountriesWhereEntityHoldsLicenses
473 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) Network

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492 Deferred income taxes Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
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513 Disclosure of subsidiaries [table] Table

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535 1056 - Disclosure - Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Additional Information (Detail) Network

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608 Disclosure of subsidiaries [table] Table

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640 Disclosure Of Corporate Information [table] Table

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651 Disclosure of subsidiaries [table] Table

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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

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712 Disclosure of Impairment of Assets [table] Table

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784 Disclosure of Equity investments at fair value through Other Comprehensive Income and other short-term investments [table] Table

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785 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
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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

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797 Disclosure of Accounts receivable [table] Table

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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

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814 Disclosure of Accounts receivable [table] Table

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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

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822 Implied Table Table

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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

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831 Disclosure of Accounts receivable [table] Table

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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

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850 Disclosure of Accounts receivable [table] Table

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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

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861 Implied Table Table

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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

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872 Disclosure of receivables and payables arising from related party transactions [table] Table

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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

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890 Disclosure of transactions between related parties [table] Table

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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

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899 Implied Table Table

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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

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910 Disclosure of transactions between related parties [table] Table

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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

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922 Disclosure of detailed information about financial instruments [table] Table

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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

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933 Disclosure of detailed information about financial instruments [table] Table

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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

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961 Disclosure of detailed information about financial instruments [table] Table

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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

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988 Implied Table Table

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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

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994 Implied Table Table

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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

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998 Implied Table Table

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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

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1012 Disclosure of other assets [Table] Table

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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

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1019 Implied Table Table

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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

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1023 Disclosure of detailed information about property, plant and equipment [table] Table

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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
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1043 Ending balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
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1045 Disclosure of detailed information about property, plant and equipment [table] Table

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1050 Land and buildings and other equipment [member] Member amx:LandAndBuildingsAndOtherEquipmentMember
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1061 Estimated useful life of property, plant and equipment decription Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
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1064 Number of transponders Concept (Integer) For Period amx:NumberOfTransponders
1065 Network Capacity Concept (Decimal) For Period amx:NetworkCapacity
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1067 Estimated cost of project Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
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1080 Disclosure of detailed information about property, plant and equipment [table] Table

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1086 Capitalized interest Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
1087 Capitalization rate Concept (Percent) For Period ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation
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1095 Software licenses [member] Member amx:ComputerSoftwareLicensesMember
1096 Content rights [member] Member amx:ContentRightsMember
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1098 Goodwill [member] Member ifrs-full:GoodwillMember
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1101 Cost [member] Member ifrs-full:GrossCarryingAmountMember
1102 Accumulated depreciation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
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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
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1111 1090 - Disclosure - Intangible Assets, Net and Goodwill - Summary of Aggregate Carrying Amount of Goodwill (Detail) Network

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1112 Disclosure of Carrying Value of Goodwill [table] Table

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1137 Radiomovil Dipsa S A de C V (Telcel) [member] Member amx:RadiomovilDipsaSADeCVAndSubsidiariesTelcelBMember
1138 Mtel Bulgaria [member] Member amx:MtelBulgariaMember
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1149 700 MHz frequency band [member] Member amx:SevenHundredMegaHertzFrequencyBandMember
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1155 Renewal of license [member] Member amx:RenewalOfLicenseMember
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1164 1092 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Additional Information (Details) (Detail) Network

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1198 1093 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Summary of Selected Financial Data From Statements of Financial Position (Detail) Network

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1199 Disclosure of detailed information about business combination [table] Table

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1216 1094 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Summary of Selected Financial Data From Statements of Financial Position (Parenthetical) (Detail) Network

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1217 Disclosure of detailed information about business combination [table] Table

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1223 1095 - Disclosure - Business Combinations, Acquisitions, Sale and Non-controlling Interest - Summary of Statements of Comprehensive Income (Detail) Network

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1224 Disclosure of detailed information about business combination [table] Table

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1242 1096 - Disclosure - Income Taxes - Summary of Composition of Income Tax Expense (Detail) Network

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1243 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1252 1097 - Disclosure - Income Taxes - Summary of Deferred Tax Related to Items Recognized in OCI (Detail) Network

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1253 Implied Table Table

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1260 1098 - Disclosure - Income Taxes - Summary of Reconciliation of Statutory Income Tax Rate in Mexico to Consolidated Effective Income Tax Rate Recognized (Detail) Network

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1261 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1278 1099 - Disclosure - Income Taxes - Summary of Analysis of Temporary Differences Giving Rise to Net Deferred Tax Liability (Detail) Network

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1279 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1294 Implied Table Table

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1298 Translation effect Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset
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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureIncomeTaxesAdditionalInformation
1310 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1320 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
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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

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1337 Implied Table Table

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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

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1342 Disclosure Of Tax Losses Available For Carryforward [table] Table

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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

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1354 Disclosure of detailed information about borrowings [table] Table

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1361 Swiss francs [,ember] Member currency:CHF
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1363 Japanese yens [member] Member currency:JPY
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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
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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
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1386 Fixed Rate Senior Notes Interest Rate 6.000% Maturing 2019 [member] Member amx:FixedRateSeniorNotesInterestRateSixPointZeroPercentageMaturing2019Member
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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
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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
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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
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1419 Debenture 104.000% of CDI maturing 2021 [member] Member amx:DebentureInterestRateOneHundredAndFourPointZeroPercentageOfCdiMaturing2021Member
1420 Debenture 104.250% of CDI maturing 2021 [member] Member amx:DebentureInterestRateOneHundredAndFourPointTwoFiveZeroPercentageOfCdiMaturing2021Member
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1423 Hybrid Notes [member] Member amx:HybridNotesMember
1424 LIBOR [member] Member amx:LIBORMember
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1426 Brazil Interbank Deposit Rate [member] Member amx:BrazilInterbankDepositRateMember
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1428 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
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1430 Interbank certificate of deposit interest rate basis Concept (Text/String) For Period amx:InterbankCertificateOfDepositInterestRateBasis
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1432 Adjustment of interbank certificate of deposit Concept (Percent) For Period amx:AdjustmentOfInterbankCertificateOfDepositInterest
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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtAdditionalInformation
1439 Disclosure of detailed information about borrowings [table] Table

*

*

ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
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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
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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
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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

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1487 Disclosure of detailed information about borrowings [table] Table

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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

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1500 Disclosure of detailed information about borrowings [table] Table

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1505 2022 [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureDebtSummaryOfSeniorNotesOutstanding
1510 Disclosure of detailed information about borrowings [table] Table

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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
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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

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1527 Implied Table Table

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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

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1536 Implied Table Table

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1539 Direct employee benefits payable Concept (Monetary) As Of Credit ifrs-full:ShorttermEmployeeBenefitsAccruals
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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

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1543 Implied Table Table

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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

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1553 Implied Table Table

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1556 Effect of translation Concept (Monetary) For Period Debit amx:EffectOfExchangeRateChangesOnAssetRetirementObligationsNoncurrent
1557 Increase of the year Concept (Monetary) For Period Debit amx:IncreaseDecreaseInAssetRetirementObligationsDuringPeriodNoncurrent
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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfNonCancelableCommitmentsUnderFinanceLeases
1562 Disclosure of Finance Lease and Operating Lease by Lessee [Table] Table

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*

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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfNonCancelableCommitmentsUnderOperatingLeases
1579 Disclosure of Finance Lease and Operating Lease by Lessee [Table] Table

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*

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

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*

http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformation
1591 Disclosure Of Commitments And Contingencies [table] Table

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*

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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfPurchaseCommitments
1647 Disclosure of Commitments [Table] Table

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*

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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAnalysisOfNetLiabilityAndNetPeriodCostForEmployeeBenefit
1663 Disclosure of Net Defined Benefit Liability (Asset) [Table] Table

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*

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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfDefinedBenefitObligationDBOAndPlanAssetsForPensionAndOtherBenefitObligationPlans
1676 Disclosure of Defined Benefit Plans [Table] Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfTheActuarialResultsGeneratedForThePensionAndRetirementPlansAsWellAsTheMedicalServices
1694 Disclosure Of Actuarial Results Generated For The Pension And Retirement Plans [table] Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsAdditionalInformation
1730 Disclosure of Defined Benefit Plans [Table] Table

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*

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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsScheduleOfPlanAssetsInvested
1789 Disclosure of fair value of plan assets [table] Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfAssumptionsUsedInDeterminingTheNetPeriodCost
1801 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureEmployeeBenefitsSummaryOfIncreaseDecreaseWouldHaveResultedInTheDBOPensionAndOtherBenefits
1825 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

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*

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
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1836 DBO pension and other benefits Concept (Monetary) As Of Credit ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption
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1838 Implied Table Table

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1861 Fair value through OCI [member] Member ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeCategoryMember
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1898 Implied Table Table

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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
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1904 1129 - Disclosure - Shareholders' Equity - Additional Information (Detail) Network

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1905 Disclosure of classes of share capital [table] Table

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1910 Capital Stock Class L Limited Voting Rights [member] Member amx:CapitalStockClassLLimitedVotingRightsMember
1911 Capital Stock Class Aa [member] Member amx:CapitalStockClassAaMember
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1933 Dividends paid Concept (Share) For Period ifrs-full:DividendsPaidOrdinarySharesPerShare
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1935 Periodic payable date of dividend Concept (Text/String) For Period amx:PeriodicPayableDateOfDividend
1936 Number of additional shares Concept (Shares) For Period amx:DividendsPaidInOrdinaryShares
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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

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1943 Implied Table Table

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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

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1949 Disclosure of analysis of other comprehensive income by item [table] Table

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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

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1962 Implied Table Table

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1965 Capitalized interest expense (Note 10 d) Concept (Monetary) For Period ifrs-full:InterestCostsCapitalised
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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
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1974 Disclosure of operating segments [table] Table

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1976 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
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1979 Percentage of entity revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1980 Percentage of taxable profit Concept (Percent) For Period amx:PercentageOfTaxableProfit
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1982 1134 - Disclosure - Segments - Summary of Operating Segments (Detail) Network

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1983 Disclosure of operating segments [table] Table

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1985 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
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1988 Segments [axis] Axis ifrs-full:SegmentsAxis
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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
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2001 External revenues Concept (Monetary) For Period Credit amx:RevenueFromExternalCustomers
2002 Intersegment revenues Concept (Monetary) For Period Credit amx:IntersegmentRevenue
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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

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2019 Disclosure of changes in accounting estimates [table] Table

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2031 Disclosure of non-adjusting events after reporting period [table] Table

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2036 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
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2043 1137 - Disclosure - Supplemental Guarantor Information - Condensed Consolidating Statements of Financial Position (Detail) Network

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2044 Disclosure of information about consolidated structured entities [table] Table

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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

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2074 Disclosure of information about consolidated structured entities [table] Table

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2087 Other financing cost, net Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncomeCost
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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

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureSupplementalGuarantorInformationCondensedConsolidatingStatementsOfCashFlows
2109 Disclosure of information about consolidated structured entities [table] Table

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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

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