TIM S.p.A. (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 Implied Table Table

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implied:Table
3 Document and entity information [abstract] Abstract ti:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
17 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
18 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
19 1003 - Statement - Consolidated Statements of Financial Position Network

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

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implied:Table
21 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
22 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
23 Intangible assets Abstract ifrs-full:IntangibleAssetsAndGoodwillAbstract
24 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
25 Intangible assets with a finite useful life Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
26 Intangible assets and goodwill Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
27 Tangible assets Abstract ti:TangibleAssetsAbstract
28 Property, plant and equipment owned Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
29 Assets held under finance leases Concept (Monetary) As Of Debit ifrs-full:RecognisedFinanceLeaseAsAssets
30 Tangible assets Concept (Monetary) As Of Debit ti:TangibleAssets
31 Other non-current assets Abstract ifrs-full:MiscellaneousNoncurrentAssetsAbstract
32 Investments in associates and joint ventures accounted for using the equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
33 Other investments Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
34 Non-current financial assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssets
35 Miscellaneous receivables and other non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
36 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
37 Other non current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
38 TOTAL NON-CURRENT ASSETS (A) Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
39 CURRENT ASSETS Abstract ifrs-full:CurrentAssetsAbstract
40 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
41 Trade and miscellaneous receivables and other current assets Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
42 Current income tax receivables Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
43 Current financial assets Abstract ifrs-full:CategoriesOfCurrentFinancialAssetsAbstract
44 Securities other than investments, financial receivables and other current financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
45 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
46 Current financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
47 Current assets sub-total Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
48 Discontinued operations /Non-current assets held for sale Abstract ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract
49 of a financial nature Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
50 of a non-financial nature Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForDistributionToOwners
51 TOTAL CURRENT ASSETS (B) Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
52 TOTAL ASSETS Concept (Monetary) As Of Debit ifrs-full:Assets
53 EQUITY AND LIABILITIES Abstract ifrs-full:EquityAndLiabilitiesAbstract
54 Equity Abstract ifrs-full:EquityAbstract
55 Share capital issued Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
56 Less: treasury shares Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
57 Share capital Concept (Monetary) As Of Credit ti:ShareCapital
58 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
59 Other reserves and retained earnings (accumulated losses), including profit (loss) for the year Concept (Monetary) As Of Credit ti:OtherReservesAndRetainedEarnings
60 Equity attributable to owners of the Parent Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
61 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
62 TOTAL EQUITY (A) Concept (Monetary) As Of Credit ifrs-full:Equity
63 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
64 Non-current financial liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilities
65 Employee benefits Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisionsForEmployeeBenefits
66 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
67 Provisions Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
68 Miscellaneous payables and other non-current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousPayablesAndOtherNoncurrentLiabilities
69 TOTAL NON-CURRENT LIABILITIES (B) Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
70 CURRENT LIABILITIES Abstract ifrs-full:CurrentLiabilitiesAbstract
71 Current financial liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilities
72 Trade and miscellaneous payables and other current liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
73 Current income tax payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
74 Current liabilities sub-total Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilitiesOtherThanLiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
75 Liabilities directly associated with Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Credit ti:LiabilitiesDirectlyAssociatedWithDiscontinuedOperations
76 of a financial nature Concept (Monetary) As Of Credit ti:LiabilitiesDirectlyAssociatedWithDiscontinuedOperationsFinancialNature
77 of a non-financial nature Concept (Monetary) As Of Credit ti:LiabilitiesDirectlyAssociatedWithDiscontinuedOperationsNonFinancialNature
78 TOTAL CURRENT LIABILITIES (C) Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
79 TOTAL LIABILITIES (D=B+C) Concept (Monetary) As Of Credit ifrs-full:Liabilities
80 TOTAL EQUITY AND LIABILITIES (A+D) Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
81 1004 - Statement - Separate Consolidated Income Statements Network

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

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implied:Table
83 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
84 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
85 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
86 Total operating revenues and other income Concept (Monetary) For Period Credit ifrs-full:RevenueAndOperatingIncome
87 Acquisition of goods and services Concept (Monetary) For Period Debit ti:AcquisitionOfGoodsAndServices
88 Employee benefits expenses Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
89 Other operating expenses Concept (Monetary) For Period Debit ifrs-full:MiscellaneousOtherOperatingExpense
90 Change in inventories Concept (Monetary) For Period Debit ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress
91 Internally generated assets Concept (Monetary) For Period Debit ti:InternallyGeneratedAssets
92 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
93 Gains (losses) on disposals of non-current assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
94 Impairment reversals (losses) on non-current assets Concept (Monetary) For Period Credit ti:ImpairmentReversalsLossesOnNoncurrentAssets
95 Operating profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
96 Share of profits (losses) of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
97 Other income (expenses) from investments Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
98 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
99 Finance expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
100 Profit (loss) before tax from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
101 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
102 Profit (loss) from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
103 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
104 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
105 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
106 Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
107 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
108 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
109 Basic Earnings Per Share (EPS) Abstract ifrs-full:BasicEarningsPerShareAbstract
110 Ordinary Share Concept (Share) For Period ti:BasicEarningsLossOrdinarySharesPerShare
111 Savings Share Concept (Share) For Period ti:BasicEarningsLossSavingSharePerShare
112 From continuing operations attributable to Owners of the Parent Abstract ti:BasicEarningsPerShareAttributableToParentAbstract
113 Ordinary Share Concept (Share) For Period ti:BasicEarningsLossPerShareFromContinuingOperationsOrdinaryShares
114 Savings Share Concept (Share) For Period ti:BasicEarningsLossPerShareFromContinuingOperationsSavingsShares
115 Diluted Earnings Per Share (EPS) Abstract ifrs-full:DilutedEarningsPerShareAbstract
116 Ordinary Share Concept (Share) For Period ti:DilutedEarningsLossOrdinarySharesPerShare
117 Savings Share Concept (Share) For Period ti:DilutedEarningsLossSavingSharePerShare
118 From continuing operations attributable to Owners of the Parent Abstract ti:DilutedEarningsPerShareAttributableToParentAbstract
119 Ordinary Share Concept (Share) For Period ti:DilutedEarningsLossPerShareFromContinuingOperationsOrdinaryShares
120 Savings Share Concept (Share) For Period ti:DilutedEarningsLossPerShareFromContinuingOperationsSavingsShares
121 1005 - Statement - Consolidated Statements of Comprehensive Income Network

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http://imetrix.edgar-online.com/taxonomy/role/StatementOfComprehensiveIncomeOCIComponentsPresentedNetOfTax-410000
122 Implied Table Table

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implied:Table
123 Statement of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
124 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
125 Other components of the Consolidated Statement of Comprehensive Income Abstract ifrs-full:OtherComprehensiveIncomeAbstract
126 Other components that will not be reclassified subsequently to Separate Consolidated Income Statement Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
127 Financial assets measured at fair value through other comprehensive income: Abstract ti:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossAbstract
128 Profit (loss) from fair value adjustments Concept (Monetary) For Period Credit ti:ProfitLossFromFairValueAdjustmentThatWillNotBeReclassifiedToProfitOrLoss
129 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
130 Financial assets measured at fair value through other comprehensive income Concept (Monetary) For Period Credit ti:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
131 Remeasurements of employee defined benefit plans (IAS19): Abstract ti:RemeasurementsOfEmployeeDefinedBenefitPlansAbstract
132 Actuarial gains (losses) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
133 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome
134 Re-measurements of employees defined benefit plans, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
135 Share of other comprehensive income (loss) of associates and joint ventures accounted for using the equity method: Abstract ti:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract
136 Profit (loss) Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax
137 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLoss
138 Share of other comprehensive income of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax
139 Total other components that will not be reclassified subsequently to Separate Consolidated Income Statement Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax
140 Other components that will be reclassified subsequently to Separate Consolidated Income Statement Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
141 Financial assets measured at fair value through other comprehensive income: Abstract ti:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract
142 Profit (loss) from fair value adjustments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTax
143 Loss (profit) transferred to Separate Consolidated Income Statement Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsBeforeTax
144 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome
145 Financial assets measured at fair value through other comprehensive income Concept (Monetary) For Period Credit ti:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
146 Hedging instruments: Abstract ifrs-full:CashFlowHedgesAbstract
147 Profit (loss) from fair value adjustments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesBeforeTax
148 Loss (profit) transferred to Separate Consolidated Income Statement Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax
149 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome
150 Hedging instruments, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges
151 Exchange differences on translating foreign operations: Abstract ifrs-full:ExchangeDifferencesOnTranslationAbstract
152 Profit (loss) on translating foreign operations Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
153 Loss (profit) on translating foreign operations transferred to Separate Consolidated Income Statement Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationBeforeTax
154 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToExchangeDifferencesOnTranslationOfOtherComprehensiveIncome
155 Exchange differences on translating foreign operations, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation
156 Share of other comprehensive income (loss) of associates and joint ventures accounted for using the equity method: Abstract ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodNetOfTaxAbstract
157 Loss (profit) transferred to Separate Consolidated Income Statement Concept (Monetary) For Period Debit ti:ReclassificationAdjustmentsOnShareOfOtherComprehensiveImcomeLossOfAssociatesAndJointVenturesBeforeTax
158 Income tax effect Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLoss
159 Share of other comprehensive income (loss) of associates and joint ventures accounted for using the equity method, net of tax Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
160 Total other components that will be reclassified subsequently to Separate Consolidated Income Statement Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
161 Total other components of the Consolidated Statement of Comprehensive Income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
162 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
163 Attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
164 Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
165 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
166 Total comprehensive income (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
167 1006 - Statement - Consolidated Statements of Changes in Equity Network

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

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ifrs-full:StatementOfChangesInEquityTable
169 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
170 Equity [member] Member ifrs-full:EquityMember
171 Share capital [member] Member ifrs-full:IssuedCapitalMember
172 Additional paid-in capital [member] Member ifrs-full:AdditionalPaidinCapitalMember
173 Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member] Member ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember
174 Reserve for hedging instruments [member] Member ifrs-full:ReserveOfGainsAndLossesOnHedgingInstrumentsThatHedgeInvestmentsInEquityInstrumentsMember
175 Reserve for exchange differences on translating foreign operations [member] Member ifrs-full:ReserveOfExchangeDifferencesOnTranslationMember
176 Reserve for remeasurements of employee defined benefit plans (IAS 19) [member] Member ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
177 Share of other comprehensive income (loss) of associates and joint ventures accounted for using the equity method [member] Member ti:ShareOfOtherComprehensiveIncomeLossOfAssociatesAndJointVenturesAccountedForEquityMethodMember
178 Sundry reserves and retained earnings (accumulated losses), including profit (loss) for the year [member] Member ifrs-full:RetainedEarningsMember
179 Equity attributable to owners of the parent [member] Member ifrs-full:EquityAttributableToOwnersOfParentMember
180 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
181 Reserve for available-for-sale financial assets [member] Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
182 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
183 Currently stated [member] Member ifrs-full:RestatedMember
184 Adjustment [member] Member ti:AdjustmentMember
185 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
186 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
187 IFRS 9 and IFRS 15 [member] Member ti:IFRS9AndIFRS15Member
188 Statement of changes in equity [line items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
189 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:Equity
190 Adoption of IFRS 15 and IFRS 9 Concept (Monetary) For Period Credit ifrs-full:ChangesInEquity
191 Dividends approved Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
192 Total comprehensive income (loss) for the period Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
193 Disposal of the Sofora-Telecom Argentina group Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughDisposalOfSubsidiary
194 Conversion of the Guaranteed Subordinated Mandatory Convertible Bonds due 2016 Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
195 Grant of equity instruments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
196 Other changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
197 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
198 1007 - Statement - Consolidated Statements of Cash Flows Network

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

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implied:Table
200 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
201 CASH FLOWS FROM OPERATING ACTIVITIES: Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
202 Profit (loss) from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
203 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
204 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
205 Impairment losses (reversals) on non-current assets (including investments) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
206 Net change in deferred tax assets and liabilities Concept (Monetary) For Period Debit ti:AdjustmentsForNetDeferredTaxAssetsAndLiabilities
207 Losses (gains) realized on disposals of non-current assets (including investments) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
208 Share of losses (profits) of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
209 Change in provisions for employee benefits Concept (Monetary) For Period Debit ti:AdjustmentsForDecreaseIncreaseInProvisionsForEmployeeBenefits
210 Change in inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
211 Change in trade receivables and net amounts due from customers on construction contracts Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
212 Change in trade payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
213 Net change in current income tax receivables/payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
214 Net change in miscellaneous receivables/payables and other assets/liabilities Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsOperatingActivities
215 CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES (A) Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
216 CASH FLOWS FROM INVESTING ACTIVITIES: Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
217 Purchase of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
218 Purchase of tangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
219 Total purchase of intangible and tangible assets on an accrual basis Concept (Monetary) For Period Credit ti:PurchaseOfIntangibleAndTangibleAssetsOnAccrualBasisClassifiedAsInvestingActivities
220 Change in amounts due for purchases of intangible and tangible assets Concept (Monetary) For Period Credit ti:ChangeInPurchasesOfIntangibleAndTangibleAssetsClassifiedAsInvestingActivities
221 Total purchase of intangible and tangible assets on a cash basis Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
222 Capital grants received Concept (Monetary) For Period Debit ti:ProceedsFromCapitalGrants
223 Acquisition of control of companies or other businesses, net of cash acquired Concept (Monetary) For Period Credit ifrs-full:ConsiderationPaidReceived
224 Acquisitions/disposals of other investments Concept (Monetary) For Period Debit ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities
225 Change in financial receivables and other financial assets (excluding hedging and non-hedging derivatives under financial assets) Concept (Monetary) For Period Debit ti:AdjustmentsForDecreaseIncreaseInFinanceReceivablesAndOtherFinancialAssets
226 Proceeds from sale that result in a loss of control of subsidiaries or other businesses, net of cash disposed of Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
227 Proceeds from sale/repayments of intangible, tangible and other non-current assets Concept (Monetary) For Period Debit ti:ProceedFromRepaymentOfIntangibleAndTangibleAndOtherNonCurrentAssets
228 CASH FLOWS FROM (USED IN) INVESTING ACTIVITIES (B) Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
229 CASH FLOWS FROM FINANCING ACTIVITIES: Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
230 Change in current financial liabilities and other Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowings
231 Proceeds from non-current financial liabilities (including current portion) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromNoncurrentBorrowings
232 Repayments of non-current financial liabilities (including current portion) Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfNoncurrentBorrowings
233 Changes in hedging and non-hedging derivatives Concept (Monetary) For Period Credit ti:ChangesInHedgingAndNonhedgingDerivatives
234 Share capital proceeds/reimbursements (including subsidiaries) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfOrdinaryShares
235 Dividends paid Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
236 Changes in ownership interests in consolidated subsidiaries Concept (Monetary) For Period Debit ifrs-full:ProceedsFromChangesInOwnershipInterestsInSubsidiaries
237 CASH FLOWS FROM (USED IN) FINANCING ACTIVITIES (C) Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
238 CASH FLOWS FROM (USED IN) DISCONTINUED OPERATIONS/NON-CURRENT ASSETS HELD FOR SALE (D) Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations
239 AGGREGATE CASH FLOWS (E=A+B+C+D) Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
240 Cash and cash equivalents beginning balance Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
241 Net foreign exchange differences on net cash and cash equivalents (G) Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
242 Cash and cash equivalents ending balance Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
243 Income taxes (paid) received Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
244 Interest expense paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
245 Interest income received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
246 Dividends received Concept (Monetary) For Period Debit ifrs-full:DividendsReceivedClassifiedAsOperatingActivities
247 Cash and cash equivalents-from continuing operations Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
248 Bank overdrafts repayable on demand-from continuing operations Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
249 Cash and cash equivalents-from Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
250 Bank overdrafts repayable on demand-from Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Credit ti:BankOverdraftsClassifiedAsCashEquivalentsDiscontinuedOperation
251 Cash and cash equivalents beginning balance Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
252 Cash and cash equivalents-from continuing operations Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
253 Bank overdrafts repayable on demand-from continuing operations Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
254 Cash and cash equivalents-from Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsClassifiedAsPartOfDisposalGroupHeldForSale
255 Bank overdrafts repayable on demand-from Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Credit ti:BankOverdraftsClassifiedAsCashEquivalentsDiscontinuedOperation
256 Cash and cash equivalents ending balance Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsIfDifferentFromStatementOfFinancialPosition
257 1008 - Disclosure - Form, Content and Other General Information Network

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260 Form, Content and Other General Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
261 1009 - Disclosure - Accounting Policies Network

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264 Accounting Policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
265 1010 - Disclosure - Scope of Consolidation Network

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268 Scope of Consolidation Concept (Text Block (HTML)) For Period ti:DisclosureOfScopeOfConsolidationExplanatory
269 1011 - Disclosure - Business Combinations Network

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272 Business Combinations Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBusinessCombinationsExplanatory
273 1012 - Disclosure - Goodwill Network

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276 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGoodwillExplanatory
277 1013 - Disclosure - Intangible Assets with a Finite Useful Life Network

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280 Intangible Assets with a Finite Useful Life Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
281 1014 - Disclosure - Tangible Assets (Owned and Under Finance Leases) Network

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283 Text block [abstract] Abstract ti:TextBlockAbstract
284 Tangible Assets (Owned and Under Finance Leases) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
285 1015 - Disclosure - Investments Network

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287 Text block [abstract] Abstract ti:TextBlockAbstract
288 Investments Concept (Text Block (HTML)) For Period ti:DisclosureOfInvestmentsExplanatory
289 1016 - Disclosure - Financial Assets (Non-Current and Current) Network

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292 Financial Assets (Non-Current and Current) Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutFinancialAssetsExplanatory
293 1017 - Disclosure - Miscellaneous Receivables and Other Non-Current Assets Network

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295 Text block [abstract] Abstract ti:TextBlockAbstract
296 Miscellaneous Receivables and Other Non-Current Assets Concept (Text Block (HTML)) For Period ti:DisclosureMiscellaneousReceivablesAndOtherNonCurrentAssetsExplanatory
297 1018 - Disclosure - Income Taxes (Current and Deferred) Network

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300 Income Taxes (Current and Deferred) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
301 1019 - Disclosure - Inventories Network

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304 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
305 1020 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets Network

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308 Trade and Miscellaneous Receivables and Other Current Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfTradeAndMiscellaneousReceivablesAndOtherCurrentAssetsExplanatory
309 1021 - Disclosure - Discontinued Operations/Non-current Assets Held for Sale Network

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311 Text block [abstract] Abstract ti:TextBlockAbstract
312 Discontinued Operations/Non-current Assets Held for Sale Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncurrentAssetsHeldForSaleAndDiscontinuedOperationsExplanatory
313 1022 - Disclosure - Equity Network

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316 Equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
317 1023 - Disclosure - Financial Liabilities (Non-current and Current) Network

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319 Text block [abstract] Abstract ti:TextBlockAbstract
320 Financial Liabilities (Non-current and Current) Concept (Text Block (HTML)) For Period ti:DisclosureOfFinancialLiabilitiesCurrentAndNoncurrentExplanatory
321 1024 - Disclosure - Financial Risk Management Network

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324 Financial Risk Management Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
325 1025 - Disclosure - Derivatives Network

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328 Derivatives Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory
329 1026 - Disclosure - Supplementary Disclosures on Financial Instruments Network

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332 Supplementary Disclosures on Financial Instruments Concept (Text Block (HTML)) For Period ti:DisclosureOfSupplementaryInformationOnFinancialInstrumentsExplanatory
333 1027 - Disclosure - Employee Benefits Network

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336 Employee Benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
337 1028 - Disclosure - Provisions Network

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340 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfProvisionsExplanatory
341 1029 - Disclosure - Miscellaneous Payables and Other Non-Current Liabilities Network

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343 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
344 Miscellaneous Payables and Other Non-Current Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureMiscellaneousPayablesAndOtherNonCurrentLiabilitiesExplanatory
345 1030 - Disclosure - Trade and Miscellaneous Payables and Other Current Liabilities Network

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347 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
348 Trade and Miscellaneous Payables and Other Current Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesExplanatory
349 1031 - Disclosure - Contingent Liabilities, Other Information, Commitments and Guarantees Network

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351 Text block [abstract] Abstract ti:TextBlockAbstract
352 Contingent Liabilities, Other Information, Commitments and Guarantees Concept (Text Block (HTML)) For Period ti:DisclosureOfContingentLiabilitiesOtherInformationCommitmentsAndGuaranteesExplanatory
353 1032 - Disclosure - Revenues Network

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355 Text block [abstract] Abstract ti:TextBlockAbstract
356 Revenues Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
357 1033 - Disclosure - Other Income Network

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359 Text block [abstract] Abstract ti:TextBlockAbstract
360 Other Income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory
361 1034 - Disclosure - Acquisition of Goods and Services Network

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364 Acquisition of Goods and Services Concept (Text Block (HTML)) For Period ti:DisclosureOfAcquisitionOfGoodsAndServicesExplanatory
365 1035 - Disclosure - Employee Benefits Expenses Network

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367 Text block [abstract] Abstract ti:TextBlockAbstract
368 Employee Benefits Expenses Concept (Text Block (HTML)) For Period ti:DisclosureOfEmployeeBenefitsExpensesExplanatory
369 1036 - Disclosure - Other Operating Expenses Network

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372 Other Operating Expenses Concept (Text Block (HTML)) For Period ti:DisclosureOfOtherOperatingExpensesExplanatory
373 1037 - Disclosure - Internally Generated Assets Network

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376 Internally Generated Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfInternallyGeneratedAssetsExplanatory
377 1038 - Disclosure - Depreciation and Amortization Network

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380 Depreciation and Amortization Concept (Text Block (HTML)) For Period ti:DisclosureOfDepreciationAndAmortizationExplanatory
381 1039 - Disclosure - Gains (Losses) on Disposals of Non-current Assets Network

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383 Text block [abstract] Abstract ti:TextBlockAbstract
384 Gains (Losses) on Disposals of Non-current Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfGainsLossesOnDisposalsOfNoncurrentAssetsExplanatory
385 1040 - Disclosure - Impairment Reversals (Losses) on Non-Current Assets Network

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388 Impairment Reversals (Losses) on Non-Current Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfImpairmentOfAssetsExplanatory
389 1041 - Disclosure - Other Income (Expenses) from Investments Network

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392 Other Income (Expenses) from Investments Concept (Text Block (HTML)) For Period ti:DisclosureOfOtherIncomeExpensesFromInvestmentsExplanatory
393 1042 - Disclosure - Finance Income and Expenses Network

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396 Finance Income and Expenses Concept (Text Block (HTML)) For Period ti:DisclosureOfFinanceIncomeAndExpensesExplanatory
397 1043 - Disclosure - Profit (Loss) for the Year Network

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400 Profit (Loss) for the Year Concept (Text Block (HTML)) For Period ti:DisclosureOfProfitOrLossExplanatory
401 1044 - Disclosure - Earnings Per Share Network

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404 Earnings Per Share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
405 1045 - Disclosure - Segment Reporting Network

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408 Segment Reporting Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
409 1046 - Disclosure - Related Party Transactions and Direction and Coordination Activity Network

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412 Related Party Transactions and Direction and Coordination Activity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
413 1047 - Disclosure - Equity Compensation Plans Network

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416 Equity Compensation Plans Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
417 1048 - Disclosure - Other Information Network

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420 Other Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAdditionalInformationExplanatory
421 1049 - Disclosure - Events Subsequent to December 31, 2018 Network

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424 Events Subsequent to December 31, 2018 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
425 1050 - Disclosure - List of Companies of the Tim Group Network

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428 List of Companies of the Tim Group Concept (Text Block (HTML)) For Period ti:DisclosureOfListOfCompaniesOfTheTimGroupExplanatory
429 1051 - Disclosure - Accounting Policies (Policies) Network

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430 Statement [table] Table

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431 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
432 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
433 IFRS 9 [member] Member ti:IFRS9Member
434 Statement [LineItems] LineItems ti:StatementLineItems
435 Going concern Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForGoingConcernExplanatory
436 Principles of consolidation Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForPrinciplesOfConsolidationExplanatory
437 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
438 Tangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
439 Capitalized borrowing costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory
440 Impairment of intangible and tangible assets Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForImpairmentOfFinancialAndNonFinancialAssetExplanatory
441 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
442 Sales of receivables Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForSalesOfReceivablesExplanatory
443 Amounts due from customers on construction contracts Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForAmountsDueFromCustomersExplanatory
444 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
445 Non-current assets held for sale/Discontinued operations Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory
446 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
447 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
448 Government grants Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForGovernmentAuthorityGrantsExplanatory
449 Treasury shares Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTreasurySharesExplanatory
450 Foreign currency transactions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
451 Revenues Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
452 Research costs and advertising expenses Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForResearchCostsAndAdvertisingExpenseExplanatory
453 Finance income and expenses Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
454 Dividends Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForDividendsExplanatory
455 Income Tax Expenses (current and deferred) Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
456 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
457 Use of estimates Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForUseOfEstimatesExplanatory
458 New Standards and Interpretations issued by IASB and in force from January 1, 2018 Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsApplicableForAnnualPeriodExplanatory
459 IFRS 15 (revenues from contracts with customers) Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory
460 Impacts of the adoption of IFRS 9 and IFRS 15 Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForImpactsOfTheAdoptionOfIfrs9AndIfrs15Explanatory
461 New standards and interpretations issued by IASB but not yet applicable Concept (Text Block (HTML)) For Period ti:DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsNotYetAdoptedExplanatory
462 IFRS 16 (leases) Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
463 1052 - Disclosure - Accounting Policies (Tables) Network

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466 Schedule of Effect of Adoption of IFRS 9 and IFRS 15 on Consolidated Statements of Financial Position Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationBetweenInvestmentDerecognisedAndAssetsAndLiabilitiesRecognisedTransitionFromAccountingForInvestmentAtCostOrInAccordanceWithIFRS9ToAccountingForAssetsAndLiabilitiesExplanatory
467 Schedule of Breakdown of Impact of New Accounting Standards on Consolidated Financial Statements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory
468 1053 - Disclosure - Scope of Consolidation (Tables) Network

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469 Statement [table] Table

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470 Consolidated structured entities [axis] Axis ifrs-full:ConsolidatedStructuredEntitiesAxis
471 Entity's total for consolidated structured entities [member] Member ifrs-full:EntitysTotalForConsolidatedStructuredEntitiesMember
472 Consolidated statement of financial position [member] Member ti:FinancialPositionMember
473 Income Statement [member] Member ti:IncomeStatementMember
474 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
475 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
476 Tim Brazil Group [member] Member ti:TimBrazilGroupMember
477 Statement [LineItems] LineItems ti:StatementLineItems
478 Summary of Subsidiaries Exiting/ Merged into the Scope of Consolidation Concept (Text Block (HTML)) For Period ti:DisclosureOfDiscontinuedOperationsNonCurrentAssetsHeldForSaleExplanatory
479 Summary of Breakdown by Number of Subsidiaries and Associates Concept (Text Block (HTML)) For Period ti:DisclosureOfNumberOfSubsidiariesAndAssociatesExplanatory
480 Summary of Statement of Financial Statement - TIM Brasil Group-Brazil Business Unit Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesExplanatory
481 1054 - Disclosure - Goodwill (Tables) Network

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483 Text block [abstract] Abstract ti:TextBlockAbstract
484 Summary of Breakdown and Changes in Goodwill Concept (Text Block (HTML)) For Period ti:DisclosureOfGoodwillBreakdownAndChangesExplanatory
485 Summary of Gross Carrying Amounts, Accumulated Impairment Losses (Details) Concept (Text Block (HTML)) For Period ti:DisclosureOfCarryingAmountAndAccumulatedImpairmentExplanatory
486 Summary of Principal Parameters for Estimates of Value in Use (Details) Concept (Text Block (HTML)) For Period ti:DisclosureOfPrincipalParametersForEstimatesOfValueInUseExplanatory
487 Summary of Differences Between Recoverable Amounts and Net Carrying Amounts (Details) Concept (Text Block (HTML)) For Period ti:DisclosureOfDifferencesBetweenValuesInUseAndCarryingAmountsExplanatory
488 1055 - Disclosure - Intangible Assets with a Finite Useful Life (Tables) Network

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489 Implied Table Table

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490 Text block [abstract] Abstract ti:TextBlockAbstract
491 Summary of Breakdown and Movements in Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
492 Summary of Rresidual Amount of Telephone Licenses and Similar Rights and Their Useful Lives Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
493 Summary of Gross Carrying Amount, Accumulated Impairment Losses and Accumulated Amortization Concept (Text Block (HTML)) For Period ti:DisclosureOfGrossCarryingAmountAccumulatedImpairmentLossesAndAccumulatedAmortizationExplanatory
494 1056 - Disclosure - Tangible Assets (Owned and Under Finance Leases) (Tables) Network

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495 Statement [table] Table

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496 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
497 Assets [member] Member ifrs-full:ClassesOfAssetsMember
498 Assets held under finance lease [member] Member ti:AssetsUnderFinanceLeasesMember
499 Statement [LineItems] LineItems ti:StatementLineItems
500 Summary Changes in Property, Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
501 Summary of Depreciation on Straight-line Basis Over the Estimated Useful Life of Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfDepreciationEstimatedUsefulLifeExplanatory
502 Summary of Gross Carrying Amount, Accumulated Impairment Losses and Accumulated Depreciation Concept (Text Block (HTML)) For Period ti:DisclosureOfChangesInCarryingValueOfPropertyPlantAndEquipmentExplanatory
503 Summsry of Finance Lease Payments Due in Future Years and Present Value Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutFinanceLeaseExplanatory
504 1057 - Disclosure - Investments (Tables) Network

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505 Implied Table Table

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506 Text block [abstract] Abstract ti:TextBlockAbstract
507 Summary of Investments in Associates and Joint Ventures Accounted for Using Equity method Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
508 Summary of Changes in Investments in Associates and Joint Ventures Concept (Text Block (HTML)) For Period ti:DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory
509 Summary of Financial Statement in Joint Venture Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfSummarisedFinancialInformationOfJointVentureAccountedForUsingEquityMethodToCarryingAmountOfInterestInJointVentureExplanatory
510 Summary of Other Investments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodExplanatory
511 1058 - Disclosure - Financial Assets (Non-Current and Current) (Tables) Network

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512 Implied Table Table

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513 Text block [abstract] Abstract ti:TextBlockAbstract
514 Financial Assets (Non-Current and Current) Concept (Text Block (HTML)) For Period ti:DisclosureOfFinancialAssetsCurrentAndNoncurrentExplanatory
515 Schedule of Decrease In Cash and Cash Equivalents Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
516 1059 - Disclosure - Miscellaneous Receivables and Other Non-Current Assets (Tables) Network

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517 Statement [table] Table

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518 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
519 Assets [member] Member ifrs-full:ClassesOfAssetsMember
520 Miscellaneous receivables and other non current assets [member] Member ti:MiscellaneousReceivablesAndOtherNonCurrentAssetsMember
521 Statement [LineItems] LineItems ti:StatementLineItems
522 Schedule of Increase/Decrease in Miscellaneous Receivable and Other Non-Current Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutMiscellaneousReceivablesAndOtherNonCurrentAssetsExplanatory
523 Schedule on Impacts by Adoption of IFRS 15 Concept (Text Block (HTML)) For Period ti:DisclosureOfImpactOfAdoptionOfIfrs15Explanatory
524 Schedule of Break Down of Total Deferred Contract Costs Concept (Text Block (HTML)) For Period ti:DisclosureOfBreakDownOfTotalDeferredContractCostsExplanatory
525 Schedule of Movements in Total Deferred Contract Costs Concept (Text Block (HTML)) For Period ti:DisclosureOfMovementsInTotalDeferredContractCostsExplanatory
526 1060 - Disclosure - Income Taxes (Current and Deferred) (Tables) Network

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527 Implied Table Table

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528 Text block [abstract] Abstract ti:TextBlockAbstract
529 Schedule of Deferred Tax Assets and Deferred Tax Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfNetDeferredTaxesExplanatory
530 Schedule of Deferred Tax Assets and Deferred Tax Liabilities Before Offsets By Legal Entity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
531 Schedule of Temporary Differences in Deferred Tax Assets and Deferred Tax Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
532 Schedule of Expirations of Deferred Tax Assets and Deferred Tax Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfExpirationsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesExplanatory
533 Schedule of Unused Tax Loss Carryforwards Concept (Text Block (HTML)) For Period ti:DisclosureOfExpirationsOfUnusedTaxLossesExplanatory
534 Schedule of Income Tax Payables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
535 Schedule of Income Tax Expense Concept (Text Block (HTML)) For Period ti:DisclosureOfIncomeTaxesExplanatory
536 Schedule of Reconciliation Between the Theoretical Tax Expense Concept (Text Block (HTML)) For Period ti:DisclosureOfReconciliationOfEffectiveIncomeTaxExpenseExplanatory
537 1061 - Disclosure - Inventories (Tables) Network

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538 Implied Table Table

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539 Text block [abstract] Abstract ti:TextBlockAbstract
540 Schedule of Inventories Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutInventoriesExplanatory
541 1062 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets (Tables) Network

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542 Implied Table Table

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543 Text block [abstract] Abstract ti:TextBlockAbstract
544 Summary of Increase in Trade and Miscellaneous Receivables and Other Current Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfTradeAndMiscellaneousReceivablesAndOtherCurrentAssetsAmountExplanatory
545 Schedule on Impacts By Adoption of IFRS 9 and IFRS 15 Concept (Text Block (HTML)) For Period ti:DisclosureOfImpactOnAdoptionOfIFRS9AndIFRS15Explanatory
546 Summary of Analyses of the Aging of Trade and Miscellaneous Receivables Concept (Text Block (HTML)) For Period ti:DisclosureOfAgingOfTradeAndMiscellaneousReceivablesAndOtherCurrentAssetsExplanatory
547 Summary of Provision for Bad Debts Concept (Text Block (HTML)) For Period ti:DisclosureOfProvisionForBadDebtsExplanatory
548 Summary of Other Receivables Concept (Text Block (HTML)) For Period ti:DisclosureOfOtherReceivablesExplanatory
549 1063 - Disclosure - Discontinued Operations/Non-current Assets Held for Sale (Tables) Network

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550 Implied Table Table

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551 Text block [abstract] Abstract ti:TextBlockAbstract
552 Summary of Income Statement Impacts from The Sofora-telecom Argentina Group and its Sale Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDiscontinuedOperationsExplanatory
553 Summary of Earnings Per Share from Discontinued Operations/non-current Assets Held for Sale Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationOfEarningsPerShareDiscontinuedOperationsExplanatory
554 Summary of Consolidated Statements of Cash Flows and its Net Impacts, Expressed in "Discontinued Operations/non-current Assets Held for Sale Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationOfCashFlowsDiscontinuedOperationsExplanatory
555 1064 - Disclosure - Equity (Tables) Network

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556 Implied Table Table

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557 Text block [abstract] Abstract ti:TextBlockAbstract
558 Summary of Components of Equity Concept (Text Block (HTML)) For Period ti:DisclosureOfComponentsOfEquityExplanatory
559 Summary of Reserves and Other Equity Interest Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory
560 Summary of Reconciliation Between the Number of Outstanding Shares Concept (Text Block (HTML)) For Period ti:DisclosureOfReconciliaitonBetweenNumberOfOutstandingSharesExplanatory
561 Summary of Sundry Reserves and Retained Earnings (Accumulated Losses), Including Profit (Loss) Concept (Text Block (HTML)) For Period ti:DisclosureOfSundryReservesAndRetainedEarningsAccumulatedLossesIncreasessExplanatory
562 Summary of Equity Attributable to Non-controlling Interests Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory
563 1065 - Disclosure - Financial Liabilities (Non-current and Current) (Tables) Network

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564 Implied Table Table

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565 Text block [abstract] Abstract ti:TextBlockAbstract
566 Summary of Non-current and Current Financial Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutFinancialLiabilitiesExplanatory
567 Summary of Gross Financial Debt Concept (Text Block (HTML)) For Period ti:DisclosureOfGrossFinancialDebtsExplanatory
568 Summary of Gross Financial Debt by Effective Interest Rate Concept (Text Block (HTML)) For Period ti:DisclosureOfGrossFinancialDebtByEffectiveInterestRateExplanatory
569 Summary of Gross Financial Debt by Nominal Interest Rate Concept (Text Block (HTML)) For Period ti:DisclosureOfGrossFinancialDebtByNominalInterestRateExplanatory
570 Summary of Maturities of Financial Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesExplanatory
571 Summary of Components of Financial Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfBondsBreakdownExplanatory
572 Summary of Components of Financial Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfComponentsofFinancialLiabilitiesExplanatory
573 Summary of Bonds Issued Concept (Text Block (HTML)) For Period ti:DisclosureOfBondsIssuedExplanatory
574 Summary of Changes in Bonds Concept (Text Block (HTML)) For Period ti:DisclosureOfChangesInBondsExplanatory
575 Summary of Composition and Drawdown of Committed Credit Lines Available Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutLineOfCreditExplanatory
576 Summary of Three Rating Agencies-standard & Poor's, Moody's and Fitch Ratings-rated Tim Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutCreditRatingExplanatory
577 Summary of Non-current and Current Financial Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfContractualCashFlowsOfFinancialLiabilitiesExplanatory
578 Summary of Additional Cash Flow Information Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory
579 1066 - Disclosure - Financial Risk Management (Tables) Network

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580 Implied Table Table

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581 Text block [abstract] Abstract ti:TextBlockAbstract
582 Summary of Total Financial Liabilities at Nominal Repayment Amount Concept (Text Block (HTML)) For Period ti:DisclosureOfFinancialLiabilitiesAtNominalRepaymentAmountExplanatory
583 Summary of Total Financial Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfFinancialAssetsAtNominalInvestmentAmountExplanatory
584 Summary of Total Financial Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
585 Summary of Total Financial Assets Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsExplanatory
586 Summary of Financial liabilities-Maturities of Contractually Expected Disbursements Concept (Text Block (HTML)) For Period ti:DisclosureOfMaturityAnalysisForFinancialLiabilitiesExplanatory
587 Summary of Derivatives on Financial Liabilities-Contractually Expected Interest Flows Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities
588 1067 - Disclosure - Derivatives (Tables) Network

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589 Implied Table Table

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590 Text block [abstract] Abstract ti:TextBlockAbstract
591 Schedule of Derivative Financial Instrument By Type Concept (Text Block (HTML)) For Period ti:DisclosureOfDerivativeFinancialInstrumentsByTypeExplanatory
592 Summary of Change in the Equity Reserve Attributable to the Effective Hedging Component Concept (Text Block (HTML)) For Period ti:DisclosureOfMovementsInReservesWithinEquityAttributableToEffectiveHedgingExplanatory
593 Schedule of Transactions Hedged by Cash Flow Hedges Concept (Text Block (HTML)) For Period ti:DisclosureOfDerivativeFinancialInstrumentsByCashFlowHedgesExplanatory
594 1068 - Disclosure - Supplementary Disclosures on Financial Instruments (Tables) Network

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595 Implied Table Table

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596 Text block [abstract] Abstract ti:TextBlockAbstract
597 Fair Value Hierarchy for Each Category/Class of Financial Asset/Liability Concept (Text Block (HTML)) For Period ti:DisclosureOfFinancialAssetsAndLiabilitiesExplanatory
598 Classification of Financial Assets and Liabilities at Date of First Application of IFRS 9 Concept (Text Block (HTML)) For Period ti:DisclosureOfFinancialAssetsAndLiabilitiesAtDateOfInitialApplicationOfIFRS9Explanatory
599 Summary of Gains and Losses by IAS 39 Category Concept (Text Block (HTML)) For Period ti:ScheduleOfGainsAndLossesAssociatedOnAssetsAndLiabilitiesWithInterestOfContinuingOperationsAndOrCurrentAssetsHeldForSaleExplanatory
600 1069 - Disclosure - Employee Benefits (Tables) Network

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601 Implied Table Table

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602 Text block [abstract] Abstract ti:TextBlockAbstract
603 Summary of Provisions for Employee Benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory
604 Summary of Increases in Present Value of Employee Benefits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory
605 Summary of Emplyee Benefits Assumptions Concept (Text Block (HTML)) For Period ti:DisclosureOfEmplyeeBenefitsAssumptionsExplanatory
606 Summary of Sensitivity Analysis for Actuarial Assumptions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory
607 1070 - Disclosure - Provisions (Tables) Network

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608 Implied Table Table

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609 Text block [abstract] Abstract ti:TextBlockAbstract
610 Summary of Other Provisions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherProvisionsExplanatory
611 1071 - Disclosure - Miscellaneous Payables and Other Non-Current Liabilities (Tables) Network

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612 Implied Table Table

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613 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
614 Schedule of Miscellaneous Payables and Other Non-Current Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutMiscellaneousPayablesAndOtherNonCurrentLiabilitiesExplanatory
615 Summary of Impact Caused by Adoption of IFRS 15 Concept (Text Block (HTML)) For Period ti:DisclosureOfImpactCausedByAdoptionOfIfrs15Explanatory
616 Schedule of Payables to Social Security Agencies Concept (Text Block (HTML)) For Period ti:DisclosurePayablesToSocialSecurityAgenciesExplanatory
617 1072 - Disclosure - Trade and Miscellaneous Payables and Other Current Liabilities (Tables) Network

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618 Implied Table Table

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619 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
620 Summary of Trade and Miscellaneous Payables and Other Current Liabilities Concept (Text Block (HTML)) For Period ti:DisclosureOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesAmountExplanatory
621 1073 - Disclosure - Contingent Liabilities, Other Information, Commitments and Guarantees (Tables) Network

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622 Implied Table Table

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623 Text block [abstract] Abstract ti:TextBlockAbstract
624 Information on Main Guarantees for Loans Concept (Text Block (HTML)) For Period ti:DisclosureOfGuaranteesLoansIssuerExplanatory
625 1074 - Disclosure - Revenues (Tables) Network

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626 Implied Table Table

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627 Text block [abstract] Abstract ti:TextBlockAbstract
628 Schedule of Revenues Concept (Text Block (HTML)) For Period ti:DisclosureOfSourceOfRevenueExplanatory
629 1075 - Disclosure - Other Income (Tables) Network

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630 Implied Table Table

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631 Text block [abstract] Abstract ti:TextBlockAbstract
632 Disclosure of Other Operating Income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingIncomeExplanatory
633 1076 - Disclosure - Acquisition of Goods and Services (Tables) Network

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634 Implied Table Table

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635 Text block [abstract] Abstract ti:TextBlockAbstract
636 Disclosure of Detailed Information About Acquisition of Goods and Services Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutAcquisitionOfGoodsAndServicesExplanatory
637 1077 - Disclosure - Employee Benefits Expenses (Tables) Network

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638 Implied Table Table

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639 Text block [abstract] Abstract ti:TextBlockAbstract
640 Details of Employee Benefit Expenses Concept (Text Block (HTML)) For Period ti:DisclosureOfDefinedBenefitPlansEmployeeBenefitExpensesExplanatory
641 Details of Average Salaried Workforce Breakdown By Category Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailsOfAverageSalariedWorkforceBreakdownByCategoryExplanatory
642 1078 - Disclosure - Other Operating Expenses (Tables) Network

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643 Implied Table Table

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644 Text block [abstract] Abstract ti:TextBlockAbstract
645 Schedule of Other Operating Expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory
646 1079 - Disclosure - Internally Generated Assets (Tables) Network

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647 Implied Table Table

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648 Text block [abstract] Abstract ti:TextBlockAbstract
649 Schedule of Detail Information of Internally Generated Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfScheduleOfInternallyGeneratedAssetsExplanatory
650 1080 - Disclosure - Depreciation and Amortization (Tables) Network

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651 Implied Table Table

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652 Text block [abstract] Abstract ti:TextBlockAbstract
653 Summary of Depreciation and Amortization Expenses Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutDepreciationAndAmortisationExplanatory
654 1081 - Disclosure - Gains (Losses) on Disposals of Non-current Assets (Tables) Network

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655 Implied Table Table

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656 Text block [abstract] Abstract ti:TextBlockAbstract
657 Schedule of Gain Losses on Disposal of Non Current Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutGainsLossesOnDisposalsOfNoncurrentAssetsExplanatory
658 1082 - Disclosure - Impairment Reversals (Losses) on Non-Current Assets (Tables) Network

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659 Implied Table Table

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660 Text block [abstract] Abstract ti:TextBlockAbstract
661 Summary of Impairment Reversals (Losses) on Non-Current Assets Concept (Text Block (HTML)) For Period ti:DisclosureOfExplanationOfImpairmentLossRecognisedOrReversedByClassOfAssetsAndByReportableSegmentExplanatory
662 1083 - Disclosure - Other Income (Expenses) from Investments (Tables) Network

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663 Implied Table Table

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664 Text block [abstract] Abstract ti:TextBlockAbstract
665 Detailed Information About Other Income (Expenses) from Investments Concept (Text Block (HTML)) For Period ti:DisclosureOfDetailedInformationAboutOtherIncomeExpensesFromInvestmentsExplanatory
666 1084 - Disclosure - Finance Income and Expenses (Tables) Network

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667 Implied Table Table

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668 Text block [abstract] Abstract ti:TextBlockAbstract
669 Summary of Net Finance Costs/(Income) Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
670 Summary of Finance Income and Expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceCostExplanatory
671 Summary Of Financial Assets At Date Of Initial Application Of IFRS 9 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialAssetsAtDateOfInitialApplicationOfIFRS9Explanatory
672 Summary Net Effects Relating To Derivative Financial Instruments Concept (Text Block (HTML)) For Period ti:DisclosureOfNetEffectOfFairValueAdjustmentRelatingToDerivativeFinancialInstrumentsExplanatory
673 1085 - Disclosure - Profit (Loss) for the Year (Tables) Network

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674 Implied Table Table

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675 Text block [abstract] Abstract ti:TextBlockAbstract
676 Summary Profits (losses) for the Years Concept (Text Block (HTML)) For Period ti:DisclosureOfProfitOrLossesForThePeriodExplanatory
677 1086 - Disclosure - Earnings Per Share (Tables) Network

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678 Implied Table Table

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679 Text block [abstract] Abstract ti:TextBlockAbstract
680 Schedule of Basic Earnings Per Share Concept (Text Block (HTML)) For Period ti:DisclosureOfBasicEarningsPerShareExplanatory
681 Potential Future Changes in Share Capital Concept (Text Block (HTML)) For Period ti:DisclosureOfPotentialChangesInShareCapitalExplanatory
682 1087 - Disclosure - Segment Reporting (Tables) Network

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683 Implied Table Table

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684 Text block [abstract] Abstract ti:TextBlockAbstract
685 Separate Consolidated Income Statements by Operating Segment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
686 Revenues by Operating Segment Concept (Text Block (HTML)) For Period ti:DisclosureOfOperatingRevenueExplanatory
687 Purchase of Intangible and Tangible Assets by Operating Segment Concept (Text Block (HTML)) For Period ti:DisclosureOfPurchaseOfAssetsExplanatory
688 Summary of Headcount by Operating Segment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory
689 Assets and Liabilities by Operating Segment Concept (Text Block (HTML)) For Period ti:DisclosureOfAssetsAndLiabilitiesByOperatingSegmentsExplanatory
690 Reporting by Geographical Area Concept (Text Block (HTML)) For Period ti:DisclosureOfRevenuesAndNoncurrentOperatingAssetsOnGeographicBasisTableTextBlock
691 1088 - Disclosure - Related Party Transactions and Direction and Coordination Activity (Tables) Network

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692 Statement [table] Table

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693 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
694 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
695 Other related parties [member] Member ifrs-full:OtherRelatedPartiesMember
696 Entities with joint control or significant influence over entity [member] Member ifrs-full:JointControlOrSignificantInfluenceMember
697 Statement [LineItems] LineItems ti:StatementLineItems
698 Summary of Separate Consolidated Income Statement Concept (Text Block (HTML)) For Period ti:DisclosureOfConsolidatedAndSeparateIncomeStatementsExplanatory
699 Summary of Consolidated Statement of Financial Position Concept (Text Block (HTML)) For Period srt:ScheduleOfCondensedBalanceSheetTableTextBlock
700 Summary of Consolidated Statement of Cash Flows Concept (Text Block (HTML)) For Period srt:ScheduleOfCondensedCashFlowStatementTableTextBlock
701 Summary of Employee Benefits Expenses Concept (Text Block (HTML)) For Period ti:DisclosureOfDefinedBenefitPensionPlansExplanatory
702 Summary of Remuneration to Key Managers Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAmountsIncurredByEntityForProvisionOfKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesExplanatory
703 1089 - Disclosure - Equity Compensation Plans (Tables) Network

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704 Implied Table Table

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708 Implied Table Table

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711 Summary of Research and Development Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfResearchAndDevelopmentExpenseExplanatory
712 Summary of the Amount of Lease Installments Receivables Concept (Text Block (HTML)) For Period ti:DisclosureOfOperatingLeaseInstallmentsReceivablesExplanatory
713 Summary of the Amount of Lease Installments Receivable Concept (Text Block (HTML)) For Period ti:DisclosureOfOperatingLeaseInstallmentsReceivableTextBlock
714 Summary of Public Funds Concept (Text Block (HTML)) For Period ti:DisclosureOfPublicFundsExplanatory
715 1091 - Disclosure - List of Companies of the Tim Group (Tables) Network

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716 Implied Table Table

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720 Implied Table Table

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724 Date of end of reporting period Concept (Date) For Period ifrs-full:DateOfEndOfReportingPeriod2013
725 Description of functional currency Concept (Text/String) For Period ifrs-full:DescriptionOfFunctionalCurrency
726 Level of rounding used in financial statement Concept (Text/String) For Period ifrs-full:LevelOfRoundingUsedInFinancialStatements
727 1093 - Disclosure - Accounting Policies - Additional Information (Detail) Network

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732 Increase (decrease) due to changes in accounting policy required by IFRS15 [member] Member ti:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRS15Member
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740 Revenue from sale collection installment period Concept (xbrli:durationItemType) For Period ti:RevenueFromSaleCollectionInstallmentPeriod
741 Revenue from sale bundle offerings collection installment period Concept (xbrli:durationItemType) For Period ti:RevenueFromSaleBundleOfferingsCollectionInstallmentPeriod
742 Revenue from sale collection extension installment period Concept (xbrli:durationItemType) For Period ti:RevenueFromSaleCollectionExtensionInstallmentPeriod
743 Expected term of the contractual relationship with mobile business Concept (xbrli:durationItemType) For Period ti:ExpectedTermOfContractualRelationshipWithMobileBusiness
744 Expected term of the contractual relationship with fixed business Concept (xbrli:durationItemType) For Period ti:ExpectedTermOfContractualRelationshipWithFixedBusiness
745 Consolidated equity Concept (Monetary) As Of Credit ifrs-full:Equity
746 Lease liability Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
747 1094 - Disclosure - Accounting Policies - Disclosure of impact of initial application of new standards or interpretations (Detail) Network

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751 Increase (decrease) due to application of IFRS 9 [member] Member ti:IncreaseDecreaseDueToApplicationOfIFRS9Member
752 IFRS 15 adjustments [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
753 Disclosure of financial assets to which overlay approach is applied [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsToWhichOverlayApproachIsAppliedLineItems
754 Assets Abstract ifrs-full:AssetsAbstract
755 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
756 Intangible assets Abstract ifrs-full:IntangibleAssetsAndGoodwillAbstract
757 Intangible assets with a finite useful life Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
758 Other non-current assets Abstract ifrs-full:MiscellaneousNoncurrentAssetsAbstract
759 Non-current financial assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssets
760 Miscellaneous receivables and other non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivables
761 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
762 CURRENT ASSETS Abstract ifrs-full:CurrentAssetsAbstract
763 Trade and miscellaneous receivables and other current assets Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
764 Current financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
765 TOTAL ASSETS Concept (Monetary) As Of Debit ifrs-full:Assets
766 EQUITY AND LIABILITIES Abstract ifrs-full:EquityAndLiabilitiesAbstract
767 Equity Abstract ifrs-full:EquityAbstract
768 Equity attributable to owners of the Parent Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
769 Non-controllinginterests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
770 Total Equity Concept (Monetary) As Of Credit ifrs-full:Equity
771 Non-current liabilities Abstract ifrs-full:NoncurrentLiabilitiesAbstract
772 Miscellaneous payables and other non-current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousPayablesAndOtherNoncurrentLiabilities
773 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
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775 Trade and miscellaneous payables and other current liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
776 Current income tax payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesCurrent
777 Total Equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
778 1095 - Disclosure - Accounting Policies - Schedule of Breakdown of Impact of New Accounting Standards on Consolidated Financial Statements (Detail) Network

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779 Disclosure of expected impact of initial application of new standards or interpretations [table] Table

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782 Comparable financial data prepared in accordance with previous accounting standards applied (IAS 39, IAS 18 and IAS 11) [member] Member ifrs-full:FinancialEffectOfChangesInAccountingPolicyMember
783 New accounting standards impact [member] Member ifrs-full:IncreaseDecreaseDueToChangesInAccountingPolicyRequiredByIFRSsMember
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785 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
786 Operating expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpenseExcludingCostOfSales
787 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
788 Operating profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
789 Other income (expenses) from investments Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
790 Finance income (expenses) Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
791 Profit (loss) before tax from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
792 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
793 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
794 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
795 Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
796 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
797 Assets Abstract ifrs-full:AssetsAbstract
798 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
799 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
800 Tangible assets Concept (Monetary) As Of Debit ti:TangibleAssets
801 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
802 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
803 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
804 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
805 EQUITY AND LIABILITIES Abstract ifrs-full:EquityAndLiabilitiesAbstract
806 Equity Abstract ifrs-full:EquityAbstract
807 Equity attributable to owners of the Parent Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
808 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
809 Total Equity Concept (Monetary) As Of Credit ifrs-full:Equity
810 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
811 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
812 Total Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
813 Total Equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
814 1096 - Disclosure - Scope of Consolidation - Summary of Subsidiaries Entering/Exiting/ Merged into the Scope of Consolidation (Detail) Network

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815 Disclosure of Investments in Consolidated Subsidiaries [Table] Table

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816 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
817 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
818 OLIVETTI ESPANA S.A. [member] Member ti:OlivettiEspanaSAMember
819 TI SPARKLE MED S.p.A. [member] Member ti:TISparkleMedSpaMember
820 TIM CELULAR SA [member] Member ti:TimCelularSAMember
821 Disclosure Of Investments In Consolidated Subsidiaries [line items] LineItems ti:DisclosureOfInvestmentsInConsolidatedSubsidiariesLineItems
822 Company Concept (Text/String) For Period ti:NameOfSubsidiaryContinuingOperations
823 Subsidiaries continuing operations Concept (Text/String) For Period ti:ScopeOfConsolidationOfSubsidiariesContinuingOperations
824 Business Unit Concept (Text/String) For Period ti:BusinessUnitOfContinuingOperations
825 Exit Month Concept (Year/Month) For Period ti:SubsidiariesExitMonthOfContinuingOperations
826 Merger Month Concept (Year/Month) For Period ti:SubsidiariesMergerMonthOfContinuingOperations
827 1097 - Disclosure - Scope of Consolidation - Summary of Breakdown by Number of Subsidiaries and Associates (Detail) Network

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828 Disclosure of Information about Consolidated Structured Entities [Table] Table

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830 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
831 Italy [member] Member country:IT
832 Outside Italy [member] Member ti:OutsideItalyMember
833 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
834 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
835 Subsidiaries consolidated lne- by -line [member] Member ti:SubsidiariesConsolidatedLineByLineMember
836 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
837 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
838 Joint ventures accounted for using the equity method [member] Member ifrs-full:JointVenturesMember
839 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
840 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
841 Associates accounted for using the equity method [member] Member ifrs-full:AssociatesMember
842 Disclosure of Information about Consolidated Structured Entities [Line Items] LineItems ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
843 Companies Concept (Decimal) For Period ti:NumberOfEntitiesAccountedForUsingEquityMethodInvestment
844 1098 - Disclosure - Scope of Consolidation - Additional Information (Detail) Network

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845 Disclosure of Information about Consolidated Structured Entities [Table] Table

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847 Entity [Domain] Member dei:EntityDomain
848 TIM Brasil group [member] Member ti:TIMBrasilGroupMember
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850 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
851 Tim Celular S.A. and Tim S.A. [member] Member ti:TIMCelularSaAndTIMSaMember
852 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
853 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
854 Business unit [member] Member ti:BusinessUnitMember
855 Disclosure of Information about Consolidated Structured Entities [Line Items] LineItems ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
856 Proportion of ownership interests held by non-controlling interests Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests
857 Proportion of share capital of operating companies Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
858 Increase (decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
859 Positive or negative exchange rate effect Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
860 Cash flow without exchange rate effect Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
861 1099 - Disclosure - Scope of Consolidation - Summary of Statement of Financial Position Data (Detail) Network

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862 Disclosure of Information about Consolidated Structured Entities [Table] Table

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864 Entity [Domain] Member dei:EntityDomain
865 TIM Brasil group [member] Member ti:TIMBrasilGroupMember
866 Disclosure of Information about Consolidated Structured Entities [Line Items] LineItems ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesLineItems
867 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
868 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
869 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
870 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
871 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
872 Total Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
873 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
874 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
875 1100 - Disclosure - Scope of Consolidation - Summary of Income Statement Data (Detail) Network

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876 Disclosure of Information about Consolidated Structured Entities [Table] Table

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881 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
882 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
883 of which, Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
884 1101 - Disclosure - Business Combinations - Additional information (Detail) Network

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885 Implied Table Table

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886 Disclosure of detailed information about business combination [abstract] Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
887 Business combination transactions during period Concept (Monetary) For Period Debit ti:BusinessCombinationTransactionDuringPeriod
888 1102 - Disclosure - Goodwill - Summary of Breakdown and Changes in Goodwill (Detail) Network

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889 Disclosure of Reconciliation of Changes in Goodwill [Table] Table

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891 Segments [member] Member ifrs-full:SegmentsMember
892 Domestic [member] Member ti:DomesticSegmentMember
893 Brazil [member] Member ti:BrazilSegmentMember
894 Other operations [member] Member ti:OtherOperationsSegmentMember
895 Subsegment [axis] Axis ti:SubsegmentAxis
896 Subsegment [domain] Member ti:SubsegmentDomain
897 Core domestic [member] Member ti:CoreDomesticMember
898 International wholesale [member] Member ti:InternationalWholesaleMember
899 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
900 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
901 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
902 Disclosure of Reconciliation of Changes in Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillLineItems
903 Beginning balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
904 Reclassification Concept (Monetary) For Period Debit ti:ReclassificationOfGoodwill
905 Increase Concept (Monetary) For Period Debit ifrs-full:AdditionalRecognitionGoodwill
906 Decrease Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSaleGoodwill
907 Impairments Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
908 Exchange differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesGoodwill
909 Ending balance Concept (Monetary) As Of Debit ifrs-full:Goodwill
910 1103 - Disclosure - Goodwill - Additional Information (Detail) Network

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911 Disclosure of Reconciliation of Changes in Goodwill [Table] Table

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913 Entity's total for cash-generating units [member] Member ifrs-full:EntitysTotalForCashgeneratingUnitsMember
914 Core domestic CGU [member] Member ti:CoreDomesticCGUMember
915 International wholesale CGU [member] Member ti:InternationalWholesaleCGUMember
916 Brazil CGU [member] Member ti:BrazilCGUMember
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918 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
919 Technological infrastructure [member] Member ti:TechnologicalInfrastructureMember
920 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
921 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
922 CGU [member] Member ifrs-full:IndividualAssetsOrCashgeneratingUnitsMember
923 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
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925 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
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927 Decrease in goodwill Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughClassifiedAsHeldForSaleGoodwill
928 Carrying value of goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
929 Impairment loss on goodwill Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
930 Additional Impairment loss on goodwill Concept (Monetary) For Period ti:AdditionalImpairmentLossRecognisedInProfitOrLossGoodwill
931 Sensitivity analyzes percentage Concept (Percent) For Period ti:SensitivityAnalysisMovementPercentage
932 1104 - Disclosure - Goodwill - Summary of Gross Carrying Amounts, Accumulated Impairment Losses (Detail) Network

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933 Disclosure of Reconciliation of Changes in Goodwill [Table] Table

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935 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
936 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
937 Segments [axis] Axis ifrs-full:SegmentsAxis
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940 Brazil [member] Member ti:BrazilSegmentMember
941 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
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943 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
944 Accumulated impairment losses [member] Member ifrs-full:AccumulatedImpairmentMember
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948 International wholesale [member] Member ti:InternationalWholesaleMember
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950 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
951 1105 - Disclosure - Goodwill - Summary of Principal Parameters for Estimates of Value in Use (Detail) Network

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952 Disclosure of Information for Cash-generating Units [Table] Table

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955 Core domestic [member] Member ti:CoreDomesticMember
956 Disclosure of Information for Cash-generating Units [Line Items] LineItems ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
957 WACC Concept (Percent) As Of ti:WeightedAverageCostOfCapitalPercentage
958 WACC before tax Concept (Percent) As Of ti:WeightedAverageCostOfCapitalBeforeTaxPercentage
959 Growth rate beyond the explicit period (g) Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
960 Capitalization rate net of tax (WACC -g ) Concept (Percent) As Of ti:CapitalizationRateNetOfTax
961 Capitalization rate before taxes (WACC -g ) Concept (Percent) As Of ti:CapitalizationRateBeforeTax
962 Capex/Revenues, % perpetual Concept (Percent) As Of ti:PercentageOfRevenueForCapitalExpenditures
963 1106 - Disclosure - Goodwill - Summary of Differences Between Recoverable Amounts and Net Carrying Amounts (Detail) Network

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964 Disclosure of Information for Cash-generating Units [Table] Table

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968 International wholesale [member] Member ti:InternationalWholesaleMember
969 Brazil [member] Member ti:BrazilSegmentMember
970 Disclosure of Information for Cash-generating Units [Line Items] LineItems ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems
971 Difference between recoverable amounts and net carrying amounts Concept (Monetary) As Of Credit ti:DifferenceAmountBetweenValuesInUseAndCarryingAmounts
972 1107 - Disclosure - Intangible Assets with a Finite Useful Life - Additional Information (Detail) Network

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973 Disclosure of Detailed Information about Intangible Assets [Table] Table

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ifrs-full:DisclosureOfIntangibleAssetsTable
974 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
975 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
976 Industrial patents and intellectual property rights [member] Member ti:IndustrialPatentsAndIntellectualPropertyRightsMember
977 Capitalized subscription acquisition costs [member] Member ti:CapitalizedSubscriptionAcquisitionCostsMember
978 Work in progress and advance payments [member] Member ti:WorkinProgressAndAdvancePaymentsMember
979 5G mobile telecommunications services [member] Member ti:FiveGMobileTelecommunicationsServicesMember
980 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
981 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
982 Concessions, licenses, trademarks and similar rights [member] Member ti:ConcessionsLicensesTrademarksAndSimilarRightsMember
983 Software systems [member] Member ti:SoftwareSystemsMember
984 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
985 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
986 TIM S.p.A [member] Member ifrs-full:ParentMember
987 Telecom Italia Sparkle Group [member] Member ti:TelecomItaliaSparkleGroupMember
988 International wholesale [member] Member ti:InternationalWholesaleMember
989 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
990 Tim Brasil group [member] Member ifrs-full:SubsidiariesMember
991 Segments [axis] Axis ifrs-full:SegmentsAxis
992 Segments [member] Member ifrs-full:SegmentsMember
993 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
994 Subsegment [axis] Axis ti:SubsegmentAxis
995 Subsegment [domain] Member ti:SubsegmentDomain
996 Core domestic [member] Member ti:CoreDomesticMember
997 Methods of generation [axis] Axis ifrs-full:MethodsOfGenerationAxis
998 Methods of generation [member] Member ifrs-full:MethodsOfGenerationMember
999 Internally generated [member] Member ifrs-full:InternallyGeneratedMember
1000 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1001 Net carrying amount [Member] Member ifrs-full:CarryingAmountMember
1002 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1003 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1004 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1005 Italy [member] Member country:IT
1006 Range [axis] Axis ifrs-full:RangeAxis
1007 Ranges [member] Member ifrs-full:RangesMember
1008 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1009 Top of range [member] Member ifrs-full:TopOfRangeMember
1010 Disclosure of Detailed Information about Intangible Assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1011 Increase (decrease) through transfers and other changes, intangible assets other than goodwill Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsOtherThanGoodwill
1012 Additions to intangible assets Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1013 Amount of intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1014 Amortization period of intangible asset Concept (xbrli:durationItemType) For Period ti:IntangibleAssetAmortizationPeriod
1015 Cost of telephone licenses and similar rights Concept (Monetary) For Period Debit ti:CostOfTelephoneLicensesAndSimilarRights
1016 Increase in cost of telephone licenses and similar rights Concept (Monetary) For Period Debit ti:IncreaseInCostOfTelephoneLicensesAndSimilarRights
1017 Cost of indefeasible rights of use Concept (Monetary) For Period Debit ti:CostOfIndefeasibleRightsOfUse
1018 Cost of TV frequencies licenses Concept (Monetary) For Period Debit ti:CostOfTVFrequenciesLicenses
1019 Licenses for the frequencies used for digital terrestrial transmission expiry year Concept (Text/String) For Period ti:LicensesForTVFrequenciesExpiryYear
1020 Subscriber acquisition costs Concept (Monetary) As Of Debit ti:OtherIntangibleAssetsWithFiniteUsefulLivesAmount
1021 Discount of intangible assets Concept (Monetary) For Period Credit ti:DiscountOfIntangibleAssetsOtherThanGoodwill
1022 Number of annual installments Concept (Integer) For Period ti:NumberOfAnnualInstallments
1023 Amount of annual installments Concept (Monetary) For Period Debit ti:AmountOfAnnualInstallments
1024 User rights acquisition amount Concept (Monetary) For Period Credit ti:UserRightsLicenceAcquisitionAmount
1025 User rights reclassified under concessions, licenses, trademarks and similar rights Concept (Monetary) For Period Credit ti:UserRightsReclassifiedUnderConcessionsLicensesTrademarksAndSimilarRights
1026 Capitalized finance expense Concept (Monetary) For Period ifrs-full:BorrowingCostsCapitalised
1027 Capitalized finance expense percentage Concept (Percent) For Period ti:PercentageOfBorrowingCostsCapitalised
1028 Impairment loss of intangible assets Concept (Monetary) For Period ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
1029 Advance payments Concept (Monetary) As Of Debit ti:AdvancePayments
1030 1108 - Disclosure - Intangible Assets with a Finite Useful Life - Summary of Breakdown and Movements in Intangible Assets (Detail) Network

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1031 Disclosure of Detailed Information about Intangible Assets [Table] Table

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ifrs-full:DisclosureOfIntangibleAssetsTable
1032 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1033 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1034 Industrial patents and intellectual property rights [member] Member ti:IndustrialPatentsAndIntellectualPropertyRightsMember
1035 Concessions, licenses, trademarks and similar rights [member] Member ti:ConcessionsLicensesTrademarksAndSimilarRightsMember
1036 Other intangible assets [member] Member ifrs-full:OtherIntangibleAssetsMember
1037 Work in progress and advance payments [member] Member ti:WorkinProgressAndAdvancePaymentsMember
1038 Disclosure of Detailed Information about Intangible Assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1039 Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1040 Adoption IFRS 15 Concept (Monetary) For Period ti:ChangesInIntangibleAssetsOtherThanGoodwillDueToAdoptionOfIfrs15
1041 Addition Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
1042 Amortization Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1043 Impairment losses / reversals Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
1044 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsAndGoodwill
1045 Exchange differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
1046 Capitalized borrowing costs Concept (Monetary) For Period ifrs-full:BorrowingCostsCapitalised
1047 Other changes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill
1048 Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1049 1109 - Disclosure - Intangible Assets with a Finite Useful Life - Summary of Rresidual Amount of Telephone Licenses and Similar Rights and Their Useful Lives (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureIntangibleAssetsWithAFiniteUsefulLifeSummaryOfRresidualAmountOfTelephoneLicensesAndSimilarRightsAndTheirUsefulLives
1050 Disclosure of Reconciliation of Changes in Intangible Assets and Goodwill [Table] Table

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ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable
1051 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1052 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1053 TIM S.p.A [member] Member ifrs-full:ParentMember
1054 Tim Brasil group [member] Member ifrs-full:SubsidiariesMember
1055 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1056 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1057 UMTS [member] Member ifrs-full:UMTSLicencesMember
1058 UMTS 2100 MHz [member] Member ti:UMTSTwoOneZeroZeroMHzMember
1059 WiMax [member] Member ti:WiMaxMember
1060 LTE 1800 MHz [member] Member ti:LTEOneEightZeroZeroMHzMember
1061 LTE 800 MHz [member] Member ti:LTEEightZeroZeroMHzMember
1062 LTE 2600 MHz [member] Member ti:LTETwoSixZeroZeroMHzMember
1063 1452-1492 MHz band [member] Member ti:OneFourFiveTwoToOneFourNineTwoMHzBandMember
1064 GSM (extension) [member] Member ti:GsmExtensionMember
1065 900 and 1800 MHz band [member] Member ti:NineZeroZeroAndOneEightZeroZeroMHzBandMember
1066 GSM and 3G (UMTS) [member] Member ti:GSMAndThreeGUMTSMember
1067 4G (LTE - 700MHz) [member] Member ti:FourGLTESevenZeroZeroMhzMember
1068 Disclosure of Reconciliation of Changes in Intangible Assets and Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
1069 Net carrying amount Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1070 Useful life (years0 Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
1071 Maturity date Concept (Text/String) For Period ti:MaturityDateOfIntangibleAssetsOtherThanGoodwill
1072 Amortization expense for 2018 Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1073 1110 - Disclosure - Intangible Assets with a Finite Useful Life - Summary of Gross Carrying Amount, Accumulated Impairment Losses and Accumulated Amortization (Detail) Network

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1074 Disclosure of Detailed Information about Intangible Assets [Table] Table

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ifrs-full:DisclosureOfIntangibleAssetsTable
1075 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1076 Net carrying amount [Member] Member ifrs-full:CarryingAmountMember
1077 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1078 Accumulated impairment losses [member] Member ifrs-full:AccumulatedImpairmentMember
1079 Accumulated amortization [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1080 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
1081 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
1082 Industrial patents and intellectual property rights [member] Member ti:IndustrialPatentsAndIntellectualPropertyRightsMember
1083 Concessions, licenses, trademarks and similar rights [member] Member ti:ConcessionsLicensesTrademarksAndSimilarRightsMember
1084 Other intangible assets [member] Member ifrs-full:OtherIntangibleAssetsMember
1085 Work in progress and advance payments [member] Member ti:WorkinProgressAndAdvancePaymentsMember
1086 Disclosure of Detailed Information about Intangible Assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
1087 Intangible assets with a finite useful life Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
1088 1111 - Disclosure - Tangible Assets (Owned and Under Finance Leases) - Additional Information (Detail) Network

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1089 Disclosure of detailed information about property, plant and equipment [table] Table

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
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1091 Plant and equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
1092 Buildings (civil and industrial) [member] Member ifrs-full:BuildingsMember
1093 Leasehold improvements [member] Member ifrs-full:LeaseholdImprovementsMember
1094 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
1095 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
1096 TIM S.p.A. [member] Member ti:TIMSPAMember
1097 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1098 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1099 Motor vehicles [member] Member ifrs-full:MotorVehiclesMember
1100 Assets held under finance lease [member] Member ti:AssetsUnderFinanceLeasesMember
1101 Plant and Equipment [member] Member ti:PlantAndEquipmentMember
1102 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1103 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1104 TIM S.p.A [member] Member ifrs-full:ParentMember
1105 Segments [axis] Axis ifrs-full:SegmentsAxis
1106 Segments [member] Member ifrs-full:SegmentsMember
1107 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
1108 Methods of generation [axis] Axis ifrs-full:MethodsOfGenerationAxis
1109 Methods of generation [member] Member ifrs-full:MethodsOfGenerationMember
1110 Internally generated [member] Member ifrs-full:InternallyGeneratedMember
1111 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1112 Net carrying amount [Member] Member ifrs-full:CarryingAmountMember
1113 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1114 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1115 Increase (decrease) in assets held under finance lease Concept (Monetary) For Period Debit ifrs-full:ChangesInPropertyPlantAndEquipment
1116 Land Concept (Monetary) As Of Debit ifrs-full:Land
1117 Buildings Concept (Monetary) As Of Debit ifrs-full:Buildings
1118 Transaction cost Concept (Monetary) For Period Debit ti:AcquisitionRelatedTransactionCost
1119 Financial disbursement during transaction cost Concept (Monetary) For Period Debit ti:FinancialDisbursementDuringTransactionCost
1120 Plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1121 Addition of property plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1122 Change in addition of property plant and equipment Concept (Monetary) For Period Debit ti:ChangeInAdditionsToPropertyPlantAndEquipment
1123 Tangible asset, disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1124 Increases in finance leasing contracts Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInNetInvestmentInFinanceLease
1125 Net increase (decrease) other changes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
1126 Reclassification to owned buildings under rationalization agreement Concept (Monetary) As Of Credit ifrs-full:ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment
1127 Higher tangible assets and related payables for financial leases Concept (Monetary) As Of Credit ifrs-full:PropertyPlantAndEquipmentRevaluationSurplus
1128 Inflation adjustment to finance lease payment Concept (Monetary) As Of Credit ti:FinanceLeasePaymentInflationAdjustment
1129 1112 - Disclosure - Tangible Assets (Owned and Under Finance Leases) - Summary of Changes in Property, Plant and Equipment and Assets (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureTangibleAssetsOwnedAndUnderFinanceLeasesSummaryOfChangesInPropertyPlantAndEquipmentAndAssets
1130 Reconciliation Of Changes In Property Plant And Equipment [table] Table

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ti:ReconciliationOfChangesInPropertyPlantAndEquipmentTable
1131 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1132 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1133 Assets held under finance lease [member] Member ti:AssetsUnderFinanceLeasesMember
1134 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1135 Plant and equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
1136 Land [member] Member ifrs-full:LandMember
1137 Buildings (civil and industrial) [member] Member ifrs-full:BuildingsMember
1138 Plant and Equipment [member] Member ti:PlantAndEquipmentMember
1139 Manufacturing and distribution equipment [member] Member ti:ManufacturingAndDistributionEquipmentmemberMember
1140 Other [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1141 Construction in progress and advance payments [member] Member ti:ConstructionInProgressAndAdvancePaymentsMember
1142 Reconciliation Of Changes In Property Plant And Equipment [line items] LineItems ti:ReconciliationOfChangesInPropertyPlantAndEquipmentLineItems
1143 Beginning balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1144 Addition Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
1145 Increases in finance leasing contracts Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInNetInvestmentInFinanceLease
1146 Depreciation Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1147 Impairment (losses) / reversals Concept (Monetary) For Period Credit ti:ImpairmentLossesOrReversalsOfRecognisedInProfitOrLossPropertyPlantAndEquipment
1148 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
1149 Exchange Differences Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
1150 Other changes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment
1151 Ending balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1152 1113 - Disclosure - Tangible Assets (Owned and Under Finance Leases) - Summary of Depreciation on Straight-line Basis Over the Estimated Useful life of Assets (Detail) Network

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1153 Reconciliation Of Changes In Property Plant And Equipment [table] Table

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ti:ReconciliationOfChangesInPropertyPlantAndEquipmentTable
1154 Range [axis] Axis ifrs-full:RangeAxis
1155 Ranges [member] Member ifrs-full:RangesMember
1156 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1157 Top of range [member] Member ifrs-full:TopOfRangeMember
1158 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1159 Plant and equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
1160 Buildings (civil and industrial) [member] Member ifrs-full:BuildingsMember
1161 Plant and Equipment [member] Member ti:PlantAndEquipmentMember
1162 Manufacturing and distribution equipment [member] Member ti:ManufacturingAndDistributionEquipmentmemberMember
1163 Other [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1164 Reconciliation Of Changes In Property Plant And Equipment [line items] LineItems ti:ReconciliationOfChangesInPropertyPlantAndEquipmentLineItems
1165 Percentage of depreciation Concept (Percent) For Period ti:PercentageOfDepreciation
1166 1114 - Disclosure - Tangible Assets (Owned and under Finance Leases) - Summary of Gross Carrying Amount, Accumulated Impairment Losses and Accumulated Depreciation (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureTangibleAssetsOwnedAndUnderFinanceLeasesSummaryOfGrossCarryingAmountAccumulatedImpairmentLossesAndAccumulatedDepreciation
1167 Disclosure of detailed information about property, plant and equipment [table] Table

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ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
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1169 Net carrying amount [Member] Member ifrs-full:CarryingAmountMember
1170 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
1171 Accumulated impairment losses [member] Member ifrs-full:AccumulatedImpairmentMember
1172 Accumulated amortization [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
1173 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
1174 Plant and equipment [Member] Member ifrs-full:PropertyPlantAndEquipmentMember
1175 Land [member] Member ifrs-full:LandMember
1176 Buildings (civil and industrial) [member] Member ifrs-full:BuildingsMember
1177 Plant and Equipment [member] Member ti:PlantAndEquipmentMember
1178 Manufacturing and distribution equipment [member] Member ti:ManufacturingAndDistributionEquipmentmemberMember
1179 Other [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
1180 Construction in progress and advance payments [member] Member ti:ConstructionInProgressAndAdvancePaymentsMember
1181 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1182 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1183 Assets held under finance lease [member] Member ti:AssetsUnderFinanceLeasesMember
1184 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
1185 Property plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1186 1115 - Disclosure - Tangible Assets (Owned and under Finance Leases) - Finance Lease Payments due in Future Years and Present Value (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureTangibleAssetsOwnedAndUnderFinanceLeasesFinanceLeasePaymentsDueInFutureYearsAndPresentValue
1187 Disclosure of Finance Lease by Lessee [table] Table

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ti:DisclosureOfFinanceLeaseByLesseeTable
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1189 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1190 Assets held under finance lease [member] Member ti:AssetsUnderFinanceLeasesMember
1191 Maturity [axis] Axis ifrs-full:MaturityAxis
1192 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1193 Within 1 year [member] Member ifrs-full:NotLaterThanOneYearMember
1194 Later than one year and not later than five years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
1195 Beyond 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
1196 Disclosure of finance lease by lessee [line items] LineItems ti:DisclosureOfFinanceLeaseByLesseeLineItems
1197 Future net minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayable
1198 Interest portion Concept (Monetary) As Of Credit ifrs-full:FutureFinanceChargeOnFinanceLease
1199 Present value of lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue
1200 Financial lease liabilities Concept (Monetary) As Of Credit ifrs-full:FinanceLeaseLiabilities
1201 Financial receivables for lease contracts Concept (Monetary) As Of Debit ifrs-full:FinanceLeaseReceivables
1202 Total net finance lease liabilities Concept (Monetary) As Of Credit ti:NetFinanceLeaseLiabilities
1203 1116 - Disclosure - Investments - Summary of Investments in Associates and Joint Ventures Accounted for Using Equity Method (Detail) Network

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1204 Disclosure Of Investments In Associates And Joint Ventures Accounted For Using Equity Method [table] Table

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ti:DisclosureOfInvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethodTable
1205 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
1206 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
1207 Alfiere SPA [member] Member ti:AlfiereSPAMember
1208 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1209 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1210 Tiglio I S. r. l [member] Member ti:TiglioiMember
1211 NordCom S.p.A. [member] Member ti:NordComSPAMember
1212 W.A.Y. S.r.l. [member] Member ti:WAYSRLMember
1213 Other minor companies [member] Member ti:OtherMinorCompaniesMember
1214 Disclosure Of Investments In Associates And Joint Ventures Accounted For Using Equity Method [line items] LineItems ti:DisclosureOfInvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethodLineItems
1215 Others Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
1216 Total Joint Ventures Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod
1217 Total Investments accounted for using the equity method Concept (Monetary) As Of Debit ti:InvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethod
1218 1117 - Disclosure - Investments - Summary of Changes in Investments in Associates and Joint Ventures (Detail) Network

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1219 Disclosure Of Investments In Associates And Joint Ventures Accounted For Using Equity Method [table] Table

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ti:DisclosureOfInvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethodTable
1220 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
1221 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
1222 Tiglio I S. r. l [member] Member ti:TiglioiMember
1223 NordCom S.p.A. [member] Member ti:NordComSPAMember
1224 W.A.Y. S.r.l. [member] Member ti:WAYSRLMember
1225 Other minor companies [member] Member ti:OtherMinorCompaniesMember
1226 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
1227 Entity's total for joint ventures [member] Member ifrs-full:EntitysTotalForJointVenturesMember
1228 Alfiere SPA [member] Member ti:AlfiereSPAMember
1229 Disclosure Of Investments In Associates And Joint Ventures Accounted For Using Equity Method [line items] LineItems ti:DisclosureOfInvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethodLineItems
1230 Investments in Associates, Beginning Balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
1231 Investments Concept (Monetary) For Period Debit ti:AdditionsInInvestmentsInAssociatesAccountedForUsingEquityMethod
1232 Disposals and reimbursements of capital Concept (Monetary) For Period Credit ti:DisposalsAndReimbursementsOfCapitalInAssociatesAccountedForUsingEquityMethod
1233 Valuation using equity method Concept (Monetary) For Period Debit ti:InvestmentsValuationInAssociatesAccountedForUsingEquityMethod
1234 Investments in Associates, Ending Balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
1235 Investments in Joint Ventures, Beginning Balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod
1236 Joint Ventures, Investments Concept (Monetary) For Period Debit ti:AdditionsToInvestmentsInJointVenturesAccountedForUsingEquityMethod
1237 Joint Ventures, Disposals and reimbursements of capital Concept (Monetary) For Period Credit ti:DisposalsAndReimbursementsOfCapitalInJointVenturesAccountedForUsingEquityMethod
1238 Joint Ventures, Valuation using equity method Concept (Monetary) For Period Debit ti:InvestmentsValuationInJointVenturesAccountedForUsingEquityMethod
1239 Investments in Joint Ventures, Ending Balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod
1240 Investments in Associates and Joint Ventures, Beginning Balance Concept (Monetary) As Of Debit ti:InvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethod
1241 Associates and Joint Ventures,Investments Concept (Monetary) For Period Debit ti:AdditionsInInvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethod
1242 Associates and Joint Ventures,Disposals and reimbursements of capital Concept (Monetary) For Period Credit ti:DisposalsAndReimbursementsOfCapitalInAssociatesAndJointVenturesAccountedForUsingEquityMethod
1243 Associates and Joint Ventures,Valuation using equity method Concept (Monetary) For Period Debit ti:InvestmentsValuationInAssociatesAndJointVenturesAccountedForUsingEquityMethod
1244 Investments in Associates and Joint Ventures,, Ending Balance Concept (Monetary) As Of Debit ti:InvestmentsInAssociatesAndJointVenturesAccountedForUsingEquityMethod
1245 1118 - Disclosure - Investments - Additional Information (Detail) Network

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1246 Disclosure of joint ventures [table] Table

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1247 Joint ventures [axis] Axis ifrs-full:JointVenturesAxis
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1249 Alfiere SPA [member] Member ti:AlfiereSPAMember
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1251 Write down of joint ventures related to investment Concept (Monetary) As Of Debit ti:WriteDownOfInvestmentsInJointVenturesAccountedForUsingEquityMethod
1252 1119 - Disclosure - Investments - Summary of Financial Statement in Joint Venture (Detail) Network

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1253 Disclosure of joint ventures [table] Table

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1256 Alfiere SPA [member] Member ti:AlfiereSPAMember
1257 TIM Group's share 50% [member] Member ti:TelecomItaliaMember
1258 Disclosure of joint ventures [line items] LineItems ifrs-full:DisclosureOfJointVenturesLineItems
1259 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1260 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1261 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
1262 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
1263 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1264 Total Liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1265 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
1266 Total Equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
1267 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1268 1120 - Disclosure - Investments - Summary of Other Investments (Detail) Network

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1269 Disclosure Of Noncurrent Investments Other Than Investments Accounted For Using Equity Method [table] Table

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1272 Assicurazioni generali [member] Member ti:AssicurazioniGeneraliMember
1273 Fin.Priv. [member] Member ti:FinPrivMember
1274 Northgate CommsTech Innovations Partners LP [member] Member ti:NorthgateCommstechInnovationsPartnersLpMember
1275 Other minor companies [member] Member ti:OthersMinorCompaniesMember
1276 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
1277 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
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1279 Disclosure of Noncurrent Investments Other Than Investments Accounted For Using Equity Method [line items] LineItems ti:DisclosureOfNoncurrentInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodLineItems
1280 Beginning balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1281 IFRS 9 Adoption Concept (Monetary) For Period ifrs-full:IncreaseDecreaseInAccountingEstimate
1282 Investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1283 Disposals and reimbursements of capital Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1284 Measurement at fair value Concept (Monetary) For Period Debit ti:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethodMeasurementChangeInFairValue
1285 Other changes Concept (Monetary) For Period Debit ti:OtherChangesInInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1286 Ending balance Concept (Monetary) As Of Debit ifrs-full:InvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod
1287 1121 - Disclosure - Financial Assets (Non-Current and Current) - Financial Assets (Non-Current and Current) (Detail) Network

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1288 Implied Table Table

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1292 Securities other than investments Concept (Monetary) As Of Debit ti:SecuritiesOtherThanInvestmentsNoncurrent
1293 Receivables from employees Concept (Monetary) As Of Debit ti:ReceivablesFromEmployeesNoncurrent
1294 Financial receivables for lease contracts Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinanceLeaseReceivables
1295 Hedging derivatives relating to hedged items classified as non-current assets/liabilities of a financial nature Concept (Monetary) As Of Debit ti:HedgingInstrumentAssetsNoncurrent
1296 Non-hedging derivatives Concept (Monetary) As Of Debit ti:NonhedgingDerivativesNoncurrent
1297 Other financial receivables Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
1298 Total non-currentfinancial assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssets
1299 Current financial assets Abstract ifrs-full:CategoriesOfCurrentFinancialAssetsAbstract
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1301 Held for trading Concept (Monetary) As Of Debit ti:DerivativeFinancialAssetsHeldForTradingCurrent
1302 Held to maturity Concept (Monetary) As Of Debit ti:DerivativeFinancialAssetsHeldToMaturityCurrent
1303 Available for sale Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAvailableforsale
1304 Measured at amortized cost (AC) Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1305 Measured at fair value through other comprehensive income (FVTOCI) Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1306 Measured at fair value through profit or loss (FVPTL) Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1307 Securities other than investments Concept (Monetary) As Of Debit ti:SecuritiesOtherThanInvestmentsCurrent
1308 Financial receivables and other current financial assets: Abstract ti:FinancialReceivablesAndOtherCurrentFinancialAssetsAbstract
1309 Liquid assets with banks, financial institutions and post offices (with a maturity greater than 3 months) Concept (Monetary) As Of Debit ifrs-full:CashAndBankBalancesAtCentralBanks
1310 Receivables from employees Concept (Monetary) As Of Debit ti:ReceivablesFromEmployeesCurrent
1311 Financial receivables for lease contracts Concept (Monetary) As Of Debit ifrs-full:CurrentFinanceLeaseReceivables
1312 Hedging derivatives relating to hedged items classified as current assets/liabilities of a financial nature Concept (Monetary) As Of Debit ti:HedgingInstrumentAssetsCurrent
1313 Non-hedging derivatives Concept (Monetary) As Of Debit ti:NonhedgingDerivativesCurrent
1314 Other short-term financial receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
1315 Financial receivables and other current financial assets Concept (Monetary) As Of Debit ti:FinancialReceivablesAndOtherCurrentFinancialAssets
1316 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1317 Current financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
1318 Financial assets relating to Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale
1319 Total Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1320 1122 - Disclosure - Financial Assets (Non-current and Current) - Additional Information (Detail) Network

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1321 Disclosure of financial assets [table] Table

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1323 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1324 Italian Treasury Bonds [member] Member ti:ItalianTreasuryBondsMember
1325 Italian Treasury Bonds Purchased by Telecom Italia Finance S.A. [member] Member ti:ItalianTreasuryBondsPurchasedByTelecomItaliaFinanceSaMember
1326 Italian Treasury Bonds Purchased by Telecom Italia Finance S.A. with Different Maturities [member] Member ti:EurosTreasuryBondsPurchasedByTelecomItaliaFinanceSaWithDifferentMaturitiesMember
1327 Certificado de deposito bancario [member] Member ti:BrazilianBankCertificatesOfDepositMember
1328 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1329 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1330 TIM S.p.A. [member] Member ti:TIMSPAMember
1331 INWIT S.p. A [member] Member ti:InwitSpAMember
1332 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
1333 Securities other than investments measured at fair value through other comprehensive income (FVTOCI) Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAvailableforsale
1334 Securities other than investments measured at fair value through profit or loss (FVTPL) Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue
1335 Decrease in cash and cash equivalents from prior year Concept (Monetary) For Period Credit ti:DecreasedInCashAndCashEquivalentsFromPriorYear
1336 Securities other than investments (due within 3 months) Concept (Monetary) As Of Debit ti:SecuritiesOtherThanInvestmentsDueWithinThreeMonths
1337 1123 - Disclosure - Financial Assets (Non-Current and Current) - Schedule of Decrease In Cash and Cash Equivalents (Detail) Network

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1338 Implied Table Table

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1339 Disclosure Of Cash And Cash Equivalents [abstract] Abstract ti:DisclosureOfCashAndCashEquivalentsAbstract
1340 Liquid assets with banks, financial institutions and post offices Concept (Monetary) As Of Debit ifrs-full:BalancesWithBanks
1341 Checks, cash and other receivables and deposits for cash flexibility Concept (Monetary) As Of Debit ti:ChecksCashAndOtherReceivablesAndDepositsForCashFlexibility
1342 Securities other than investments (due within 3 months) Concept (Monetary) As Of Debit ti:SecuritiesOtherThanInvestmentsDueWithinThreeMonths
1343 Total Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1344 1124 - Disclosure - Miscellaneous Receivables and Other Non-Current Assets - Additional Information (Detail) Network

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1345 Disclosure Miscellaneous Receivables And Other Non Current Assets [Table] Table

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1346 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1347 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1348 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
1349 Legal entity [axis] Axis dei:LegalEntityAxis
1350 Entity [Domain] Member dei:EntityDomain
1351 Tim Group [member] Member ti:TimGroupMember
1352 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1353 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1354 Mobile business [member] Member ti:MobileBusinessMember
1355 Fixed business [member] Member ti:FixedBusinessMember
1356 Disclosure miscellaneous receivables and other non current assets [line items] LineItems ti:DisclosureMiscellaneousReceivablesAndOtherNonCurrentAssetsLineItems
1357 Increase (decrease) miscellaneous receivables and other non-current assets Concept (Monetary) For Period Debit ti:IncreaseDecreaseInMiscellaneousReceivablesAndOtherNonCurrentAssets
1358 Miscellaneous receivables Concept (Monetary) As Of Debit ti:MiscellaneousReceivablesNoncurrent
1359 Court deposits receivables Concept (Monetary) As Of Debit ti:CourtDepositsReceivables
1360 Income tax receivables Concept (Monetary) As Of Debit ti:IncomeTaxReceivables
1361 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
1362 Deferred contract costs Concept (Monetary) As Of Debit ti:NoncurrentDeferredContractCosts
1363 Contract costs with lock-in clauses from intangible assets, short and medium/long-term Concept (Monetary) As Of Debit ti:ContractCostsWithLockInClausesFromIntangibleAssets
1364 Contract costs with lock-in clauses from intangible assets, medium/long-term Concept (Monetary) As Of Debit ti:ContractsCostsWithLockInClausesFromIntangibleAssetsNonCurrent
1365 Deferred contract costs expected duration Concept (xbrli:durationItemType) For Period ti:NoncurrentDeferredContractCostsExpectedDuration
1366 Rental cost of TIM S.p.A Concept (Monetary) As Of Debit ti:OtherCostDeferralsNoncurrent
1367 1125 - Disclosure - Miscellaneous Receivables and Other Non-Current Assets - Schedule of Increase/Decrease in Miscellaneous Receivable and Other Non-Current Assets (Detail) Network

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1368 Disclosure Miscellaneous Receivables And Other Non Current Assets [Table] Table

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1369 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1370 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1371 FInancial instruments IAS 39 [member] Member ti:FinancialInstrumentsIASThirtyNineMember
1372 Disclosure miscellaneous receivables and other non current assets [line items] LineItems ti:DisclosureMiscellaneousReceivablesAndOtherNonCurrentAssetsLineItems
1373 Miscellaneous receivables ( non-current) Concept (Monetary) As Of Debit ti:MiscellaneousReceivablesNoncurrent
1374 Other non-current assets Concept (Monetary) As Of Debit ti:OtherMiscellaneousNoncurrentAssets
1375 Deferred contract costs Concept (Monetary) As Of Debit ti:MiscellaneousNoncurrentAssets
1376 Other cost deferrals Concept (Monetary) As Of Debit ti:OtherCostDeferralsNoncurrent
1377 Medium/long-term prepaid expenses Concept (Monetary) As Of Debit ti:MediumOrLongTermPrepaidExpenses
1378 Total other non-current assets Concept (Monetary) As Of Debit ti:MiscellaneousOtherNoncurrentAssets
1379 Total Concept (Monetary) As Of Debit ti:MiscellaneousReceivablesAndOtherNonCurrentAssets
1380 1126 - Disclosure - Miscellaneous Receivables and Other Non-current Assets - Schedule on Impacts by Adoption of IFRS 15 (Detail) Network

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1381 Disclosure Miscellaneous Receivables And Other Non Current Assets [Table] Table

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1382 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
1383 Currently stated [member] Member ifrs-full:RestatedMember
1384 IFRS 15 adjustments [member] Member ti:IFRS15AdjustmentsMember
1385 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1386 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1387 Miscellaneous receivables and other non current assets [member] Member ti:MiscellaneousReceivablesAndOtherNonCurrentAssetsMember
1388 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
1389 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
1390 IFRS 15 Reclassification [member] Member ti:IFRS15Member
1391 Disclosure miscellaneous receivables and other non current assets [line items] LineItems ti:DisclosureMiscellaneousReceivablesAndOtherNonCurrentAssetsLineItems
1392 Miscellaneous receivables (non-current) Concept (Monetary) As Of Debit ti:MiscellaneousReceivablesNoncurrent
1393 Other non-current assets Concept (Monetary) As Of Debit ti:OtherMiscellaneousNoncurrentAssets
1394 Deferred contract costs Concept (Monetary) As Of Debit ti:MiscellaneousNoncurrentAssets
1395 Other cost deferrals Concept (Monetary) As Of Debit ti:OtherCostDeferralsNoncurrent
1396 Medium/long-term prepaid expenses Concept (Monetary) As Of Debit ti:MediumOrLongTermPrepaidExpenses
1397 Total other non-current assets Concept (Monetary) As Of Debit ti:MiscellaneousOtherNoncurrentAssets
1398 Total Concept (Monetary) As Of Debit ti:MiscellaneousReceivablesAndOtherNonCurrentAssets
1399 1127 - Disclosure - Miscellaneous Receivables and Other Non-current Assets - Schedule of Break Down of Total Deferred Contract Costs (Detail) Network

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1400 Disclosure Miscellaneous Receivables And Other Non Current Assets [Table] Table

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1401 Categories of assets recognised from costs to obtain or fulfil contracts with customers [axis] Axis ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis
1402 Categories of assets recognised from costs to obtain or fulfil contracts with customers [member] Member ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersMember
1403 Costs to obtain contracts with customers [member] Member ifrs-full:CostsToObtainContractsWithCustomersMember
1404 Costs to fulfil contracts with customers [member] Member ti:CostsToFulfilContractsWithCustomersMember
1405 Disclosure miscellaneous receivables and other non current assets [line items] LineItems ti:DisclosureMiscellaneousReceivablesAndOtherNonCurrentAssetsLineItems
1406 Deferred contract cost Concept (Monetary) As Of Debit ti:DeferredContractCosts
1407 1128 - Disclosure - Miscellaneous Receivables and Other Non-current Assets - Schedule of Movements in Total Deferred Contract Costs (Detail) Network

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1408 Disclosure Miscellaneous Receivables And Other Non Current Assets [Table] Table

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1409 Categories of assets recognised from costs to obtain or fulfil contracts with customers [axis] Axis ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersAxis
1410 Categories of assets recognised from costs to obtain or fulfil contracts with customers [member] Member ifrs-full:CategoriesOfAssetsRecognisedFromCostsToObtainOrFulfilContractsWithCustomersMember
1411 Costs to obtain contracts with customers [member] Member ifrs-full:CostsToObtainContractsWithCustomersMember
1412 Costs to fulfil contracts with customers [member] Member ti:CostsToFulfilContractsWithCustomersMember
1413 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1414 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1415 Deferred Contract Costs [Member] Member ti:DeferredContractCostsMember
1416 Disclosure miscellaneous receivables and other non current assets [line items] LineItems ti:DisclosureMiscellaneousReceivablesAndOtherNonCurrentAssetsLineItems
1417 Beginning balance Concept (Monetary) As Of Debit ti:DeferredContractCostsBeginningBalance
1418 Increase Concept (Monetary) For Period Debit ti:AdjustmentsForDecreaseIncreaseInDeferredContractCosts
1419 Release to income statement Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
1420 Exchange differences and other changes Concept (Monetary) For Period Credit ti:IncreaseDecreaseThroughChangesInForeignExchangeRatesAndOtherChanges
1421 Ending balance Concept (Monetary) As Of Debit ti:DeferredContractCostsEndingBalance
1422 1129 - Disclosure - Income Taxes (Current and Deferred) - Additional Information (Detail) Network

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1423 Disclosure of income taxes [Table] Table

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1424 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
1425 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
1426 Business unit [member] Member ti:BusinessUnitMember
1427 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1428 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1429 Brazil [member] Member country:BR
1430 Domestic business unit [member] Member ifrs-full:CountryOfDomicileMember
1431 Italy [member] Member country:IT
1432 Legal entity [axis] Axis dei:LegalEntityAxis
1433 Entity [Domain] Member dei:EntityDomain
1434 Telecom Italia capital [member] Member ti:TelecomItaliaCapitalMember
1435 Disclosure of Income Taxes [line items] LineItems ti:DisclosureOfIncomeTaxesLineItems
1436 Non-current and current income tax receivables Concept (Monetary) As Of Debit ifrs-full:ValueAddedTaxReceivables
1437 Non-current income tax receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentValueAddedTaxReceivables
1438 Current income tax receivables Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
1439 Net deferred tax liability assets Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1440 Net deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1441 Net deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1442 Unused tax loss carryforwards Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1443 Deferred tax assets have not been recognized Concept (Monetary) As Of Credit ti:DeferredTaxAssetNotYetRecognised
1444 Tax loss carryforwards Concept (Monetary) As Of Credit ti:UnusedTaxLossesForWhichNoDeferredTaxAssetNotYetRecognised
1445 Deferred tax liabilities have not been recognized Concept (Monetary) As Of Credit ti:DeferredTaxLiabilityNotYetRecognised
1446 Income tax payables Concept (Monetary) As Of Credit ifrs-full:ValueAddedTaxPayables
1447 Non-current portion of income tax payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentValueAddedTaxPayables
1448 Current portion of income tax payable Concept (Monetary) As Of Credit ifrs-full:CurrentValueAddedTaxPayables
1449 Decrease Increase of income tax expenses Concept (Monetary) For Period Debit ti:AdjustmentsForIncreaseDecreaseInCurrentIncomeTaxes
1450 Income tax expenses Concept (Monetary) For Period Debit ti:IncomeTaxExpenseIncomeFromContinuingAndDiscontinuingOperations
1451 Applicable tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1452 1130 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Deferred Tax Assets and Deferred Tax Liabilities (Detail) Network

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1453 Implied Table Table

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1454 Major components of tax expense (income) [abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1455 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1456 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1457 Total Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1458 1131 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Deferred Tax Assets and Deferred Tax Liabilities Before Offsets by Legal Entity (Detail) Network

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1459 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1460 Unconsolidated structured entities [axis] Axis ifrs-full:UnconsolidatedStructuredEntitiesAxis
1461 Entity's total for unconsolidated structured entities [member] Member ifrs-full:EntitysTotalForUnconsolidatedStructuredEntitiesMember
1462 Deferred [member] Member ti:DeferredMember
1463 Disclosure of temporary difference, unused tax losses and unused tax credits [line items] LineItems ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems
1464 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1465 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1466 Net deferred tax liability assets Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1467 1132 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Temporary Differences in Deferred Tax Assets and Deferred Tax Liabilities (Detail) Network

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1468 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1469 Net defined benefit liability (asset) [axis] Axis ifrs-full:NetDefinedBenefitLiabilityAssetAxis
1470 Net defined benefit liability (asset) [member] Member ifrs-full:NetDefinedBenefitLiabilityAssetMember
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1472 Deferred tax assets [member] Member ti:DeferredTaxAssetsMember
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1487 Accelerated depreciation [member] Member ti:AcceleratedDepreciationMember
1488 Other deferred tax liabilities [member] Member ti:OtherDeferredTaxLiabilitiesMember
1489 Tax loss carryforwards [member] Member ti:TaxLossCarryForwardsMember
1490 Taxed depreciation and amortization [member] Member ti:TaxedDepreciationAndAmortizationMember
1491 Other deferred tax assets [member] Member ti:OtherDeferredTaxAssetsMember
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1498 Deferred tax liabilities, beginning balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1499 Total net deferred tax assets (liabilities), beginning balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1500 Deferred tax assets (liabilities), Recognized in profit or loss Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1501 Deferred tax assets (liabilities), Recognized in equity Concept (Monetary) For Period ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity
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1503 Deferred tax assets, ending balance Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1504 Deferred tax liabilities, ending balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1505 Total net deferred tax assets (liabilities), ending balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1506 1133 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Expirations of Deferred Tax Assets and Deferred Tax Liabilities (Detail) Network

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1507 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1519 1134 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Unused Tax Loss Carryforwards (Detail) Network

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1520 Disclosure of temporary difference, unused tax losses and unused tax credits [table] Table

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1528 1135 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Income Tax Payables (Detail) Network

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1529 Implied Table Table

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1535 1136 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Income Tax Expense (Detail) Network

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1536 Implied Table Table

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1539 Net difference in prior years estimates Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
1540 Total current taxes Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
1541 Deferred taxes Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDeferredTaxOfPriorPeriods
1542 Total effective income tax recognized in income statement from continuing operations Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1543 Total taxes on Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Debit ti:IncomeTaxExpenseDiscontinuedOperations
1544 Total effective income tax recognized in income statements Concept (Monetary) For Period Debit ti:IncomeTaxExpenseIncomeFromContinuingAndDiscontinuingOperations
1545 1137 - Disclosure - Income Taxes (Current and Deferred) - Schedule of Reconciliation Between the Theoretical Tax Expense (Detail) Network

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1546 Disclosure Of Reconciliation Of Effective Income Tax Expense [table] Table

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1558 Prior years' IRES Concept (Monetary) For Period Debit ti:ReconciliationOfEffectiveIncomeTaxExpensePriorYearsIRES
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1561 Other net differences Concept (Monetary) For Period Debit ti:ReconciliationOfEffectiveIncomeTaxExpenseOtherNetDifferences
1562 Effective income tax recognized in income statement from continuing operations, excluding IRAP tax Concept (Monetary) For Period Debit ti:IncomeTaxExpenseIncomeFromContinuingOperationsExcludingIRAPTaxes
1563 IRAP tax Concept (Monetary) For Period Debit ti:IncomeTaxExpenseIncomeFromContinuingOperationsIRAPTax
1564 Total effective income tax recognized in income statement from continuing operations Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1565 Effective income tax recognized in income statement from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Debit ti:EffectiveIncomeTaxRecognizedInIncomeStatementFromDiscontinuedOperationsNonCurrentAssetsHeldForSale
1566 Total effective income tax recognized in income statements Concept (Monetary) For Period Debit ti:IncomeTaxExpenseIncomeFromContinuingAndDiscontinuingOperations
1567 1138 - Disclosure - Inventories - Additional Information (Detail) Network

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1568 Disclosure of inventories [table] Table

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1576 Inventories net of provision for loss Concept (Monetary) As Of Debit ti:InventoriesNetOfProvisionForLoss
1577 1139 - Disclosure - Inventories - Schedule of Inventories (Detail) Network

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1578 Implied Table Table

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1582 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
1583 Total Concept (Monetary) As Of Debit ifrs-full:Inventories
1584 1140 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets - Additional Information (Detail) Network

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1585 Disclosure of trade and miscellaneous receivables and other current assets amount [table] Table

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1590 INWIT S.p. A [member] Member ti:InwitSpAMember
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1616 Impact of a negative exchange rate adjustment Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughForeignExchangeFinancialAssets
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1619 Non-current receivables Concept (Monetary) As Of Debit ifrs-full:NoncurrentTradeReceivables
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1630 Contract costs with lock-in clauses from intangible assets, short-term Concept (Monetary) As Of Debit ti:ContractCostsWithLockInClausesFromIntangibleAssetsCurrent
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1635 Maintenance fees Concept (Monetary) For Period Debit ti:MaintenanceCost
1636 Other cost deferrals Concept (Monetary) As Of Debit ti:OtherCostDeferralsCurrent
1637 Trade and miscellaneous prepaid expenses Concept (Monetary) As Of Debit ti:TradeAndMiscellaneousPrepaidExpenses
1638 1141 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets - Summary of Increase in Trade and Miscellaneous Receivables and Other Current Assets (Detail) Network

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1639 Disclosure of trade and miscellaneous receivables and other current assets amount [table] Table

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1652 Activities deriving from contracts (Contract Assets) Concept (Monetary) As Of Debit ifrs-full:ContractAssets
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1656 Miscellaneous receivables (current) Concept (Monetary) As Of Debit ti:MiscellaneousReceivablesAndOtherCurrentAssets
1657 Total Concept (Monetary) As Of Debit ti:TradeAndMiscellaneousReceivablesAndOtherCurrentAssets
1658 1142 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets - Schedule on Impacts By Adoption Of IFRS 9 and IFRS 15 (Detail) Network

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1659 Disclosure of trade and miscellaneous receivables and other current assets amount [table] Table

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1667 Trade receivables Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
1668 Receivables from customers Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromContractsWithCustomers
1669 Receivables from other telecommunications operators Concept (Monetary) As Of Debit ti:ReceivableFromOtherOperators
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1678 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
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1680 1143 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets - Summary of Analyses of the Aging of Trade and Miscellaneous Receivables (Detail) Network

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1681 Disclosure Of Aging Of Trade And Miscellaneous Receivables And Other Current Assets [table] Table

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ti:DisclosureOfAgingOfTradeAndMiscellaneousReceivablesAndOtherCurrentAssetsTable
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1689 181-365 days [member] Member ti:OneHundredAndTwentyOneToThreeHundredAndSixtyFiveDaysMember
1690 More than 365 days [member] Member ti:MoreThanThreeHundredAndSixtyFiveDaysMember
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1694 Overdue Concept (Monetary) As Of Debit ti:TradeAndMiscellaneousReceivablesAndOtherCurrentAssetsOverdueAmount
1695 1144 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets - Summary of Provision for Bad Debts (Detail) Network

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1696 Disclosure of provision for bad debts [table] Table

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ti:DisclosureOfProvisionForBadDebtsTable
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1702 Effects of IFRS 9 adoption Concept (Monetary) For Period ifrs-full:IncreaseDecreaseInAccountingEstimate
1703 Provision charges to the income statement Concept (Monetary) For Period Credit ti:ProvisionChargesOnIncomeStatementForBadDebts
1704 Utilization and decreases Concept (Monetary) For Period Debit ti:UtilizationAndDecreases
1705 Exchange differences and other changes Concept (Monetary) For Period Debit ti:ExchangeDifferenceAndOtherChanges
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1707 1145 - Disclosure - Trade and Miscellaneous Receivables and Other Current Assets - Summary of Other Receivables (Detail) Network

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1708 Implied Table Table

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implied:Table
1709 Disclosure of other receivables [abstract] Abstract ti:DisclosureOfOtherReceivablesAbstract
1710 Advances to suppliers Concept (Monetary) As Of Debit ifrs-full:CurrentAdvancesToSuppliers
1711 Receivables from employees Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
1712 Tax receivables Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
1713 Receivables for grants from the government and public entities Concept (Monetary) As Of Debit ti:GovernmentGrantsReceivableCurrent
1714 Sundry receivables Concept (Monetary) As Of Debit ti:SundryReceivables
1715 Total Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
1716 1146 - Disclosure - Discontinued Operations/Non-Current Assets Held for Sale - Additional Information (Detail) Network

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1717 Noncurrent Assets Held For Sale And Discontinued Operations [table] Table

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ti:NoncurrentAssetsHeldForSaleAndDiscontinuedOperationsTable
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1721 Telecom argentina group [member] Member ti:TelecomArgentinaGroupMember
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1723 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1724 Fintech [member] Member ti:FintechMember
1725 Noncurrent assets held for sale and discontinued operations [line items] LineItems ti:NoncurrentAssetsHeldForSaleAndDiscontinuedOperationsLineItems
1726 Proceeds from discontinued operations Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleAndDiscontinuedOperations
1727 Proceeds from sale that result in a loss of control of subsidiaries or other businesses, net of cash disposed of Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
1728 Proceeds from discontinued operations, respect to ancillary agreements Concept (Monetary) For Period Debit ti:ProceedsFromDisposalOfDiscontinuedOperationsRelatedToAncillaryAgreements
1729 Proceeds generated by making technical support services available Concept (Monetary) For Period Debit ti:ProceedsByMakingTechnicalSupportServicesAvailable
1730 Average foreign exchange rate pesos per euro Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
1731 1147 - Disclosure - Discontinued Operations/non-current Assets Held for Sale - Summary of Income Statement Impacts from The Sofora-telecom Argentina Group and its Sale (Detail) Network

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1732 Noncurrent Assets Held For Sale And Discontinued Operations [table] Table

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1733 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
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1736 Noncurrent assets held for sale and discontinued operations [line items] LineItems ti:NoncurrentAssetsHeldForSaleAndDiscontinuedOperationsLineItems
1737 Income statement effects from Discontinued operations/Non-current assets held for sale: Abstract ti:IncomeStatementEffectsFromDiscontinuedOperationsAbstract
1738 Revenues Concept (Monetary) For Period Credit ti:RevenueDiscontinuedOperations1
1739 Operating expenses Concept (Monetary) For Period Debit ti:OperatingExpensesDiscontinuedOperations
1740 Gains (losses) on disposals of non-current assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
1741 Goodwill and other non-current assets net impairment losses Concept (Monetary) For Period Debit ti:ImpairmentLossRecognisedInProfitOrLossGoodwillAndOtherNonCurrentAssetsDiscontinuedOperations
1742 Operating profit (loss) Concept (Monetary) For Period Credit ti:OperatingProfitLossDiscontinuedOperations
1743 Finance income (expenses) Concept (Monetary) For Period Credit ti:FinanceIncomeExpensesDiscontinuedOperations
1744 Profit (loss) before tax from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ti:ProfitLossBeforeTaxDiscontinuedOperations1
1745 Income tax expense Concept (Monetary) For Period Debit ifrs-full:TaxExpenseRelatingToProfitLossFromOrdinaryActivitiesOfDiscontinuedOperations
1746 Profit (loss) after tax from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ti:ProfitLossAfterTaxDiscontinuedOperations
1747 Other minor income statement effects: Abstract ti:OtherMinorIncomeStatementEffectsAbstract
1748 Other income/(expenses) connected to sales in previous years Concept (Monetary) For Period Credit ti:OtherIncomeExpensesDiscontinuedOperations
1749 Other minor entries Concept (Monetary) For Period Debit ti:OtherMinorEntriesDiscontinuedOperations
1750 Other Minor Income Statement Effects Concept (Monetary) For Period Debit ti:OtherMinorIncomeStatementEffects
1751 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ti:ProfitLossFromDiscontinuedOperationsBeforeEffects
1752 Income statement effects on the selling entities: Abstract ti:IncomeStatementEffectsOnSellingEntitiesAbstract
1753 Net gains on disposal Concept (Monetary) For Period Credit ti:NetGainsLossesOnDisposal
1754 Transfer to the separate consolidated dated income statement of the Reserve for exchange differences on translating foreign operations Concept (Monetary) For Period Debit ti:ReserveForExchangeDifferencesOnTranslatingForeignOperations
1755 Income tax expense relating to the disposal Concept (Monetary) For Period Debit ti:IncomeTaxExpenseRelatingToDisposal
1756 Income statement effects on selling entities Concept (Monetary) For Period Debit ti:IncomeStatementEffectsOnSellingEntities
1757 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
1758 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
1759 Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:IncomeFromDiscontinuedOperationsAttributableToOwnersOfParent
1760 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests
1761 1148 - Disclosure - Discontinued Operations/non-current Assets Held for Sale - Summary of Earnings Per Share from Discontinued Operations/non-current Assets Held for Sale (Detail) Network

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1762 Noncurrent Assets Held For Sale And Discontinued Operations [table] Table

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ti:NoncurrentAssetsHeldForSaleAndDiscontinuedOperationsTable
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1765 Savings Share [member] Member ifrs-full:PreferenceSharesMember
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1767 Basic and Diluted Earnings Per Share (EPS) from Discontinued operations/Non-currentassets held for sale Abstract ti:BasicAndDilutedEarningsPerShareDiscontinuedOperationsAbstract
1768 Basic and diluted earnings per share Concept (Share) For Period ti:BasicAndDilutedEarningsPerShareDiscontinuedOperations
1769 1149 - Disclosure - Discontinued Operations/non-current Assets Held for Sale - Summary of Consolidated Statements of Cash Flows and its Net Impacts, Expressed in "Discontinued Operations/non-current Assets Held for Sale" (Detail) Network

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1770 Implied Table Table

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1771 Disclosure of discontinued operations [abstract] Abstract ti:DisclosureOfDiscontinuedOperationsAbstract
1772 Discontinued operations/Non-current assets held for sale: Abstract ti:CashFlowsFromDiscontinuedOperationsAbstract
1773 Cash flows from (used in) operating activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInOperatingActivitiesDiscontinuedOperations
1774 Cash flows from (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivitiesDiscontinuedOperations
1775 Cash flows from (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivitiesDiscontinuedOperations
1776 Total Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsDiscontinuedOperations
1777 1150 - Disclosure - Equity - Summary of Components of Equity (Detail) Network

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1778 Implied Table Table

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1779 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
1780 Equity attributable to owners of the Parent Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1781 Non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1782 Total Concept (Monetary) As Of Credit ifrs-full:Equity
1783 1151 - Disclosure - Equity - Summary of Reserves and Other Equity Interest (Detail) Network

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1784 Implied Table Table

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implied:Table
1785 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
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1787 Additional paid-incapital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
1788 Other reserves and retained earnings (accumulated losses), including profit (loss) for the year Concept (Monetary) As Of Credit ti:OtherReservesAndRetainedEarnings
1789 Total Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1790 Reserve for financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Credit ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssets
1791 Reserve for hedging instruments Concept (Monetary) As Of Credit ifrs-full:ReserveOfGainsAndLossesOnHedgingInstrumentsThatHedgeInvestmentsInEquityInstruments
1792 Reserve for exchange differences on translating foreign operations Concept (Monetary) As Of Credit ifrs-full:ReserveOfExchangeDifferencesOnTranslation
1793 Reserve for remeasurements of employee defined benefit plans (IAS 19) Concept (Monetary) As Of Credit ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlans
1794 Share of other comprehensive income (loss) of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1795 Sundry reserves and retained earnings (accumulated losses), including profit (loss) for the year Concept (Monetary) As Of Credit ti:SundryReservesAndRetainedEarningsAccumulatedLosses
1796 1152 - Disclosure - Equity - Additional Information (Detail) Network

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1797 Disclosure of classes of share capital [table] Table

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ifrs-full:DisclosureOfClassesOfShareCapitalTable
1798 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1799 Equity [member] Member ifrs-full:EquityMember
1800 American Depositary Receipts [member] Member ti:AmericanDepositaryReceiptsMember
1801 Reserve for remeasurements of employee defined benefit plans (IAS 19) [member] Member ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlansMember
1802 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
1803 Sundry reserves and retained earnings (accumulated losses), including profit (loss) for the year [member] Member ifrs-full:RetainedEarningsMember
1804 Legal entity [axis] Axis dei:LegalEntityAxis
1805 Entity [Domain] Member dei:EntityDomain
1806 J P Morgan Chase Bank [member] Member ti:JPMorganChaseBankMember
1807 Telecom Italia Finance [member] Member ti:TelecomItaliaFinanceMember
1808 Individual assets or cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsAxis
1809 Entity's total for individual assets or cash-generating units [member] Member ifrs-full:EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember
1810 Business unit [member] Member ti:BusinessUnitMember
1811 Segments [axis] Axis ifrs-full:SegmentsAxis
1812 Segments [member] Member ifrs-full:SegmentsMember
1813 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
1814 Sofora-Telecom Argentina group [member] Member ti:SoforaTelecomArgentinaGroupMember
1815 Range [axis] Axis ifrs-full:RangeAxis
1816 Ranges [member] Member ifrs-full:RangesMember
1817 Top of range [member] Member ifrs-full:TopOfRangeMember
1818 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1819 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1820 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1821 Brazil [member] Member country:BR
1822 Domestic business unit [member] Member ifrs-full:CountryOfDomicileMember
1823 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1824 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1825 TIM S.p.A [member] Member ifrs-full:ParentMember
1826 INWIT S.p. A [member] Member ti:InwitSpAMember
1827 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1828 Treasury shares Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
1829 Share capital Concept (Monetary) As Of Credit ti:ShareCapitalOutstanding
1830 Total value of ordinary treasury shares Concept (Monetary) As Of Debit ti:TreasurySharesAmount
1831 Deduction from share capital issued Concept (Monetary) For Period Debit ifrs-full:ReductionOfIssuedCapital
1832 Number of shares corresponding to ADS Concept (Shares) For Period ti:NumberOfSharesCorrespondingToAmericanDepositaryShares
1833 Description to dividend distribution Concept (Text/String) For Period ti:DescriptionToDividendDistribution
1834 Percentage of distribution to share holders Concept (Percent) For Period ti:PercentageOfDividendsRecognisedAsDistributionsToOwners
1835 Distribution to share holders per share Concept (Share) For Period ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
1836 Number of years dividend distribution difference carried over to preferred dividends Concept (Text/String) For Period ti:NumberOfYearsDividendDistributionDifferenceCarriedOverToPreferredDividends
1837 Pre-emptive right in reimbursement of capital per share Concept (Share) For Period ti:PreEmptiveRightInReimbursementOfCapitalPerShare
1838 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
1839 Increase in additional paid in capital Concept (Monetary) For Period Credit ti:IncreaseInAdditionalPaidInCapital
1840 Reserve of gains and losses on financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Credit ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1841 Increase in reserve for available-for-sale financial assets Concept (Monetary) As Of Debit ti:IncreaseInReserveForAvailableForSaleFinancialAssets
1842 Unrealized gains on securities portfolio Concept (Monetary) As Of Debit ti:UnrealizedGainLossOnSecurities1
1843 Fair value adjustment of other available-for-sale financial assets to parent Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsReclassifiedOutOfAvailableforsaleFinancialAssetsAtFairValue
1844 Unrealized gains on investment Concept (Monetary) For Period Credit ti:UnrealizedGainLossOnInvestment
1845 Reserve expressed net of deferred tax liabilities Concept (Monetary) As Of Credit ti:ReserveNetOfDeferredTaxLiabilities
1846 Financial assets measured at fair value through other comprehensive income, growth Concept (Monetary) As Of Debit ifrs-full:IncreaseDecreaseInFinancialAssetsArisingFromChangeInMeasurementAttributeFirstApplicationOfIFRS9
1847 Reserve for cash flow hedges Concept (Monetary) As Of Credit ifrs-full:ReserveOfCashFlowHedges
1848 Net deferred tax assets Concept (Monetary) As Of Debit ifrs-full:NetDeferredTaxAssets
1849 Reserve for exchange differences on translating foreign operations Concept (Monetary) As Of Credit ifrs-full:ReserveOfExchangeDifferencesOnTranslation
1850 Reserve for remeasurements of employee defined benefit plans Concept (Monetary) As Of Credit ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlans
1851 Change in reserve for remeasurement of employee defined benefit plans Concept (Monetary) As Of Credit ti:ChangeInReserveForRemeasurementOfEmployeeDefinedBenefitPlans
1852 Other profits (losses) of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
1853 Sundry reserves and retained earnings (accumulated losses), including profit (loss) Concept (Monetary) As Of Credit ti:SundryReservesAndRetainedEarningsAccumulatedLosses
1854 Increase in sundry reserves and retained earnings (accumulated losses), including profit (loss) Concept (Monetary) For Period Credit ti:IncreaseDecreaseThroughSundryReservesAndRetainedEarningsAccumulatedLosses
1855 Dividends approved Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
1856 Dividend per share Concept (Share) For Period ifrs-full:DividendsPaidOrdinarySharesPerShare
1857 Equity attributable to non-controlling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1858 Decrease in non-controlling interests Concept (Monetary) For Period Credit ti:IncreaseDecreaseInNoncontrollingInterests
1859 Group Company dividends paid to non-controlling shareholders Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
1860 1153 - Disclosure - Equity - Summary of Reconciliation Between the Number of Outstanding Shares (Detail) Network

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1861 Disclosure of classes of share capital [table] Table

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ifrs-full:DisclosureOfClassesOfShareCapitalTable
1862 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1863 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1864 TIM S.p.A [member] Member ifrs-full:ParentMember
1865 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1866 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1867 6.125% Mandatory Convertible Bonds Due 2016 [member] Member ti:SixPointOneTwoFivePercentageMandatoryConvertibleBondsDueTwoThousandSixteenMember
1868 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1869 Equity [member] Member ifrs-full:EquityMember
1870 Ordinary Shares issued [member] Member ti:OrdinarySharesIssuedMember
1871 Less: Treasury Shares [member] Member ifrs-full:TreasurySharesMember
1872 Ordinary Shares Outstanding [member] Member ti:OrdinarySharesOutstandingMember
1873 Savings Shares Issued and Outstanding [member] Member ti:SavingsSharesIssuedAndOutstandingMember
1874 Shares issued [member] Member ti:SharesIssuedMember
1875 Shares outstanding [member] Member ti:SharesOutstandingMember
1876 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1877 Beginning balance Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1878 Change in share issues Concept (Shares) For Period ti:SharesIssuedUnderEmployeeSharePlans
1879 Shares issued for the full convertion of the Mandatory Convertible Bond due 2016 Concept (Shares) For Period ti:IncreaseDecreaseInSharesIssuedThroughConversionOfBond
1880 Ending balance Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1881 Percentage of share capital Concept (Percent) For Period ti:PercentageOfShareCapital
1882 1154 - Disclosure - Equity - Summary of Reconciliation Between the Value of Outstanding Shares (Detail) Network

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1883 Disclosure of classes of share capital [table] Table

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ifrs-full:DisclosureOfClassesOfShareCapitalTable
1884 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1885 Equity [member] Member ifrs-full:EquityMember
1886 Ordinary Shares issued [member] Member ti:OrdinarySharesIssuedMember
1887 Less: Treasury Shares [member] Member ifrs-full:TreasurySharesMember
1888 Ordinary Shares Outstanding [member] Member ti:OrdinarySharesOutstandingMember
1889 Savings Shares Issued and Outstanding [member] Member ti:SavingsSharesIssuedAndOutstandingMember
1890 Share capital [member] Member ifrs-full:IssuedCapitalMember
1891 Share capital outstanding [member] Member ti:ShareCapitalOutstandingMember
1892 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1893 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1894 6.125% Mandatory Convertible Bonds Due 2016 [member] Member ti:SixPointOneTwoFivePercentageMandatoryConvertibleBondsDueTwoThousandSixteenMember
1895 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1896 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1897 TIM S.p.A [member] Member ifrs-full:ParentMember
1898 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
1899 Beginning balance Concept (Monetary) As Of Credit ti:ShareCapitalOutstanding
1900 Change in share issues Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
1901 Ending balance Concept (Monetary) As Of Credit ti:ShareCapitalOutstanding
1902 1155 - Disclosure - Equity - Summary of Sundry Reserves and Retained Earnings (Accumulated Losses), Including Profit (Loss) (Detail) Network

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1903 Disclosure of Sundry Reserves and Retained Earnings Accumulated Losses Increases [Table] Table

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1904 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1905 Equity [member] Member ifrs-full:EquityMember
1906 Sundry reserves and retained earnings (accumulated losses), including profit (loss) for the year [member] Member ifrs-full:RetainedEarningsMember
1907 Disclosure of Sundry Reserves and Retained Earnings Accumulated Losses Increases [Line Items] LineItems ti:DisclosureOfSundryReservesAndRetainedEarningsAccumulatedLossesIncreasessLineItems
1908 IFRS 9 and IFRS 15 Adoption Concept (Monetary) As Of Credit ti:AdjustmentsToEquityDueToAdoptionOfIFRS9AndIFRS15
1909 Profit (loss) for the year attributable to Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1910 Dividends approved-TIM S.p.A. Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
1911 Grant of equity instruments Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
1912 Other changes Concept (Monetary) For Period Credit ti:IncreaseDecreaseInOtherSundryReservesAndRetainedEarningsAccumulatedLosses
1913 Change for the year in Sundry reserves and retained earnings (accumulated losses), including profit (loss) for the year Concept (Monetary) For Period Credit ti:IncreaseDecreaseThroughSundryReservesAndRetainedEarningsAccumulatedLosses
1914 1156 - Disclosure - Equity - Summary of Equity Attributable to Non-controlling Interests (Detail) Network

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1915 Disclosure of Non-controlling Interests [table] Table

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1916 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1917 Equity [member] Member ifrs-full:EquityMember
1918 Non-controlling interests [member] Member ifrs-full:NoncontrollingInterestsMember
1919 Disclosure of Non Controlling Interests [Line Items] LineItems ti:DisclosureOfNoncontrollingInterestsLineItems
1920 IFRS 9 and IFRS 15 Adoption Concept (Monetary) As Of Credit ti:AdjustmentsToEquityDueToAdoptionOfIFRS9AndIFRS15
1921 Profit (loss) for the year attributable to Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1922 Group Company dividends paid to non-controlling shareholders Concept (Monetary) For Period Credit ifrs-full:DividendsPaidToNoncontrollingInterests
1923 Changes in the Reserve for exchange differences on translating foreign operations Concept (Monetary) For Period Credit ti:IncreaseDecreaseInReserveOfExchangeDifferencesOnForeignCurrencyTranslation
1924 Other changes Concept (Monetary) For Period Credit ti:IncreaseDecreaseInNonControllingInterestsOther
1925 Change for the year in Equity attributable to Non-Controlling interests Concept (Monetary) For Period Credit ti:IncreaseDecreaseInNoncontrollingInterests
1926 1157 - Disclosure - Financial Liabilities (Non-current and Current) - Summary of Non-Current and Current Financial Liabilities (Detail) Network

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1927 Disclosure of financial liabilities [table] Table

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1928 Types of hedges [axis] Axis ifrs-full:TypesOfHedgesAxis
1929 Hedges [member] Member ifrs-full:TypesOfHedgesMember
1930 Hedging derivatives [member] Member ti:HedgingDerivativesMember
1931 Non-hedging derivatives [member] Member ti:NonHedgingDerivativesMember
1932 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
1933 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
1934 Cash transaction [member] Member ti:CashTransactionMember
1935 Non cash transaction [member] Member ti:NonCashTransactionMember
1936 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
1937 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
1938 Receipts or issues [member] Member ti:ReceiptsOrIssuesMember
1939 Payments and refunds [member] Member ti:PaymentsAndRefundsMember
1940 Exchange differences on translation [member] Member ti:ExchangeDifferencesOnTranslationMember
1941 Fair value adjustments [member] Member ti:FairValueAdjustmentsMember
1942 Other changes [member] Member ti:OtherChangesMember
1943 Classes of financial liabilities [axis] Axis ifrs-full:ClassesOfFinancialLiabilitiesAxis
1944 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
1945 Additional cash flow information required by IAS 7 [member] Member ifrs-full:FinancialLiabilitiesOutsideScopeOfIFRS7Member
1946 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1947 Financial payables (medium/long-term): Abstract ifrs-full:NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract
1948 Bonds Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
1949 Convertible Bonds Concept (Monetary) As Of Credit ifrs-full:NoncurrentDebtInstrumentsIssued
1950 Amounts due to banks Concept (Monetary) As Of Credit ti:NoncurrentLiabilitiesDueToCentralBanks
1951 Other financial payables Concept (Monetary) As Of Credit ti:OtherNoncurrentPayablesOther
1952 Non current financial liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilitiesAtAmortisedCost
1953 Finance lease liabilities (medium/long-term) Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinanceLeaseLiabilities
1954 Bonds Concept (Monetary) For Period Debit ti:CarryingAmountOfBonds
1955 Convertible Bonds Concept (Monetary) As Of Credit ti:BondsFaceAmount
1956 Short term of financial payables (medium/long term) Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtAmortisedCost
1957 Finance lease liabilities (medium/long-term) Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
1958 Short term of finance lease liabilities (medium/long term) Concept (Monetary) As Of Credit ifrs-full:CurrentFinanceLeaseLiabilities
1959 Non-hedging derivatives Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1960 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1961 Noncurrent financial liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilities
1962 Other current financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
1963 Other financial liabilities (medium/long-term): Abstract ifrs-full:LiabilitiesAbstract
1964 Hedging derivatives relating to hedged items classified as non-currentassets/liabilities of a financial nature Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
1965 Non-hedging derivatives Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1966 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1967 Other non current financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
1968 Noncurrent financial liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilities
1969 Financial payables (short-term): Abstract ifrs-full:CategoriesOfCurrentFinancialLiabilitiesAbstract
1970 Bonds Concept (Monetary) As Of Credit ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued
1971 Convertible Bonds Concept (Monetary) As Of Credit ti:ConvertibleBondsIssuedByCompany
1972 Amounts due to banks Concept (Monetary) As Of Credit ifrs-full:LiabilitiesDueToCentralBanks
1973 Other financial payables Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
1974 Financial payables (short-term) Concept (Monetary) As Of Credit ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
1975 Finance lease liabilities (short-term) Concept (Monetary) As Of Credit ifrs-full:CurrentFinanceLeaseLiabilities
1976 Financial payables current Concept (Monetary) As Of Credit ti:FinancialPayablesCurrent
1977 Total Financial liabilities (Gross financial debt) Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1978 Other financial liabilities (short-term): Abstract ifrs-full:CurrentLiabilitiesAbstract
1979 Hedging derivatives relating to hedged items classified as current assets/liabilities of a financial nature Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
1980 Non-hedging derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1981 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherLiabilities
1982 Other current financial liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentFinancialLiabilities
1983 Total Current financial liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilities
1984 Financial liabilities directly associated with Discontinued operations/Non-currentassets held for sale Concept (Monetary) For Period Credit ifrs-full:NetMovementInRegulatoryDeferralAccountBalancesRelatedToProfitOrLossDirectlyAssociatedWithDiscontinuedOperation
1985 Total Financial liabilities (Gross financial debt) Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1986 Hedging derivatives relating to hedged items classified as current and non-currentassets/liabilities of a financial nature Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
1987 Non hedging derivatives Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
1988 Total Concept (Monetary) As Of Credit ti:NetFinancialLiabilities
1989 1158 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Gross Financial Debt (Detail) Network

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1990 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
1991 Currency [Axis] Axis srt:CurrencyAxis
1992 All Currencies [Domain] Member currency:AllCurrenciesDomain
1993 USD [member] Member currency:USD
1994 GBP [member] Member currency:GBP
1995 BRL [member] Member currency:BRL
1996 JPY [member] Member currency:JPY
1997 EUR [member] Member currency:EUR
1998 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
1999 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2000 1159 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Gross Financial Debt by Effective Interest Rate (Detail) Network

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2001 Disclosure of financial liabilities [table] Table

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ifrs-full:DisclosureOfFinancialLiabilitiesTable
2002 Continuing and discontinued operations [axis] Axis ifrs-full:ContinuingAndDiscontinuedOperationsAxis
2003 Continuing operations [member] Member ifrs-full:ContinuingOperationsMember
2004 Continuing Operations1[member] Member ti:ContinuingOperations1Member
2005 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2006 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2007 Up to 2.5% [member] Member ti:UptoTwoPointFivePercentMember
2008 From 2.5% to 5% [member] Member ti:FromTwoPointFivePercentToFivePercentMember
2009 From 5% to 7.5% [member] Member ti:FromFivePercentToSevenPointFivePercentMember
2010 From 7.5% to 10% [member] Member ti:FromSevenPointFivePercentToTenPercentMember
2011 Over 10% [member] Member ti:OverTenPercentMember
2012 Accruals/Deferrals, MTM and Derivative [member] Member ti:AccrualsAndDeferralsAndMTMAndDerivativeMember
2013 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2014 Risks [member] Member ifrs-full:TypesOfRisksMember
2015 Derivative Hedging Instruments [member] Member ti:DerivativeHedgingInstrumentsMember
2016 Non Designated [Member] Member ti:NonDesignated1Member
2017 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2018 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2019 Total Concept (Monetary) As Of Credit ti:FinancialLiabilitiesExcludingDiscontinuedOperations
2020 1160 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Maturities of Financial Liabilities (Detail) Network

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2021 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
2022 Maturity [axis] Axis ifrs-full:MaturityAxis
2023 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2024 2019 [member] Member ti:YearOneMember
2025 2020 [member] Member ti:YearTwoMember
2026 2021 [member] Member ti:YearThreeMember
2027 2022 [member] Member ti:YearFourMember
2028 2023 [member] Member ti:YearFiveMember
2029 Beyond 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
2030 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2031 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2032 Debt Repayment [member] Member ti:DebtRepaymentMember
2033 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2034 Bonds Concept (Monetary) As Of Credit ti:ConvertibleBondsIssed
2035 Loans and other financial liabilities Concept (Monetary) As Of Credit ti:LoansAndOtherFinancialLiabilities
2036 Finance lease liabilities Concept (Monetary) As Of Credit ifrs-full:FinanceLeaseLiabilities
2037 Total Concept (Monetary) As Of Credit ti:NonCurrentFinancialLiabilitiesAtNominalRepaymentAmount
2038 Current financial liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilities
2039 Total Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2040 1161 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Components of Financial Liabilities (Detail) Network

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2041 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
2042 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2043 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2044 Convertible bonds payable in Euros Due 2022 [member] Member ti:ConvertibleBondsPayableInEurosDueTwoThousandAndSeventeenToTwoThousandTwentyTwoMember
2045 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2046 Non-current portion Concept (Monetary) As Of Credit ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued
2047 Current portion Concept (Monetary) As Of Credit ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued
2048 Total carrying amount Concept (Monetary) For Period Debit ti:CarryingAmountOfBonds
2049 Total carrying amount Concept (Monetary) As Of Credit ti:BondsFaceAmount
2050 Fair value adjustment and measurement at amortized cost Concept (Monetary) As Of Debit ifrs-full:FairValueOfFinancialAssetsReclassifiedOutOfFairValueThroughOtherComprehensiveIncomeCategoryIntoAmortisedCostCategory
2051 Total nominal repayment amount Concept (Monetary) As Of Credit ifrs-full:BondsIssued
2052 Total nominal repayment amount Concept (Monetary) For Period ifrs-full:IncreaseDecreaseInCreditDerivativeNominalAmount
2053 1162 - Disclosure - Financial Liabilities (Non-Current and Current) - Additional Information (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialLiabilitiesNonCurrentAndCurrentAdditionalInformation
2054 Disclosure of financial liabilities [table] Table

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*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
2055 Hedging instruments [axis] Axis ifrs-full:HedgingInstrumentsAxis
2056 Hedging instruments [member] Member ifrs-full:HedgingInstrumentsMember
2057 Hedging derivatives [member] Member ti:HedgingDerivativesMember
2058 Non-hedging derivatives [member] Member ti:NonHedgingDerivativesMember
2059 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2060 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2061 Convertible bonds payable in Euros Due 2022 [member] Member ti:ConvertibleBondsPayableInEurosDueTwoThousandAndSeventeenToTwoThousandTwentyTwoMember
2062 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2063 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2064 TIM S.p.A. [member] Member ti:TIMSPAMember
2065 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2066 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2067 Telecom Italia Finance S.A. [member] Member ti:TelecomItaliaFinanceSAMember
2068 European investment bank [member] Member ti:EuropeanInvestmentBankMember
2069 Total financial debt of the Group Companies other than TIM out of Group's total financial debt [member] Member ti:BorrowingOtherThanCompanyMember
2070 Range [axis] Axis ifrs-full:RangeAxis
2071 Ranges [member] Member ifrs-full:RangesMember
2072 Top of range [member] Member ifrs-full:TopOfRangeMember
2073 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2074 Unsecured equity-linked bond of convertible bonds Concept (Monetary) As Of ti:ConvertibleBondConversionToEquitySharesValue
2075 Coupon rate Concept (Percent) For Period ti:BondsPayableCouponRate
2076 Nominal repayment amount of bonds and convertible bonds Concept (Monetary) As Of ifrs-full:NotionalAmount
2077 Increase (decrease) in repayment due to new issue Concept (Monetary) For Period ifrs-full:IncreaseDecreaseInCreditDerivativeNominalAmount
2078 Long term amount due to banks Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
2079 Decrease in long term due to banks Concept (Monetary) As Of Debit ti:DecreaseInLongTermLoansDueToBanks
2080 Short term amount due to banks Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
2081 Current portion of long term due to banks Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
2082 Long term other financial payables Concept (Monetary) As Of Credit ti:LongTermOtherFinancialPayables
2083 Short term other financial payables Concept (Monetary) As Of Credit ti:ShortTermOtherFinancialPayables
2084 Long term other financial payables, current Concept (Monetary) As Of Credit ti:LongTermOtherFinancialPayablesCurrent
2085 Loans from bank Concept (Monetary) As Of Credit ifrs-full:Borrowings
2086 Maturity period Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
2087 Long term finance lease liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinanceLeaseLiabilities
2088 Short term finance lease liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentFinanceLeaseLiabilities
2089 Assets held under finance lease written down Concept (Monetary) For Period Debit ti:DepreciationOnAssetsHeldUnderFinanceLeases
2090 Non-current derivative liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
2091 Current derivative liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
2092 Direct risk in loan Concept (Monetary) For Period Debit ti:DirectRiskInLoan
2093 Secured loan amount Concept (Monetary) For Period Debit ti:ConvertibleSecuredLoansAmount
2094 Ratio of total financial debt Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
2095 Nominal amount of hedging instrument Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
2096 Number of revolving credit facility Concept (Integer) For Period ti:NumberOfRevolvingCreditFacility
2097 Revolving credit facility Concept (Monetary) As Of Credit ti:RevolvingCreditFacility
2098 Bilateral Term Loans Concept (Monetary) As Of Credit ifrs-full:LoansReceived
2099 Overdraft facilities Concept (Monetary) As Of Credit ifrs-full:BankOverdraftsClassifiedAsCashEquivalents
2100 1163 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Bonds Issued (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialLiabilitiesNonCurrentAndCurrentSummaryOfBondsIssued
2101 Disclosure of financial liabilities [table] Table

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ifrs-full:DisclosureOfFinancialLiabilitiesTable
2102 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2103 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2104 Telecom Italia Finance S.A. [member] Member ti:TelecomItaliaFinanceSAMember
2105 Telecom Italia Capital S.A. [member] Member ti:TelecomItaliaCapitalSAMember
2106 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2107 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2108 TIM S.p.A [member] Member ifrs-full:ParentMember
2109 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2110 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2111 Bonds with 5.375% interest maturing January 29, 2019 [member] Member ti:BondsWithFivePointThreeSevenFivePercentageInterestMaturingJanuaryTwentyNineTwoThousandAndNighteenMember
2112 Bonds with 6.375% interest maturing June 24, 2019 [member] Member ti:BondsWithSixPointThreeSevenFivePercentageInterestMaturingJuneTwentyFourTwoThousandAndNighteenMember
2113 Bonds with 4.000% interest maturing January 21, 2020 [member] Member ti:BondsWithFourPercentageInterestMaturingJanuaryTwentyOneTwoThousandAndTwentyMember
2114 Bonds with 4.875% interest maturing September 25, 2020 [member] Member ti:BondsWithFourPointEightSevenFivePercentageInterestMaturingSeptemberTwoThousandAndTwentyMember
2115 Bonds with 4.500% interest maturing January 25, 2021 [member] Member ti:BondsWithFourPointFiveZeroZeroPercentageInterestMaturingJanuaryTwentyFiveTwoThousandAndTwentyOneMember
2116 Bonds with 6 Month Euribor interest maturing January 1, 2022 [member] Member ti:BondsWithSixMonthEuriborPercentageInterestMaturingJanuaryOneTwoThousandTwentyTwoMember
2117 Bonds with 5.250% interest maturing February 10, 2022 [member] Member ti:BondsWithFivePointTwoFiveZeroPercentageInterestMaturingFebruaryTenTwoThousandAndTwentyTwoMember
2118 Bonds with 1.125% interest maturing March 26, 2022 [member] Member ti:BondsWithOnePointOneTwoFivePercentageInterestMaturingMarchTwentySixTwoThousandAndTwentyTwoMember
2119 Bonds with 5.875% interest maturing May 19, 2023 [member] Member ti:BondsWithFivePointEightSevenFivePercentageInterestMaturingMayNineteenTwoThousandAndTwentyThreeMember
2120 Bonds with 3.250% interest maturing January 16, 2023 [member] Member ti:BondsWiththreePointTwoFiveZeroPercentageInterestMaturingJanuarySixteenTwoThousandAndTwentyThreeMember
2121 Bonds with 2.500% interest maturing July 19, 2023 [member] Member ti:BondsWithTwoPointFiveZeroPercentageInterestMaturingJanuaryNineteenTwoThousandAndSeventeenMember
2122 Bonds with 3.625% interest maturing January 19, 2024 [member] Member ti:BondsWithThreePointSixTwoFivePercentageInterestMaturingJanuaryNineteenTwoThousandAndTwentyFourMember
2123 Bonds with 5.303% interest maturing May 30, 2024 [member] Member ti:BondsWithFivePointThreeZeroThreePercentageInterestMaturingMayThirtyTwoThousandAndTwentyFourMember
2124 Bonds with 3.000% interest maturing September 30, 2025 [member] Member ti:BondsWithThreePercentageInterestMaturingMayThirtyTwoThousandAndTwentyFiveMember
2125 Bonds with 2.875% interest maturing January 28, 2026 [member] Member ti:BondsWithTwoPointEightSevenFivePercentageInterestMaturingJanuaryTwentyEightTwoThousandAndTwentySixMember
2126 Bonds with 3.625% interest maturing May 25, 2026 [member] Member ti:BondsWithThreePointSixTwoFivePercentageInterestMaturingMayTwentyFiveTwoThousandAndTwentySixMember
2127 Bonds with 2.375% interest maturing October 12, 2027 [member] Member ti:BondsWithTwoPointThreeSevenFivePercentageInterestMaturingOctoberTwelveTwoThousandAndTwentySevenMember
2128 Bonds with 5.250% interest maturing March 17, 2055 [member] Member ti:BondsWithFivePointTwoFiveZeroPercentageInterestMaturingMarchSeventeenTwoThousandAndFiftyFiveMember
2129 Bonds with 7.175% interest maturing June 18, 2019 [member] Member ti:BondsWithSevenPointOneSevenFivePercentageInterestMaturingJuneEighteenTwoThousandAndNineteenMember
2130 Bonds with 6.375% interest maturing November 15, 2033 [member] Member ti:BondsWithSixPointThreeSevenFivePercentageInterestMaturingNovemberFifteenTwoThousandAndThirtyThreeMember
2131 Bonds with 6.000% interest maturing September 30, 2034 [member] Member ti:BondsWithSixPercentageInterestMaturingSeptemberThirtyTwoThousandAndThirtyFourMember
2132 Bonds with 7.200% interest maturing July 18, 2036 [member] Member ti:BondsWithSevenPointTwoZeroPercentageInterestMaturingJulyEighteenTwoThousandAndThirtySixMember
2133 Bonds with 7.750% interest maturing January 24, 2033 [member] Member ti:BondsWithSevenPointSevenFiveZeroPercentageInterestMaturingJanuaryTwentyFourTwoThousandAndThirtyThreeMember
2134 Bonds with 7.721% interest maturing June 04, 2038 [member] Member ti:BondsWithSevenPointSevenTwoOnePercentageInterestMaturingJuneFourTwoThousandAndThirtyEightMember
2135 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
2136 Amount Concept (Monetary) As Of Credit ifrs-full:BondsIssued
2137 Nominal repayment amount Concept (Monetary) As Of ifrs-full:NotionalAmount
2138 Coupon Concept (Percent) For Period ti:BondsPayableCouponRate
2139 Issue date Concept (Date) For Period ti:BondsIssueDate
2140 Maturity date Concept (Text/String) For Period ti:BondsMaturityDate
2141 Issue price Concept (Percent) For Period ti:BondsIssuePriceInPercentage
2142 Market price Concept (Percent) For Period ti:BondsMarketPriceInPercentage
2143 Market value Concept (Monetary) As Of Debit ti:BondsMarketValue
2144 1164 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Changes in Bonds (Detail) Network

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2145 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2146 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2147 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2148 Telecom Italia S.p.A. [member] Member ti:TelecomItaliaSpaMember
2149 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2150 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2151 Bonds with 2.875% interest maturing January 28, 2026 [member] Member ti:BondsWithTwoPointEightSevenFivePercentageInterestMaturingJanuaryTwentyEightTwoThousandAndTwentySixMember
2152 Bonds with 4.750% interest [member] Member ti:BondsWithEuroFourPointSevenFivePercentageInterestMember
2153 Bonds with 6.999% interest [member] Member ti:BondsWithUSDSixPointNineNineNinePercentageInterestMember
2154 Bonds with 6.125% interest [member] Member ti:BondsWithEuroSixPointOneTwoFivePercentageInterestMember
2155 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2156 Currency Concept (Text/String) For Period ti:BondsNewIssueCurrency
2157 Amount Concept (Monetary) As Of Debit ti:BondsNewIssueAmount
2158 Issue date Concept (Date) For Period ti:BondsIssueDate
2159 Bonds interest rate Concept (Percent) As Of ti:BondsInterestRate
2160 Bonds buybacks value Concept (Monetary) For Period Debit ti:BondIssuesBuyBack
2161 Currency Concept (Text/String) For Period ti:BondsRepaymentsCurrency
2162 Amount Concept (Monetary) As Of Debit ti:BondsRepaymentsAmount
2163 Repayment date Concept (Text/String) For Period ti:BondsRepaymentDate
2164 1165 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Changes in Bonds (Parenthetical) (Detail) Network

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2165 Disclosure of detailed information about borrowings [table] Table

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ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsTable
2166 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
2167 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
2168 Bonds with 2.875% interest maturing January 28, 2026 [member] Member ti:BondsWithTwoPointEightSevenFivePercentageInterestMaturingJanuaryTwentyEightTwoThousandAndTwentySixMember
2169 Bonds with 4.750% interest [member] Member ti:BondsWithEuroFourPointSevenFivePercentageInterestMember
2170 Bonds with 6.999% interest [member] Member ti:BondsWithUSDSixPointNineNineNinePercentageInterestMember
2171 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2172 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2173 Telecom Italia S.p.A. [member] Member ti:TelecomItaliaSpaMember
2174 Telecom Italia Capital S.A. [member] Member ti:TelecomItaliaCapitalSAMember
2175 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
2176 Bonds interest rate Concept (Percent) As Of ti:BondsInterestRate
2177 Bonds maturity date Concept (Text/String) For Period ti:BondsMaturityDate
2178 Bonds buybacks value Concept (Monetary) For Period Debit ti:BondIssuesBuyBack
2179 1166 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Composition and Drawdown of Committed Credit Lines Available (Detail) Network

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2180 Disclosure Of Detailed Information About Line Of Credit [table] Table

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ti:DisclosureOfDetailedInformationAboutLineOfCreditTable
2181 Credit Facility 1 [axis] Axis ti:CreditFacility1Axis
2182 Credit Facility 1 [domain] Member ti:CreditFacility1Domain
2183 Revolving credit facility-expiring May 2019 [member] Member ti:RevolvingCreditFacilityExpiringMayTwoThousandNineteenMember
2184 Revolving credit facility-expiring March 2020 [member] Member ti:RevolvingCreditFacilityExpiringMarchTwoThousandTwentyMember
2185 Revolving credit facility expiring January 2023 [member] Member ti:RevolvingCreditFacilityExpiringJanuaryTwoThousandTwentyThreeMember
2186 Disclosure Of Detailed Information About Line Of Credit [line items] LineItems ti:DisclosureOfDetailedInformationAboutLineOfCreditLineItems
2187 Revolving Credit Facility Concept (Monetary) As Of Credit ti:DrawnDownAmountAvailableUnderBorrowingFacility
2188 1167 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Three Rating Agencies-standard & Poor's, Moody's and Fitch Ratings-rated Tim (Detail) Network

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2189 Disclosure Of Detailed Information About Line Of Credit [table] Table

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ti:DisclosureOfDetailedInformationAboutLineOfCreditTable
2190 Credit Rating Source [Axis] Axis invest:CreditRatingSourceAxis
2191 Credit Rating Source [Domain] Member invest:CreditRatingSourceDomain
2192 STANDARD & POOR'S [member] Member ti:StandardAndPoorsMember
2193 MOODY'S [member] Member ti:MoodysMember
2194 FITCH RATINGS [member] Member ti:FitchRatingMember
2195 Disclosure Of Detailed Information About Line Of Credit [line items] LineItems ti:DisclosureOfDetailedInformationAboutLineOfCreditLineItems
2196 Rated credit exposures Concept (Text/String) For Period ifrs-full:DescriptionOfRatingAgenciesUsed
2197 Credit rating status Concept (Text/String) For Period ti:CreditRatingStatus
2198 1168 - Disclosure - Financial Liabilities (Non-Current and Current) - Summary of Additional Cash Flow Information (Detail) Network

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2199 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [table] Table

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ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsTable
2200 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
2201 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
2202 Cross currency and interest rate swaps (CCIRS) [member] Member ti:CrosscurrencyInterestRateSwapsMember
2203 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
2204 Equity [member] Member ifrs-full:EquityMember
2205 Interest flows in and out, net [member] Member ti:InterestFlowsInAndOutNetMember
2206 Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [line items] LineItems ifrs-full:DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsLineItems
2207 Interest expense paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
2208 Interest income received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
2209 Net total Concept (Monetary) For Period Credit ti:NetInterestPaid
2210 1169 - Disclosure - Financial Risk Management - Additional Information (Detail) Network

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2211 Disclosure of risk management strategy related to hedge accounting [table] Table

*

*

ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingTable
2212 Range [axis] Axis ifrs-full:RangeAxis
2213 Ranges [member] Member ifrs-full:RangesMember
2214 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
2215 Top of range [member] Member ifrs-full:TopOfRangeMember
2216 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2217 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2218 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
2219 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
2220 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
2221 Risks [member] Member ifrs-full:TypesOfRisksMember
2222 Interest Rate Risk [member] Member ifrs-full:InterestRateRiskMember
2223 Credit risk [member] Member ifrs-full:CreditRiskMember
2224 Liquidity risk [member] Member ifrs-full:LiquidityRiskMember
2225 Disclosure of risk management strategy related to hedge accounting [line items] LineItems ifrs-full:DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
2226 Percentage of nominal amount on medium long-term non-current financial liabilities Concept (Percent) For Period ti:PercentageOfNominalAmountOnMediumLongTermNonCurrentFinancialLiabilities
2227 Description of interest rates in various markets, basis points Concept (Text/String) For Period ifrs-full:MethodsUsedInPreparingSensitivityAnalysisReflectingInterdependenciesBetweenRiskVariables
2228 Finance expenses, before the income tax effect Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
2229 Deposits Concept (Text/String) For Period ti:ShortTermDepositsMaturityDuration
2230 Refinancing requirements term on irrevocable bank lines and liquidity Concept (Text/String) For Period ti:RefinancingRequirementsIrrevocableBankLinesAndLiquidity
2231 Gross financial debt percentage Concept (Percent) For Period ti:GrossFinancialDebtPercentage
2232 Financial debt nominal repayment Concept (Text/String) For Period ti:FinancialDebtRepaymentTerm
2233 Financial liabilities repayment term Concept (Text/String) For Period ti:FinancialLiabilitiesRepaymentTerm
2234 1170 - Disclosure - Financial Risk Management - Summary of Total Financial Liabilities at Nominal Repayment Amount (Detail) Network

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2235 Disclosure of financial liabilities [table] Table

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*

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2236 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
2237 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
2238 Fixed interest rate [member] Member ifrs-full:FixedInterestRateMember
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2248 Total Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
2249 1171 - Disclosure - Financial Risk Management - Summary of Total Financial Liabilities at Nominal Repayment Amount (Parenthetical) (Detail) Network

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*

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2250 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
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2255 Current financial liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
2256 1172 - Disclosure - Financial Risk Management - Summary of Total Financial Assets (Detail) Network

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*

http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialRiskManagementSummaryOfTotalFinancialAssets
2257 Disclosure of financial assets [table] Table

*

*

ifrs-full:DisclosureOfFinancialAssetsTable
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2261 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
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2267 Cash and cash equivalents [member] Member ti:CashAndCashEquivalentMember
2268 Securities other than investments [member] Member ifrs-full:TradingSecuritiesMember
2269 Other receivables [member] Member ifrs-full:TradeReceivablesMember
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2276 Effective interest rate Concept (Percent) As Of ifrs-full:EffectiveInterestRateDeterminedOnDateOfReclassificationOfFinancialAssetsFirstApplicationOfIFRS9
2277 1173 - Disclosure - Financial Risk Management - Summary of Total Financial Liabilities (Detail) Network

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*

http://imetrix.edgar-online.com/taxonomy/role/DisclosureFinancialRiskManagementSummaryOfTotalFinancialLiabilities
2278 Disclosure of financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfFinancialLiabilitiesTable
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2286 1174 - Disclosure - Financial Risk Management - Summary of Financial liabilities-Maturities of Contractually Expected Disbursements (Detail) Network

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*

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2287 Disclosure of maturity analysis for derivative financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable
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2291 2020 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
2292 2021 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
2293 2022 [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
2294 2023 [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
2295 Beyond 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
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2299 Loans and other financial liabilities member [member] Member ti:LoansAndOtherFinancialLiabilitiesMemberMember
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2307 Current financial liabilities, principal Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtAmortisedCost
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2309 Financial liabilities, interest Concept (Monetary) As Of Credit ifrs-full:NetAmountsForPayfloatingReceivefixedInterestRateSwapsForWhichNetCashFlowsAreExchanged
2310 1175 - Disclosure - Financial Risk Management - Summary of Derivatives on Financial Liabilities-Contractually Expected Interest Flows (Detail) Network

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2311 Disclosure of maturity analysis for derivative financial liabilities [table] Table

*

*

ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable
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2315 2020 [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
2316 2021 [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
2317 2022 [member] Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
2318 2023 [member] Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
2319 Beyond 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
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2329 1176 - Disclosure - Derivatives - Schedule of Derivative Financial Instrument By Type (Detail) Network

*

*

http://imetrix.edgar-online.com/taxonomy/role/DisclosureDerivativesScheduleOfDerivativeFinancialInstrumentByType
2330 Derivative financial instruments [table] Table

*

*

ti:DerivativeFinancialInstrumentsTable
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2334 Cash flow hedges [member] Member ifrs-full:CashFlowHedgesMember
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2339 Cross currency and interest rate swaps (CCIRS) [member] Member ti:CrosscurrencyInterestRateSwapsMember
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2358 Equity reserve balance [member] Member ti:EquityReserveBalanceMember
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2362 Nominal value Concept (Decimal) As Of ifrs-full:NominalAmountOfHedgingInstrument
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2364 Change in fair value for the year Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCreditDerivativeFairValue
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2366 Reclassification to P&L Concept (Monetary) For Period Credit ifrs-full:ReclassificationOutOfFinancialAssetsAtFairValueThroughProfitOrLoss
2367 1177 - Disclosure - Derivatives - Additional Information (Detail) Network

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*

http://imetrix.edgar-online.com/taxonomy/role/DisclosureDerivativesAdditionalInformation
2368 Implied Table Table

*

*

implied:Table
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2371 1178 - Disclosure - Derivatives - Summary of change in the equity reserve attributable to the effective hedging component (Detail) Network

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*

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2372 Disclosure of reserves within equity [table] Table

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*

ifrs-full:DisclosureOfReservesWithinEquityTable
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2379 Changes in C V A and D V A [member] Member ti:ChangesInCVAAndDVAMember
2380 Reversal for ineffectiveness two thousand seventeen [member] Member ti:ReversalForIneffectivenessTwoThousandSeventeenMember
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2386 Hedging instrument gains / losses Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
2387 Reversal from reclassification Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax
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2390 Change in equity reserves attributable to derivative instruments ending balance Concept (Monetary) As Of Debit ti:ChangeInEquityReservesAttributableToDerivativeInstruments
2391 1179 - Disclosure - Derivatives - Schedule of Transactions hedged by Cash Flow Hedges (Detail) Network

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2392 Derivative financial instruments [table] Table

*

*

ti:DerivativeFinancialInstrumentsTable
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2402 Derivative instrument at 5.000% [member] Member ti:DerivativeInstrumentAtFivePointZeroZeroZeroPercentMember
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2406 Derivative Instrument at 6% [member] Member ti:DerivativeInstrumentAtSixPercentMember
2407 Derivative Instrument at 5.303% [member] Member ti:DerivativeInstrumentAtFivePointThreeZeroPercentMember
2408 Derivative instrument at 7.200% [member] Member ti:DerivativeInstrumentAtSevenPointTwoZeroZeroPercentMember
2409 Derivative instrument at 7.720% [member] Member ti:DerivativeInstrumentAtSevenPointSevenTwoOnePercentMember
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2413 End of period Concept (Text/String) For Period ti:DerivativeCashFlowHedgesEndPeriod
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2417 Foreign exchange hedging rate Concept (Decimal) As Of ifrs-full:ClosingForeignExchangeRate
2418 1180 - Disclosure - Derivatives - Schedule of Transactions hedged by Cash Flow Hedges (Parenthetical) (Detail) Network

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*

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2419 Derivative financial instruments [table] Table

*

*

ti:DerivativeFinancialInstrumentsTable
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2428 1181 - Disclosure - Supplementary Disclosures on Financial Instruments - Carrying Amount and Fair Value Hierarchy for Each Category/Class of Financial Asset/Liability (Detail) Network

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*

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2429 Disclosure of detailed information about financial instruments [table] Table

*

*

ifrs-full:DisclosureOfFinancialInstrumentsTable
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2520 Securities other than investments available for sale Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAvailableforsale
2521 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
2522 Financial assets at fair value through profit or loss held for trading Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading
2523 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
2524 Other receivables (current) Concept (Monetary) As Of Debit ti:CurrentReceivablesFromFinancialServices
2525 Contract Assets Concept (Monetary) As Of Debit ifrs-full:CurrentContractAssets
2526 Financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
2527 Non-current assets Abstract ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
2528 Non-current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
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2530 Hedging derivatives Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
2531 Current Assets Abstract ifrs-full:CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
2532 Securities other than investments Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
2533 Financial assets measured at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2534 Current Assets Abstract ifrs-full:MiscellaneousCurrentAssetsAbstract
2535 Hedging derivatives Concept (Monetary) As Of Debit ifrs-full:CurrentDerivativeFinancialAssets
2536 Financial receivables for lease contracts Concept (Monetary) As Of Debit ifrs-full:FinanceLeaseReceivables
2537 1182 - Disclosure - Supplementary Disclosures on Financial Instruments - Summary of Gains and Losses by IAS 39 Category (Detail) Network

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2538 Disclosure of detailed information about financial instruments [table] Table

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2545 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
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2547 Loans and Receivables Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnLoansAndReceivables
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2549 Available-for-Sale financial assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnAvailableforsaleFinancialAssets
2550 Assets measured at fair value recognized in the statements of comprehensive income Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax
2551 Financial Assets/Liabilities Held for Trading Concept (Monetary) For Period Credit ti:GainsLossesOnFinancialInstrumentsHeldForTrading
2552 Financial Liabilities at Amortized Cost Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialLiabilitiesAtAmortisedCost
2553 Total Concept (Monetary) As Of Credit ti:GainsLossesOnFinancialInstrumentsNotAtFairValueThroughProfitOrLoss
2554 Assets measured at amortized cost Concept (Monetary) For Period Credit ifrs-full:InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost
2555 Assets and liabilities measured at fair value through profit or loss Concept (Monetary) For Period Credit ti:InterestIncomeForFinancialInstrumentsMeasuredAtFairValueThroughProfitOrLoss
2556 Assets measured at fair value recognized in the statements of comprehensive income Concept (Monetary) For Period Credit ti:InterestIncomeForFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
2557 Liabilities measured at amortized cost Concept (Monetary) For Period Credit ti:InterestIncomeOnFinancialLiabilitiesMeasuredAtAmortizedCost
2558 Total Concept (Monetary) For Period Credit ti:InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLoss
2559 Loans and Receivables Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnLoansAndReceivables
2560 Financial Liabilities at Amortized Cost Concept (Monetary) For Period Credit ifrs-full:InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost
2561 Total Concept (Monetary) For Period Credit ti:InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLoss
2562 1183 - Disclosure - Supplementary Disclosures on Financial Instruments - Summary of Gains and Losses by IAS 39 Category (Parenthetical) (Detail) Network

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2563 Implied Table Table

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2564 Disclosure of detailed information about financial instruments [abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
2565 Fees and expenses not included in the effective interest rate Concept (Monetary) For Period Credit ifrs-full:FeeIncomeExpenseArisingFromFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLoss
2566 1184 - Disclosure - Employee Benefits - Additional Information (Detail) Network

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2567 Disclosure of defined benefit plans [table] Table

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ifrs-full:DisclosureOfDefinedBenefitPlansTable
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2571 Provision for pension plans and other [member] Member ti:ProvisionForPensionAndOtherPlansMember
2572 Provision for termination benefit incentives [member] Member ti:ProvisionForTerminationBenefitIncentivesMember
2573 Provision for employee severance indemnities [member] Member ti:ProvisionForEmployeeSeveranceIndemnitiesMember
2574 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
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2576 Actuarial assumption of decrease in discount rates [member] Member ti:ActuarialAssumptionOfDecreaseInDiscountRatesMember
2577 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
2578 Increase (decrease) in employee benefits Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInNetDefinedBenefitLiabilityAsset
2579 Increase (decrease) in provision for employee severance indemnities Concept (Monetary) As Of Credit ti:IncreaseDecreaseInProvisionForEmployeeSeverance
2580 Net actuarial gains (losses) recognized Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
2581 Changes in discount rates Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
2582 Inflation rate Concept (Percent) For Period ti:InflationRate
2583 Provision for employee benefits Concept (Monetary) As Of Credit ifrs-full:ProvisionsForEmployeeBenefits
2584 Weighted average duration of the obligation Concept (Decimal) For Period ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation
2585 Increase (decrease) in provision for termination benefit incentives Concept (Monetary) As Of Credit ti:IncreaseDecreaseInProvisionForTerminationBenefitIncentives
2586 Increase in employee benefits Concept (Monetary) For Period Credit ti:IncreasesInPresentValueOfProvisionsForEmployeeBenefits
2587 Decrease in employee benefits Concept (Monetary) For Period Debit ti:DecreasesInPresentValueOfProvisionsForEmployeeBenefits
2588 1185 - Disclosure - Employee Benefits - Summary of Provisions for Employee Benefits (Detail) Network

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2589 Disclosure of defined benefit plans [table] Table

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ifrs-full:DisclosureOfDefinedBenefitPlansTable
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2593 Provision for pension plans and other [member] Member ti:ProvisionForPensionAndOtherPlansMember
2594 Provision for termination benefit incentives and Corporate restructuring expenses [member] Member ti:ProvisionForTerminationBenefitIncentivesAndCorporateRestructuringExpensesMember
2595 Other provisions for employee benefits [member] Member ti:OtherProvisionsForEmployeeBenefitsMember
2596 Disclosure of defined benefit plans [line items] LineItems ifrs-full:DisclosureOfDefinedBenefitPlansLineItems
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2599 Decrease Concept (Monetary) For Period Debit ti:DecreasesInPresentValueOfProvisionsForEmployeeBenefits
2600 Exchange differences and other changes Concept (Monetary) For Period Credit ti:IncreaseDecreaseThroughChangesInForeignExchangeRatesAndOtherChanges
2601 Employee benefits, ending balance Concept (Monetary) As Of Credit ifrs-full:ProvisionsForEmployeeBenefits
2602 Non-current portion, beginning balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisionsForEmployeeBenefits
2603 Non-current portion, ending balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisionsForEmployeeBenefits
2604 Current portion, beginning balance Concept (Monetary) As Of Credit ifrs-full:CurrentProvisionsForEmployeeBenefits
2605 Current portion, ending balance Concept (Monetary) As Of Credit ifrs-full:CurrentProvisionsForEmployeeBenefits
2606 1186 - Disclosure - Employee Benefits - Summary of Increases in Present Value of Employee Benefits (Detail) Network

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2607 Implied Table Table

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2608 Disclosure of defined benefit plans [abstract] Abstract ifrs-full:DisclosureOfDefinedBenefitPlansAbstract
2609 (Positive)/negative effect of curtailment Concept (Monetary) For Period Debit ti:IncreaseDecreaseOfCurtailmentNetDefinedBenefitLiabilityAsset
2610 Current service cost Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
2611 Finance expenses Concept (Monetary) For Period Credit ti:FinanceExpensesNetDefinedBenefitLiabilityAsset
2612 Net actuarial (gains) losses for the year Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
2613 Total Concept (Monetary) For Period Credit ti:IncreasesInPresentValueOfEmployeeBenefits
2614 1187 - Disclosure - Employee Benefits - Summary of Increases in Present Value of Employee Benefits (Parenthetical) (Detail) Network

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2615 Disclosure of defined benefit plans [table] Table

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2620 Number of employees Concept (Decimal) As Of ifrs-full:NumberOfEmployees
2621 1188 - Disclosure - Employee Benefits - Summary of Employee Benefits Assumptions (Detail) Network

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2622 Disclosure Of Emplyee Benefits Assumptions [table] Table

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2624 Government Grants [domain] Member ti:GovernmentGrantsDomain
2625 Executives [member] Member ti:ExecutivesMember
2626 Non executives [member] Member ti:NonExecutivesMember
2627 Maturity [axis] Axis ifrs-full:MaturityAxis
2628 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2629 Equal to or less than 40 years of age [member] Member ti:EqualToOrLessThanFortyYearsOfAgeMember
2630 Over 40 but equal to or less than 55 years of age [member] Member ti:OverFortyButEqualToOrLessThanFiftyYearsOfAgeMember
2631 Over 55 years of age [member] Member ti:OverFiftyYearsOfAgeMember
2632 Up to 40 years of age [member] Member ti:UpToFortyYearsOfAgeMember
2633 From 41 to 50 years of age [member] Member ti:FromFortyOneToFiftyYearsOfAgeMember
2634 From 51 to 59 years of age [member] Member ti:FromFiftyOneToFiftyNineYearsOfAgeMember
2635 From 60 to 64 years of age [member] Member ti:FromSixtyToSixtyFourYearsOfAgeMember
2636 Over 65 years of age [member] Member ti:OverSixtyFiveYearsOfAgeMember
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2638 Inflation rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflation
2639 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
2640 Employee severance indemnities annual increase rate Concept (Percent) For Period ti:ActuarialAssumptionOfEmployeeSeveranceIndemnitiesAnnualIncreaseRate
2641 Annual real wage growth Concept (Percent) For Period ti:ActuarialAssumptionOfIncreaseInEmployeeBenefitsCompensation
2642 Probability of death Concept (Text/String) For Period ti:ActuarialAssumptionOfProbabilityOfDeath
2643 Probability of disability Concept (Text/String) For Period ti:ActuarialAssumptionOfProbabilityOfDisability
2644 Probability of resignation: Abstract ti:ActuarialAssumptionOfProbabilityOfResignationAbstract
2645 Probability of resignation Concept (Percent) As Of ti:ActuarialAssumptionOfProbabilityOfResignationRate
2646 Probability of retirement Concept (Text/String) For Period ti:ActuarialAssumptionOfProbabilityOfRetirement
2647 Probability of receiving at the beginning of the year an advance from the provision for severance indemnities accrued equal to 70% Concept (Percent) As Of ti:ActuarialAssumptionRateOfProbabilityOfReceivingAdvanceFromProvisionForSeveranceIndemnities
2648 1189 - Disclosure - Employee Benefits - Summary of Employee Benefits Assumptions (Parenthetical) (Detail) Network

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2649 Disclosure Of Emplyee Benefits Assumptions [table] Table

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ti:DisclosureOfEmplyeeBenefitsAssumptionsTable
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2653 Non executives [member] Member ti:NonExecutivesMember
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2655 Advance from the provision for severance indemnities accrued, percentage Concept (Percent) As Of ti:PercentageOfAdvanceFromProvisionForSeveranceIndemnitiesAccrued
2656 1190 - Disclosure - Employee Benefits - Summary of Sensitivity Analysis for Actuarial Assumptions (Detail) Network

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2657 Disclosure of sensitivity analysis for actuarial assumptions [table] Table

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ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable
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2661 Actuarial assumption of expected rates of inflation [member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfInflationMember
2662 Actuarial assumption of discount rates [member] Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
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2665 +0.25 p.p [member] Member ti:AboveZeroPointTwoFivePensionPlanMember
2666 -0.25 p.p [member] Member ti:BelowZeroPointTwoFivePensionPlanMember
2667 Disclosure of sensitivity analysis for actuarial assumptions [line items] LineItems ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems
2668 Annual discount rate Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
2669 1191 - Disclosure - Provisions - Additional Information (Detail) Network

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2670 Disclosure of other provisions [table] Table

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ifrs-full:DisclosureOfOtherProvisionsTable
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2673 Domestic business unit [member] Member ifrs-full:CountryOfDomicileMember
2674 Classes of other provisions [axis] Axis ifrs-full:ClassesOfProvisionsAxis
2675 Other provisions [member] Member ifrs-full:OtherProvisionsMember
2676 Provision for taxation and tax risks [member] Member ti:ProvisionForTaxationAndTaxRisksMember
2677 Provision for restoration costs [member] Member ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
2678 Provision for legal disputes [member] Member ifrs-full:LegalProceedingsProvisionMember
2679 Settlement agreement [member] Member ti:SettlementAgreementMember
2680 Segments [axis] Axis ifrs-full:SegmentsAxis
2681 Segments [member] Member ifrs-full:SegmentsMember
2682 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
2683 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
2684 Increase (decrease) in other provisions Concept (Monetary) For Period Credit ifrs-full:ChangesInOtherProvisions
2685 Other provisions Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2686 Provision used directly Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
2687 Provision for charges on investments and corporate-related transactions Concept (Monetary) As Of Credit ti:ProvisionForChargesOnInvestmentsAndCorporateRelatedTransactions
2688 1192 - Disclosure - Provisions - Summary Of Other Provisions (Detail) Network

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2689 Disclosure of other provisions [table] Table

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ifrs-full:DisclosureOfOtherProvisionsTable
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2693 Provision for restoration costs [member] Member ifrs-full:ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
2694 Provision for legal disputes [member] Member ifrs-full:LegalProceedingsProvisionMember
2695 Provision for commercial risks [member] Member ti:ProvisionForCommercialRisksMember
2696 Provision for risks and charges on investments and corporate-related transactions [member] Member ti:ProvisionForRisksAndChargesOnInvestmentsAndCorporateRelatedTransactionsMember
2697 Other provisions [member] Member ifrs-full:MiscellaneousOtherProvisionsMember
2698 Disclosure of other provisions [line items] LineItems ifrs-full:DisclosureOfOtherProvisionsLineItems
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2700 Increase Concept (Monetary) For Period Credit ifrs-full:NewProvisionsOtherProvisions
2701 Used through income statement Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInExistingProvisionsOtherProvisions
2702 Used directly Concept (Monetary) For Period Debit ifrs-full:ProvisionUsedOtherProvisions
2703 Exchange differences and other changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions
2704 Ending balance Concept (Monetary) As Of Credit ifrs-full:OtherProvisions
2705 Non-current portion, ending balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
2706 Non-current portion, beginning balance Concept (Monetary) As Of Credit ifrs-full:NoncurrentProvisions
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2708 Current portion, ending balance Concept (Monetary) As Of Credit ifrs-full:CurrentProvisions
2709 1193 - Disclosure - Miscellaneous Payables and Other Non-Current Liabilities - Additional Information (Detail) Network

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2710 Disclosure Miscellaneous Payables And Other Non Current Liabilities [table] Table

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2714 Maturity [axis] Axis ifrs-full:MaturityAxis
2715 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
2716 First Installment [member] Member ti:FirstInstallmentMember
2717 Second Installment Due September 2019 [member] Member ti:SecondInstallmentDueSeptember2019Member
2718 Third Installment Due September 2020 [member] Member ti:ThirdInstallmentDueSeptember2020Member
2719 Fourth Installment Due September 2021 [member] Member ti:FourthInstallmentDueSeptember2021Member
2720 Fifth Installment Due September 2022 [member] Member ti:FifthInstallmentDueSeptember2022Member
2721 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
2722 Products and services [member] Member ifrs-full:ProductsAndServicesMember
2723 Activation and installation fees [member] Member ti:ActivationAndInstallationFeesMember
2724 Network access fees [member] Member ti:NetworkAccessFeesMember
2725 Subscription fees and rent and maintenance [member] Member ti:SubscriptionFeesAndRentAndMaintenanceMember
2726 Disclosure Miscellaneous Payables And Other Non Current Liabilities [line items] LineItems ti:DisclosureMiscellaneousPayablesAndOtherNonCurrentLiabilitiesLineItems
2727 Increase (decrease) in miscellaneous payables and other non-current liabilities Concept (Monetary) For Period Debit ti:IncreaseDecreaseInTradeAndMiscellaneousPayableAndOtherCurrentLiabilities
2728 Payables to social security agencies Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2729 Other payables Concept (Monetary) As Of Credit ifrs-full:OtherPayables
2730 Investment Concept (Monetary) As Of Debit ifrs-full:InvestmentProperty
2731 Payment of installment Concept (Monetary) For Period Credit ti:PaymentsToAcquireIntangibleAssets
2732 Nominal value of residual debt, non current Concept (Monetary) As Of Credit ti:NominalValueOfResidualDebtNonCurrent
2733 Nominal value of residual debt, current Concept (Monetary) As Of Credit ti:NominalValueOfResidualDebtCurrent
2734 Contract liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentContractLiabilities
2735 Deferred income Concept (Monetary) As Of Credit ti:TradeAndMiscellaneousDeferredIncome
2736 Other deferred revenue and income Concept (Monetary) As Of Credit ti:OtherDeferredRevenueAndIncome
2737 Other deferred revenue and income, non-current portion Concept (Monetary) As Of Credit ti:OtherDeferredRevenueAndIncomeNoncurrent
2738 Capital grants remaining useful life Concept (Text/String) For Period ti:CapitalGrantsRemainingUsefulLifeInYears
2739 Capital grants Concept (Monetary) As Of Credit ti:CapitalGrants
2740 1194 - Disclosure - Miscellaneous Payables and Other Non-Current Liabilities - Schedule of Miscellaneous Payables and Other Non-Current Liabilities (Detail) Network

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2741 Implied Table Table

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implied:Table
2742 Miscellaneous current liabilities [abstract] Abstract ifrs-full:MiscellaneousCurrentLiabilitiesAbstract
2743 Miscellaneous payables (non-current) Abstract ifrs-full:MiscellaneousNoncurrentLiabilitiesAbstract
2744 Payables to social security agencies Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2745 Income tax payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesNoncurrent
2746 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentPayables
2747 Non current payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
2748 Other non current liabilities Abstract ti:OtherNoncurrentFinancialLiabilitiesAbstract
2749 Deferred revenues from contract with customers (Contract liabilities) Concept (Monetary) As Of Credit ifrs-full:NoncurrentContractLiabilities
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2751 Capital grants Concept (Monetary) As Of Credit ti:CapitalGrants
2752 Deferred income Concept (Monetary) As Of Credit ti:TradeAndMiscellaneousDeferredIncome
2753 Other non current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousOtherNoncurrentLiabilities
2754 Miscellaneous payables and other non-current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousPayablesAndOtherNoncurrentLiabilities
2755 1195 - Disclosure - Miscellaneous Payables and Other Non-Current Liabilities - Summary of Impact Caused by Adoption of IFRS 15 (Detail) Network

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2756 Disclosure Payables To Social Security Agencies [table] Table

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ti:DisclosurePayablesToSocialSecurityAgenciesTable
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2758 New IFRSs [member] Member ifrs-full:NewIFRSsMember
2759 IFRS 15 Reclassification [member] Member ti:IFRS15Member
2760 IFRS 15 reclassifications [member] Member ti:IFRS15ReclassificationsMember
2761 IFRS 15 adjustments [member] Member ti:IFRS15AdjustmentsMember
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2763 Miscellaneous payables (non-current) Abstract ifrs-full:MiscellaneousNoncurrentLiabilitiesAbstract
2764 Payables to social security agencies Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2765 Income tax payables Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesNoncurrent
2766 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
2767 Miscellaneous payables Concept (Monetary) As Of Credit ti:NonCurrentMiscellaneousPayables
2768 Other non current liabilities Abstract ti:OtherNoncurrentFinancialLiabilitiesAbstract
2769 Deferred revenues from contract with customers (Contract liabilities) Concept (Monetary) As Of Credit ifrs-full:NoncurrentContractLiabilities
2770 Other deferred revenue and income Concept (Monetary) As Of Credit ti:OtherDeferredRevenueAndIncome
2771 Capital grants Concept (Monetary) As Of Credit ti:CapitalGrants
2772 Deferred income Concept (Monetary) As Of Credit ti:TradeAndMiscellaneousDeferredIncome
2773 Other non current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousOtherNoncurrentLiabilities
2774 Miscellaneous payables and other non-current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousPayablesAndOtherNoncurrentLiabilities
2775 1196 - Disclosure - Miscellaneous Payables and Other Non-Current Liabilities - Schedule of Payables to Social Security Agencies (Detail) Network

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2776 Disclosure Payables To Social Security Agencies [table] Table

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ti:DisclosurePayablesToSocialSecurityAgenciesTable
2777 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
2778 Past due status [member] Member ifrs-full:PastDueStatusMember
2779 From 2 to 5 years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
2780 Beyond 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
2781 Disclosure Payables To Social Security Agencies [line items] LineItems ti:DisclosurePayablesToSocialSecurityAgenciesLineItems
2782 Non-currentpayables: Abstract ifrs-full:NoncurrentLiabilitiesAbstract
2783 Non-current payables Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2784 Current payables Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2785 Trade payables Concept (Monetary) As Of Credit ifrs-full:PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2786 1197 - Disclosure - Trade and Miscellaneous Payables and Other Current Liabilities - Additional Information (Detail) Network

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2787 Disclosure Of Trade And Miscellaneous Payables And Other Current Liabilities [table] Table

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ti:DisclosureOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesTable
2788 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
2789 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
2790 TIM S.p.A [member] Member ifrs-full:ParentMember
2791 Segments [axis] Axis ifrs-full:SegmentsAxis
2792 Segments [member] Member ifrs-full:SegmentsMember
2793 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
2794 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
2795 Products and services [member] Member ifrs-full:ProductsAndServicesMember
2796 Activation and installation fees [member] Member ti:ActivationAndInstallationFeesMember
2797 Interconnection charges [member] Member ti:InterconnectionChargesMember
2798 Rent and maintenance [member] Member ti:RentAndMaintenanceMember
2799 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
2800 Currently stated [member] Member ifrs-full:RestatedMember
2801 IFRS 15 Reclassification [member] Member ti:IFRS15Member
2802 Disclosure of Trade and Miscellaneous Payables and Other Current Liabilities [Line Items] LineItems ti:DisclosureOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesLineItems
2803 Increase (decrease) in miscellaneous payables and other non-current liabilities Concept (Monetary) For Period Debit ti:InceraseDecreaseInTradeAndMiscellaneousPayableAndOtherCurrentLiabilities
2804 Trade payable Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
2805 Tax payables Concept (Monetary) As Of Credit ifrs-full:PayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
2806 Government concession tax Concept (Monetary) As Of Credit ti:PayableToGovernmentConcessionTax
2807 Withholding tax payables Concept (Monetary) As Of Credit ti:WithholdingTaxPayableCurrent
2808 VAT payable Concept (Monetary) As Of Credit ti:VATPayable
2809 Other tax payables Concept (Monetary) As Of Credit ti:OtherTaxPayable
2810 Other current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousOtherCurrentLiabilities
2811 Liabilities from customer contracts (Contract liabilities) Concept (Monetary) As Of Credit ifrs-full:CurrentContractLiabilities
2812 Current contract liabilities Concept (Monetary) As Of Credit ifrs-full:ContractLiabilities
2813 Liabilities from customer contracts (Contract liabilities) from customer-related items Concept (Monetary) As Of Credit ti:CurrentContractLiabilitiesCustomerRelatedItems
2814 Liabilities from customer contracts (Contract liabilities) from progress payments and advances relating to trade payables following prepayments Concept (Monetary) As Of Credit ti:CurrentContractLiabilitiesProgressPaymentsAndAdvancesRelatingToTradePayables
2815 Deferred revenues from customer contracts Concept (Monetary) As Of Credit ti:DeferredRevenuesFromCustomerContractsCurrent
2816 Other deferred revenue and income Concept (Monetary) As Of Credit ti:OtherDeferredRevenueAndIncomeClassifiedAsCurrent
2817 1198 - Disclosure - Trade and Miscellaneous Payables and Other Current Liabilities - Summary of Trade and Miscellaneous Payables and Other Current Liabilities (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesSummaryOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilities
2818 Disclosure Of Trade And Miscellaneous Payables And Other Current Liabilities [table] Table

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ti:DisclosureOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesTable
2819 Measurement [axis] Axis ifrs-full:MeasurementAxis
2820 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
2821 Financial Instruments [member] Member ti:FinancialInstrumentsMember
2822 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
2823 Currently stated [member] Member ifrs-full:RestatedMember
2824 Previously Stated [Member] Member ifrs-full:PreviouslyStatedMember
2825 IFRS 15 reclassifications [member] Member ti:IFRS15ReclassificationsMember
2826 IFRS 15 adjustments [member] Member ifrs-full:IncreaseDecreaseDueToApplicationOfIFRS15Member
2827 Disclosure of Trade and Miscellaneous Payables and Other Current Liabilities [Line Items] LineItems ti:DisclosureOfTradeAndMiscellaneousPayablesAndOtherCurrentLiabilitiesLineItems
2828 Payables on construction work Concept (Monetary) As Of Credit ti:PaymentsToConstructionWork
2829 Trade payables Abstract ifrs-full:TradeAndOtherPayablesAbstract
2830 Payables to suppliers Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesToTradeSuppliers
2831 Payables to other telecommunication operators Concept (Monetary) For Period Debit ti:PaymentsToTelecommunicationsOperators
2832 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
2833 Payables to suppliers Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayablesToTradeSuppliers
2834 Payables to other telecommunication operators Concept (Monetary) For Period Debit ti:PaymentsToTelecommunicationsOperators
2835 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
2836 Tax payables Concept (Monetary) As Of Credit ti:IncomeTaxesPayable
2837 Miscellaneous payables Abstract ifrs-full:MiscellaneousCurrentLiabilitiesAbstract
2838 Payables for employee compensation Concept (Monetary) As Of Credit ti:PaymentsToEmployeeCompensation
2839 Payables to social security agencies Concept (Monetary) As Of Credit ti:PaymentsToSocialSecurityAgencies
2840 Payables for "TLC operating fee" Concept (Monetary) As Of Credit ti:PayableForTLCOperatingFee
2841 Dividends approved, but not yet paid to shareholders Concept (Monetary) As Of Credit ifrs-full:DividendPayables
2842 Other Concept (Monetary) As Of Credit ti:OtherCurrentMiscellaneousPayables
2843 Employee benefits (except for Employee severance indemnities) for the current portion expected to be settled within 1 year Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan
2844 Provisions for risks and charges for the current portion expected to be settled within 1 year Concept (Monetary) As Of Credit ifrs-full:ShorttermMiscellaneousOtherProvisions
2845 Payables for employee compensation Concept (Monetary) As Of Credit ti:PaymentsToEmployeeCompensation
2846 Payables to social security agencies Concept (Monetary) As Of Credit ti:PaymentsToSocialSecurityAgencies
2847 Payables for "TLC operating fee" Concept (Monetary) As Of Credit ti:PayableForTLCOperatingFee
2848 Dividends approved, but not yet paid to shareholders Concept (Monetary) As Of Credit ifrs-full:DividendPayables
2849 Other Concept (Monetary) As Of Credit ti:OtherCurrentMiscellaneousPayables
2850 Employee benefits (except for Employee severance indemnities) for the current portion expected to be settled within 1 year Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan
2851 Provisions for risks and charges for the current portion expected to be settled within 1 year Concept (Monetary) As Of Credit ifrs-full:ShorttermMiscellaneousOtherProvisions
2852 Miscellaneous payables Concept (Monetary) As Of Credit ifrs-full:MiscellaneousOtherProvisions
2853 Other current liabilities Abstract ti:OtherCurrentFinancialLiabilitiesAbstract
2854 Liabilities from contract with customers (Contract liabilities) Concept (Monetary) As Of Credit ifrs-full:CurrentContractLiabilities
2855 Customer-related items Concept (Monetary) As Of Credit ti:OtherCurrentLiabilitiesCustomerRelatedItems
2856 Advances received Concept (Monetary) As Of Credit ifrs-full:Advances
2857 Other deferred revenue and income Concept (Monetary) As Of Credit ti:OtherDeferredRevenueAndIncomeClassifiedAsCurrent
2858 Trade and miscellaneous deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
2859 Miscellaneous other current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousOtherCurrentLiabilities
2860 Trade and miscellaneous payables and other current liabilities Concept (Monetary) As Of Credit ti:FinancialLiabilitiesIncludingTradesPayableAndOtherCurrentLiabilities
2861 Other current liabilities Abstract ti:OtherCurrentFinancialLiabilitiesAbstract
2862 Liabilities from contract with customers (Contract liabilities) Concept (Monetary) As Of Credit ifrs-full:CurrentContractLiabilities
2863 Customer-related items Concept (Monetary) As Of Credit ti:OtherCurrentLiabilitiesCustomerRelatedItems
2864 Advances received Concept (Monetary) As Of Credit ifrs-full:Advances
2865 Other deferred revenue and income Concept (Monetary) As Of Credit ti:OtherDeferredRevenueAndIncomeClassifiedAsCurrent
2866 Trade and miscellaneous deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
2867 Miscellaneous other current liabilities Concept (Monetary) As Of Credit ti:MiscellaneousOtherCurrentLiabilities
2868 Trade and miscellaneous payables and other current liabilities Concept (Monetary) As Of Credit ti:FinancialLiabilitiesIncludingTradesPayableAndOtherCurrentLiabilities
2869 1199 - Disclosure - Contingent Liabilities, Other Information, Commitments And Guarantees - Additional Information (Detail) Network

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2870 Disclosure Of Contingent Liabilities Other Information Commitments And Guarantees [table] Table

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ti:DisclosureOfContingentLiabilitiesOtherInformationCommitmentsAndGuaranteesTable
2871 Classes of contingent liabilities [axis] Axis ifrs-full:ClassesOfContingentLiabilitiesAxis
2872 Contingent liabilities [member] Member ifrs-full:ContingentLiabilitiesMember
2873 Eutelia and voiceplus [member] Member ti:EuteliaAndVoiceplusMember
2874 Vodafone dispute-universal service [member] Member ti:VodafoneDisputeUniversalServiceMember
2875 Non recognition of fiscal effects of merger and tax deductibility of write down of goodwill [member] Member ti:NonRecognitionOfFiscalEffectsOfMergerAndTaxDeductibilityOfWriteDownOfGoodwillMember
2876 Teleunit [member] Member ti:TeleunitMember
2877 Golden Power Case [member] Member ti:GoldenPowerCaseMember
2878 Alfiere S.p.A. - TIM-CDP Immobiliare arbitrations [member] Member ti:AlfiereSpATIMCDPImmobiliareArbitrationsMember
2879 Antitrust case A four twenty eight [member] Member ti:AntitrustCaseAFourTwentyEightMember
2880 Vodafone (A428) [member] Member ti:VodafoneAFourTwoEightMember
2881 Colt technology services [member] Member ti:ColtTechnologyServicesMember
2882 KPNQ West Italia S.p.A. [member] Member ti:KpnqWesrItaliaSPAMember
2883 Siportal [member] Member ti:SiportalMember
2884 MC-Link [member] Member ti:MCLinkMember
2885 Italian competition authority case I-761 [member] Member ti:ItalianCompetitionAuthorityCaseISevenSixOneMember
2886 Wind (I-761) [member] Member ti:WindISevenSixOneMember
2887 Vodafone I-761 [member] Member ti:VodafoneISevenSixOneMember
2888 Vodafone [member] Member ti:VodafoneMember
2889 Tax contingent liability [member] Member ifrs-full:TaxContingentLiabilityMember
2890 Definitive agreements [member] Member ti:DefinitiveAgreementsMember
2891 Investment Issuer [Axis] Axis invest:InvestmentIssuerAxis
2892 Investment Issuer [Domain] Member invest:InvestmentIssuerDomain
2893 Brazilian Development Bank [member] Member ti:BrazilianDevelopmentBankMember
2894 Ing [member] Member ti:INGMember
2895 Banco Santander [member] Member ti:BancoSantanderMember
2896 Sumitomo Mitsui Banking [member] Member ti:SumitomoMitsuiBankingMember
2897 SACE [member] Member ti:SACEMember
2898 Santander, Sumitomo and SACE [member] Member ti:SantanderSumitomoAndSACEMember
2899 BBVA - Banco Bilbao Vizcaya Argentaria [member] Member ti:BancoBilbaoVizcayaArgentariaMember
2900 UniCredit Bank [member] Member ti:UniCreditBankMember
2901 Banco Bilbao Vizcaya Argentaria and Unicredit [member] Member ti:BancoBilbaoVizcayaArgentariaAndUnicreditMember
2902 Tax Assessment Period [axis] Axis ti:TaxAssessmentPeriodAxis
2903 Tax Assessment Period [domain] Member ti:TaxAssessmentPeriodDomain
2904 Tax assessment one [member] Member ti:TaxAssessmentOneMember
2905 Tax assessment two [member] Member ti:TaxAssessmentTwoMember
2906 Legal entity [axis] Axis dei:LegalEntityAxis
2907 Entity [Domain] Member dei:EntityDomain
2908 Tim Celular [member] Member ti:TimCelularMember
2909 Telecom Italia Latam [member] Member ti:TelecomItaliaLatamMember
2910 Telecom Italia Audit And Compliance Services [member] Member ti:TelecomItaliaAuditAndComplianceServicesMember
2911 Vivendi group [member] Member ti:VivendiGroupMember
2912 JVCO [member] Member ti:JVCOMember
2913 TIM Brasil group [member] Member ti:TIMBrasilGroupMember
2914 Tim Group [member] Member ti:TimGroupMember
2915 Range [axis] Axis ifrs-full:RangeAxis
2916 Ranges [member] Member ifrs-full:RangesMember
2917 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
2918 Top of range [member] Member ifrs-full:TopOfRangeMember
2919 Income tax authority 1 [axis] Axis ti:IncomeTaxAuthority1Axis
2920 Income Tax Authority 1 [domain] Member ti:IncomeTaxAuthority1Domain
2921 Federal Tax Authorities Of Brazil [member] Member ti:FederalTaxAuthoritiesOfBrazilMember
2922 Federal income taxes [member] Member ti:FederalIncomeTaxesMember
2923 State income taxes [member] Member ti:StateIncomeTaxesMember
2924 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
2925 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
2926 Surety bond [member] Member ti:SuretyBond1Member
2927 Litigation status 1 [axis] Axis ti:LitigationStatus1Axis
2928 Litigation Status 1 [domain] Member ti:LitigationStatus1Domain
2929 Pending Litigation [Member] Member ti:PendingLitigation1Member
2930 Brazil-CAM JVCO arbitration [member] Member ti:BrazilCAMJVCOArbitrationMember
2931 Litigation case 1 [axis] Axis ti:LitigationCase1Axis
2932 Litigation Case1 [member] Member ti:LitigationCase1Member
2933 Vodafone [member] Member ti:VodafoneMember
2934 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
2935 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
2936 TIM CELULAR SA [member] Member ti:TimCelularSAMember
2937 Disclosure of Contingent Liabilities Other Information Commitments and Guarantees [Line Items] LineItems ti:DisclosureOfContingentLiabilitiesOtherInformationCommitmentsAndGuaranteesLineItems
2938 Posted liability for disputes Concept (Monetary) As Of Credit ti:PostedLiabilityForDisputes
2939 Possible loss for tax and regulatory disputes Concept (Monetary) As Of Credit ti:LossContingencies
2940 Amount for tax assessment notice served Concept (Monetary) As Of Credit ti:AmountForTaxAssessmentNoticeServed
2941 Tax disputes Concept (Monetary) As Of Credit ti:TaxDisputes
2942 Number of tax assessments Concept (Decimal) For Period ti:NumberOfTaxAssessments
2943 Tax assessments Concept (Monetary) For Period Credit ti:TaxAssessmentAmount
2944 Dispute remaining amount Concept (Monetary) As Of Credit ti:DisputeRemainingAmount
2945 Authorised payment amount requested Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
2946 Municipal taxes paid Concept (Monetary) For Period Debit ti:MunicipalTaxesPaid
2947 Risk consideration together Concept (Monetary) As Of Credit ti:RiskConsiderationTogether
2948 Receivables Concept (Monetary) As Of Debit ti:ReceivablesFromTaxesAndLegalRevaluation
2949 Tax receivables Concept (Monetary) As Of Debit ti:TaxReceivables
2950 Legal revaluation receivables Concept (Monetary) As Of Debit ti:LegalRevaluationReceivables
2951 Number of other plaintiffs brought claims Concept (Decimal) For Period ti:NumberOfOtherPlaintiffsBroughtClaims
2952 Number of plaintiffs filed claims for compensation Concept (Decimal) For Period ti:NumberOfPlaintiffsFiledClaimsForCompensation
2953 Amount of compensation claimed by filled plaintiffs Concept (Monetary) As Of Credit ti:AmountOfCompensationClaimedByFilledPlaintiffs
2954 Amount of compensation claimed by single filled plaintiff Concept (Monetary) As Of Credit ti:AmountOfCompensationClaimedBySingleFilledPlaintiff
2955 Imprisonment period for defendants Concept (Text/String) For Period ti:ImprisonmentPeriodForDefendants
2956 Amount of judgment to defendants for damages plus legal fees Concept (Monetary) For Period Credit ti:AmountOfJudgmentToDefendantsForDamagesPlusLegalFees
2957 Additional amount of judgment to defendants for pecuniary and non-pecuniary damages Concept (Monetary) For Period Credit ti:AdditionalAmountOfJudgmentToDefendantsForPecuniaryAndNonPecuniaryDamages
2958 Amount of judgment to defendants for non-pecuniary damages Concept (Monetary) For Period Credit ti:AmountOfJudgmentToDefendantsForNonPecuniaryDamages
2959 Reversal of provisional judgment awarded to Company Concept (Monetary) For Period Credit ti:ReversalOfProvisionalJudgmentAwardedToCompany
2960 Cancellation of compensation advanced by certain plaintiffs Concept (Monetary) For Period Credit ti:CancellationOfCompensationAdvancedByCertainPlaintiffs
2961 Financial penalty Concept (Monetary) As Of Credit ti:LitigationFinancialPenalty
2962 Guarantee bond issued Concept (Monetary) As Of Credit ifrs-full:BondsIssued
2963 Number of independent directors re-appointed Concept (Decimal) For Period ti:NumberOfIndependentDirectorsReappointed
2964 Total number of independent directors Concept (Decimal) For Period ti:NumberOfIndependentDirectors
2965 Amount of judgment awarded for abuse of dominant position under administrative sanction one Concept (Monetary) For Period Debit ti:AmountOfJudgmentAwardedForAbuseOfDominantPositionUnderAdministrativeFinesOne
2966 Amount of judgment awarded for abuse of dominant position under administrative sanction two Concept (Monetary) For Period Debit ti:AmountOfJudgmentAwardedForAbuseOfDominantPositionUnderAdministrativeFinesTwo
2967 Legal proceeding claim sought value Concept (Monetary) For Period Debit ti:LegalProceedingClaimDamagesSoughtValue
2968 Restricted competition fee Concept (Monetary) For Period Debit ti:RestrictedCompetitionFee
2969 Fined TIM Concept (Monetary) For Period Debit ti:LossContingenciesFines
2970 Amount of administrative sanction canceled Concept (Monetary) For Period Debit ti:AmountOfAdministrativeSanctionCanceled
2971 Number of appeals filed against ministry of economic development and tim Concept (Decimal) For Period ti:NumberOfAppealsFiled
2972 Legal proceeding claim received value Concept (Monetary) For Period Debit ti:LegalProceedingClaimDamagesReceivedValue
2973 Balance of amounts paid in concession charges Concept (Monetary) For Period Debit ti:LossContingencyDamagesSoughtValue1
2974 Balance of amounts paid in concession charges for the years Concept (Text/String) For Period ti:LossContingencyDamagesSoughtValueForTheYears
2975 Adjustment of the licence fee Concept (Monetary) For Period Debit ti:AdjustmentOfTheLicenseFee
2976 Adjustment of the licence fee for the year Concept (Year) For Period ti:AdjustmentOfTheLicenseFeeForTheYear
2977 Amount not received due to bad debts against turnover Concept (Monetary) For Period Credit ti:AmountNotReceivedDueToBadDebtsAgainstTurnover
2978 Payment of outstanding balances of license fees Concept (Monetary) For Period Credit ti:PaymentOfOutstandingOfLicenseFees
2979 Adjustment of portion of licence fee Concept (Monetary) For Period Debit ti:AdjustmentOfPortionOfLicenseFee
2980 Law suit filing date Concept (Text/String) For Period ti:LossContingencyLawsuitFilingDate1
2981 Name of defendant Concept (Text/String) For Period ti:LossContingencyNameOfDefendant1
2982 Number of all plaintiffs brought claims Concept (Decimal) For Period ti:NumberOfAllPlaintiffsBroughtClaims
2983 Action taken by the defendant against plaintiff Concept (Text/String) For Period ti:LossContingencyActionsTakenByDefendant1
2984 Number of defendants Concept (Integer) For Period ti:LossContingencyNumberOfDefendants1
2985 Number of defendants found as guilty Concept (Integer) For Period ti:LossContingencyNumberOfDefendantsFoundAsGuilty
2986 Number of defendants found as non guilty Concept (Integer) For Period ti:LossContingencyNumberOfDefendantsFoundAsNonGuilty
2987 Number of cases dismissed Concept (Integer) For Period ti:LossContingencyNumberOfDefendantDismissedDueToHealthReasons
2988 Litigation settlement compensation payable for damages along with defendents Concept (Monetary) As Of Credit ti:LitigationSettlementCompensationPayableForDamagesAlongWithDefendants
2989 Amount cliamed by Elinet S.p.A due to total damages Concept (Monetary) For Period Debit ti:LossContingencyDamagesAwardedValue1
2990 Arbitration fees, percentage Concept (Percent) For Period ti:ArbitrationFeesPercentage
2991 Compensation for damages Concept (Monetary) For Period Debit ti:CompensationForDamages
2992 Number of defendant included the company committed trial Concept (Decimal) As Of ti:NumberOfDefendantIncludedEntityCommittedTrial
2993 TIM to be ordered to pay an administrative fine Concept (Monetary) As Of Debit ti:AdministrativeFine
2994 Restitution of concession charge plus interest Concept (Monetary) As Of Debit ti:RestitutionOfConcessionChargePlusInterest
2995 Claims plus legal interest and adjustment to account for any inflation effect Concept (Monetary) As Of Debit ti:ClaimsPlusLegalInterestAndAdjustment
2996 Litigation claim Concept (Monetary) For Period Debit ti:LitigationClaims
2997 Contingent liabilities Concept (Monetary) As Of Credit ti:ContingentLiabilities
2998 Allocated risk provision Concept (Monetary) As Of Debit ti:ContingentLiabilitiesAllocatedRiskProvision
2999 Net of back-to-back guarantees received Concept (Monetary) As Of Credit ti:NetOfBackToBackGuaranteesReceived
3000 Guarantees provided by third parties Concept (Monetary) For Period ifrs-full:ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions
3001 Guarantees for loans received Concept (Monetary) As Of Credit ti:GuaranteesForLoansReceived
3002 Guarantees performance under outstanding contracts Concept (Monetary) As Of Credit ifrs-full:LiabilitiesOrComponentsOfEquityRelatingToDiscretionaryParticipationFeatures
3003 Number of guarantees issued Concept (Integer) For Period ti:NumberOfGuaranteesIssued
3004 Guarantees issued, value Concept (Monetary) As Of Credit ifrs-full:OutstandingCommitmentsMadeByEntityRelatedPartyTransactions
3005 Insurance guarantees Concept (Monetary) As Of Debit ti:InsuranceGuaranteesValue
3006 Amount of guarantees Concept (Monetary) As Of Credit ti:GuaranteeForLoans
3007 Amount of guarantees loan paid back upon maturity Concept (Monetary) As Of Debit ti:AmountOfGuaranteesLoanPaidBackUponMaturity
3008 Guarantee obligation on telecommunication services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfTelecommunicationServices
3009 Low rate loans granted Concept (Monetary) As Of Credit ifrs-full:GrossLoanCommitments
3010 1200 - Disclosure - Contingent Liabilities, Other Information, Commitments and Guarantees - Information on Main Guarantees for Loans (Detail) Network

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3011 Disclosure Of Guarantees [table] Table

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ti:DisclosureOfGuaranteesTable
3012 Investment Issuer [Axis] Axis invest:InvestmentIssuerAxis
3013 Investment Issuer [Domain] Member invest:InvestmentIssuerDomain
3014 SACE [member] Member ti:SACEMember
3015 BBVA - Banco Bilbao Vizcaya Argentaria [member] Member ti:BancoBilbaoVizcayaArgentariaMember
3016 Cassa Depositi e Prestiti [member] Member ti:CassaDepositiEPrestitiMember
3017 Intesa Sanpaolo [member] Member ti:IntesaSanpaoloMember
3018 Ing [member] Member ti:INGMember
3019 UniCredit Bank [member] Member ti:UniCreditBankMember
3020 Commerzbank [member] Member ti:CommerzBankMember
3021 Banco Santander [member] Member ti:BancoSantanderMember
3022 Sumitomo Mitsui Banking [member] Member ti:SumitomoMitsuiBankingMember
3023 Disclosure of Guarantees [Line Items] LineItems ti:DisclosureOfGuaranteesLineItems
3024 Amount of guarantees Concept (Monetary) As Of Credit ti:GuaranteeForLoans
3025 1201 - Disclosure - Revenues - Additional Information (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureRevenuesAdditionalInformation
3026 Disclosure of Revenue [table] Table

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ti:DisclosureOfRevenueTable
3027 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
3028 Products and services [member] Member ifrs-full:ProductsAndServicesMember
3029 Retail Customer [member] Member ti:RetailCustomerMember
3030 Other wholesale operators [member] Member ti:OtherWholesaleOperatorsMember
3031 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
3032 Currently stated [member] Member ifrs-full:RestatedMember
3033 IFRS 15 Reclassification [member] Member ti:IFRS15Member
3034 Disclosure of revenue [line items] LineItems ti:DisclosureOfRevenueLineItems
3035 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
3036 Increase (decrease) revenue Concept (Monetary) For Period Credit ti:IncreaseDecreaseInRevenue
3037 Revenues from telecommunications services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfTelecommunicationServices
3038 Revenues from service by voice data services on fixed and mobile networks Concept (Monetary) For Period Credit ti:RevenuesFromServicesByVoiceAndDataServicesOnFixedAndMobileNetworks
3039 Revenue adjusted Concept (Monetary) For Period Credit ti:AdjustedRevenues
3040 1202 - Disclosure - Revenues - Schedule of Revenues (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureRevenuesScheduleOfRevenues
3041 Implied Table Table

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implied:Table
3042 Revenue [abstract] Abstract ifrs-full:RevenueAbstract
3043 Equipment sales Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfTelecommunicationEquipment
3044 Services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfTelephoneServices
3045 Revenues on construction contracts Concept (Monetary) For Period Credit ifrs-full:RevenueFromConstructionContracts
3046 Total Concept (Monetary) For Period Credit ifrs-full:Revenue
3047 1203 - Disclosure - Other Income - Additional Information (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherIncomeAdditionalInformation
3048 Disclosure of other income [table] Table

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ti:DisclosureOfOtherIncomeTable
3049 Segments [axis] Axis ifrs-full:SegmentsAxis
3050 Segments [member] Member ifrs-full:SegmentsMember
3051 Brazil business unit [member] Member ti:BrazilBusinessUnitMember
3052 Disclosure of other income [line items] LineItems ti:DisclosureOfOtherIncomeLineItems
3053 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
3054 Increase (decrease) in other income Concept (Monetary) For Period Credit ti:IncreaseDecreaseInOtherOperatingIncome
3055 1204 - Disclosure - Other Income - Disclosure of Other Operating Income (Detail) Network

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http://imetrix.edgar-online.com/taxonomy/role/DisclosureOtherIncomeDisclosureOfOtherOperatingIncome
3056 Implied Table Table

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implied:Table
3057 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
3058 Late payment fees charged for telephone services Concept (Monetary) For Period Credit ti:LatePaymentFeesChargedForTelephoneServices
3059 Recovery of employee benefit expenses, purchases and services rendered Concept (Monetary) For Period Credit ti:RecoveryOfEmployeeBenefitExpensesPurchasesAndServicesRendered
3060 Capital and operating grants Concept (Monetary) For Period Credit ti:CapitalAndOperatingGrants
3061 Damages, penalties and recoveries connected with litigation Concept (Monetary) For Period Credit ti:DamagesPenaltiesAndRecoveriesConnectedWithLitigation
3062 Partnership agreements and other arrangements with suppliers Concept (Monetary) For Period Credit ti:PartnershipAgreementsAndOtherArrangementsWithSuppliers
3063 Estimate revisions and other adjustments Concept (Monetary) For Period Credit ti:EstimateRevisionsAndOtherAdjustments
3064 Other income Concept (Monetary) For Period Credit ti:OtherOperatingIncome1
3065 Total Concept (Monetary) For Period Credit ifrs-full:OtherIncome
3066 1205 - Disclosure - Acquisition of Goods and Services - Additional Information (Detail) Network

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3067 Disclosure of detailed information about business combination [table] Table

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3068 Effect of overlay approach reclassification [axis] Axis ifrs-full:EffectOfOverlayApproachReclassificationAxis
3069 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
3070 IFRS 16 [member] Member ti:IFRS16Member
3071 Disclosure of detailed information about business combination [line items] LineItems ifrs-full:DisclosureOfBusinessCombinationsLineItems
3072 Acquisition of goods and services Concept (Monetary) For Period Debit ti:AcquisitionOfGoodsAndServices
3073 Increase (decrease) by acquisition of goods and services Concept (Monetary) For Period Debit ti:IncreaseDecreaseInGoodsAndServicesAcquisitionCosts
3074 Reclassification from lease and rental costs to cost of services Concept (Monetary) For Period Debit ti:ReclassificationFromLeaseAndRentalCostsToCostsOfServices
3075 1206 - Disclosure - Acquisition of Goods and Services - Disclosure of Detailed Information About Acquisition of Goods and Services (Detail) Network

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3076 Implied Table Table

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3077 Disclosure of detailed information about acquisition of goods and services [abstract] Abstract ti:DisclosureOfDetailedInformationAboutAcquisitionOfGoodsAndServicesAbstract
3078 Acquisition of raw materials and merchandise Concept (Monetary) For Period Debit ifrs-full:RawMaterialsAndConsumablesUsed
3079 Costs of services: Abstract ti:CostOfServices1Abstract
3080 Revenues due to other TLC operators Concept (Monetary) For Period Debit ti:RevenuesDueToOtherOperators
3081 Costs for access services to Tlc networks Concept (Monetary) For Period Debit ti:CostsForAccessServicesToTlcNetworks
3082 Commissions, sales commissions and other selling expenses Concept (Monetary) For Period Debit ti:CommissionsSalesCommissionsAndOtherSellingExpenses
3083 Advertising and promotion expenses Concept (Monetary) As Of Debit ti:AdvertisingAndPromotionalExpenses
3084 Professional and consulting services Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
3085 Utilities Concept (Monetary) For Period Debit ti:UtilitiesExpenses
3086 Maintenance Concept (Monetary) For Period Debit ifrs-full:RepairsAndMaintenanceExpense
3087 Outsourcing costs for other services Concept (Monetary) For Period Debit ti:OutsourcingExpenses
3088 Mailing and delivery expenses for telephone bills, directories and other materials to customers Concept (Monetary) For Period Debit ti:MailingAndDeliveryExpenses
3089 Other service expenses Concept (Monetary) For Period Debit ifrs-full:OtherExpenseByNature
3090 Costs of services Concept (Monetary) For Period Debit ti:CostOfServices1
3091 Lease and rental costs: Abstract ifrs-full:LeaseLiabilitiesAbstract
3092 Rent and leases Concept (Monetary) For Period Debit ti:RentAndLeases
3093 TLC circuit lease rents Concept (Monetary) For Period Debit ti:CircuitLeaseRents
3094 Other lease and rental costs Concept (Monetary) For Period Debit ti:OtherLeaseAndRentalExpense
3095 Lease and rental costs Concept (Monetary) For Period Debit ti:LeasesAndRentalCosts
3096 Total Concept (Monetary) For Period Debit ti:AcquisitionOfGoodsAndServices
3097 1207 - Disclosure - Employee Benefits Expenses - Additional Information (Detail) Network

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3098 Disclosure Of Employee Benefit Expenses [table] Table

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3102 Foreign defined benefit plan [member] Member ti:ForeignDefinedBenefitPlanMember
3103 Management Restructuring Plan [member] Member ti:ManagementRestructuringPlanMember
3104 Disclosure of Employee Benefit Expenses [Line Items] LineItems ti:DisclosureOfEmployeeBenefitExpensesLineItems
3105 Employee benefit expenses Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
3106 Employee benefits expenses increase (decrease) Concept (Monetary) For Period Debit ti:IncreaseDecreaseInEmployeeBenefitsExpense
3107 Restructuring expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
3108 Average salaried workforce, including temporary work contracts Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
3109 Headcount in service including temporary work contracts Concept (Decimal) As Of ifrs-full:NumberOfEmployees
3110 Decrease in number of employees Concept (Decimal) As Of ti:DecreaseInNumberOfEmployees
3111 1208 - Disclosure - Employee Benefits Expenses - Details of Employee Benefit Expenses (Detail) Network

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3112 Implied Table Table

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3113 Disclosure Of Defined Benefit Plans Employee BenefitExpenses [abstract] Abstract ti:DisclosureOfDefinedBenefitPlansEmployeeBenefitexpensesAbstract
3114 Employee benefits expenses Abstract ifrs-full:ShorttermEmployeeBenefitsExpenseAbstract
3115 Wages and salaries Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
3116 Social security expenses Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
3117 Other employee benefits Concept (Monetary) For Period Debit ifrs-full:OtherShorttermEmployeeBenefits
3118 Employee benefits expenses Concept (Monetary) For Period Debit ifrs-full:ShorttermEmployeeBenefitsExpense
3119 Costs and provisions for temp work Concept (Monetary) For Period Debit ti:EmployeeBenefitsExpenseProvisionsForTempWork
3120 Miscellaneous expenses for personnel and other labor-related services rendered: Abstract ti:MiscellaneousExpensesForPersonnelAndOtherLaborRelatedServicesRenderedAbstract
3121 Charges for termination benefit incentives Concept (Monetary) For Period Debit ifrs-full:TerminationBenefitsExpense
3122 Corporate restructuring expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseOfRestructuringActivities
3123 Other Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
3124 Miscellaneous expenses for personnel and other labor-related services rendered Concept (Monetary) For Period Debit ti:MiscellaneousExpensesForPersonnelAndOtherLaborRelatedServicesRendered
3125 Total Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
3126 1209 - Disclosure - Employee Benefits Expenses - Details of Average Salaried Workforce Breakdown By Category (Detail) Network

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3127 Disclosure of number and average number of employees [table] Table

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3129 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3130 Executives [member] Member ti:ExecutivesMember
3131 Middle management [member] Member ti:MiddleManagementMember
3132 White collars [member] Member ti:WhiteCollarsMember
3133 Blue collars [member] Member ti:BlueCollarsMember
3134 Employees on payroll [member] Member ti:EmployeesOnPayrollMember
3135 Employees with temp work contracts [member] Member ti:EmployeesWithTempWorkContractsMember
3136 Disclosure of Number and Average Number of Employees [Line Items] LineItems ti:DisclosureOfNumberAndAverageNumberOfEmployeesLineItems
3137 Total average headcount of salaried workforce Concept (Decimal) For Period ifrs-full:AverageNumberOfEmployees
3138 1210 - Disclosure - Other Operating Expenses - Additional Information (Detail) Network

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3139 Implied Table Table

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3140 Disclosure of Other Operating Expense [abstract] Abstract ti:DisclosureOfOtherOperatingExpenseAbstract
3141 Other operating expenses Concept (Monetary) For Period Debit ti:OtherOperatingExpenses
3142 (Decrease) increase in other operating expenses Concept (Monetary) For Period Debit ti:IncreaseDecreaseInOtherOperatingExpenses
3143 Increase in provision charges for bad debts Concept (Monetary) For Period Debit ti:IncreaseInProvisionChargesForBadDebts
3144 1211 - Disclosure - Other Operating Expenses - Schedule of Other Operating Expenses (Detail) Network

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3145 Implied Table Table

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3146 Disclosure of Other Operating Expense [abstract] Abstract ti:DisclosureOfOtherOperatingExpenseAbstract
3147 Write-downs and expenses in connection with credit management Concept (Monetary) For Period Debit ti:WriteDownsAndExpensesInConnectionWithCreditManagement
3148 Provision charges Concept (Monetary) For Period Debit ti:ProvisionCharges
3149 TLC operating fees and charges Concept (Monetary) For Period Debit ti:OperatingFeesAndCharges
3150 Indirect duties and taxes Concept (Monetary) For Period Debit ti:IndirectDutiesAndTaxes
3151 Penalties, settlement compensation and administrative fines Concept (Monetary) For Period Debit ti:PenaltiesSettlementCompensationAndAdministrativeFines
3152 Association dues and fees, donations, scholarships and traineeships Concept (Monetary) For Period Debit ti:AssociationDuesAndFeesDonationsScholarshipsAndTraineeships
3153 Sundry expenses Concept (Monetary) For Period Debit ti:SundryExpenses
3154 Total Concept (Monetary) For Period Debit ti:OtherOperatingExpenses
3155 of which, included in the supplementary disclosure on financial instruments Concept (Monetary) For Period Debit ti:OtherOperatingExpensesIncludedInSupplementaryDisclosureOnFinancialInstruments
3156 1212 - Disclosure - Internally Generated Assets - Additional Information (Detail) Network

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3157 Disclosure Of Internally Generated Assets [table] Table

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3159 Methods of generation [member] Member ifrs-full:MethodsOfGenerationMember
3160 Internally generated [member] Member ifrs-full:InternallyGeneratedMember
3161 Disclosure Of Internally Generated Assets [line items] LineItems ti:DisclosureOfInternallyGeneratedAssetsLineItems
3162 Internally generated assets Concept (Monetary) As Of Debit ifrs-full:Assets
3163 Increase (decrease) in internally generated assets Concept (Monetary) For Period Debit ti:IncreaseDecreaseInAssets
3164 1213 - Disclosure - Internally Generated Assets - Schedule of Detail Information of Internally Generated Assets (Detail) Network

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3165 Disclosure Of Internally Generated Assets [table] Table

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3167 Methods of generation [member] Member ifrs-full:MethodsOfGenerationMember
3168 Internally generated [member] Member ifrs-full:InternallyGeneratedMember
3169 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3170 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3171 Intangible assets with finite useful life [member] Member ti:IntangibleAssetsWithFiniteUsefulLifeMember
3172 Tangible assets [member] Member ti:TangibleAssetsMember
3173 Disclosure Of Internally Generated Assets [line items] LineItems ti:DisclosureOfInternallyGeneratedAssetsLineItems
3174 The total internally generated assets Concept (Monetary) As Of Debit ifrs-full:Assets
3175 1214 - Disclosure - Depreciation and Amortization - Additional Information (Detail) Network

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3176 Implied Table Table

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3177 Depreciation and amortisation expense [abstract] Abstract ifrs-full:DepreciationAndAmortisationExpenseAbstract
3178 Depreciation and amortization expense Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
3179 Increase in depreciation and amortization expense Concept (Monetary) For Period Debit ti:IncreaseInDepreciationAndAmortisationExpense
3180 1215 - Disclosure - Depreciation and Amortization - Summary of Depreciation and Amortization Expenses (Detail) Network

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3181 Disclosure of Depreciation and Amortization [table] Table

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3183 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
3184 Industrial patents and intellectual property rights [member] Member ti:IndustrialPatentsAndIntellectualPropertyRightsMember
3185 Concessions, licenses, trademarks and similar rights [Member] Member ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
3186 Other intangible assets [member] Member ifrs-full:OtherIntangibleAssetsMember
3187 Buildings (civil and industrial) [member] Member ifrs-full:BuildingsMember
3188 Plant and Equipment [member] Member ti:PlantAndEquipmentMember
3189 Manufacturing and distribution equipment [member] Member ti:ManufacturingAndDistributionEquipmentmemberMember
3190 Other [member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
3191 Disclosure Of Depreciation And Amortization [line items] LineItems ti:DisclosureOfDepreciationAndAmortizationLineItems
3192 Amortization of intangible assets with a finite useful life Concept (Monetary) For Period Debit ifrs-full:AmortisationExpense
3193 Depreciation of tangible assets owned Concept (Monetary) For Period Debit ifrs-full:DepreciationExpense
3194 Depreciation of tangible assets held under finance leases Concept (Monetary) For Period ifrs-full:DepreciationRightofuseAssets
3195 Total Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
3196 1216 - Disclosure - Gains (Losses) on Disposals of Non-Current Assets - Additional Information (Detail) Network

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3197 Disclosure of fair value measurement [table] Table

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3199 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3200 Brazil [member] Member country:BR
3201 Disclosure of fair value measurement [line items] LineItems ti:DisclosureOfFairValueMeasurementLineItems
3202 Gains (losses) on disposals of non-current assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
3203 Number of tranches Concept (Integer) For Period ti:NumberOfTranches
3204 1217 - Disclosure - Gains (Losses) on Disposals of Non-current Assets - Schedule of Gain Losses on Disposal of Non Current Assets (Detail) Network

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3205 Implied Table Table

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3206 Gains (losses) on disposals of non-current assets [abstract] Abstract ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssetsAbstract
3207 Gains on disposals of non-current assets: Abstract ti:GainsOnDisposalsOfNonCurrentAssetsAbstract
3208 Gains on the retirement/disposal of intangible and tangible assets Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfNoncurrentAssets
3209 Gains on the disposal of investments in subsidiaries Concept (Monetary) For Period Credit ifrs-full:GainsOnDisposalsOfInvestments
3210 Gains on disposals of non-current assets Concept (Monetary) For Period Credit ti:GainsOnDisposalsOfNoncurrentAssetsAndInvestmentInSubsidiaries
3211 Losses on disposals of non-current assets: Abstract ti:LossesOnDisposalsOfNonCurrentAssetsAbstract
3212 Losses on the retirement/disposal of intangible and tangible assets Concept (Monetary) For Period Debit ifrs-full:LossesOnDisposalsOfNoncurrentAssets
3213 Losses on the disposals of investments in subsidiaries Concept (Monetary) For Period Debit ifrs-full:LossesOnDisposalsOfInvestments
3214 Losses on disposals of non-current assets Concept (Monetary) For Period Debit ti:LossesOnDisposalsOfNoncurrentAssetsAndInvestmentInSubsidiaries
3215 Gains (losses) on disposals of non-current assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
3216 1218 - Disclosure - Impairment Reversals (Losses) on Non-Current Assets - Additional Information (Detail) Network

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3217 Disclosure of impairment loss recognised or reversed for cash-generating unit [table] Table

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3218 Cash-generating units [axis] Axis ifrs-full:IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis
3219 Entity's total for cash-generating units [member] Member ifrs-full:EntitysTotalForCashgeneratingUnitsMember
3220 Core domestic CGU [member] Member ti:CoreDomesticCGUMember
3221 International wholesale CGU [member] Member ti:InternationalWholesaleCGUMember
3222 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
3223 Intangible assets and goodwill [member] Member ifrs-full:IntangibleAssetsAndGoodwillMember
3224 Construction contracts [member] Member ti:ConstructionContracts1Member
3225 Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] LineItems ifrs-full:DisclosureOfImpairmentLossRecognisedOrReversedLineItems
3226 Impairment losses on non-current assets Concept (Monetary) For Period Debit ifrs-full:ImpairmentLoss
3227 Impairment loss on goodwill Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill
3228 Additional Impairment loss on goodwill Concept (Monetary) For Period ti:AdditionalImpairmentLossRecognisedInProfitOrLossGoodwill
3229 Write-downs of intangible assets Concept (Monetary) For Period Debit ti:ImpairmentLossRecognisedInProfitOrLossIntangibleAssets
3230 Impairment loss on non-current assets Concept (Monetary) For Period Debit ti:ImpairmentLossDueToRevaluationOfAssets
3231 1219 - Disclosure - Impairment Reversals (Losses) on Non-Current Assets - Summary of Impairment Reversals (Losses) on Non-Current Assets (Detail) Network

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3232 Implied Table Table

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3233 Disclosure of impairment loss recognised or reversed for cash-generating unit [abstract] Abstract ifrs-full:DisclosureOfImpairmentLossRecognisedOrReversedAbstract
3234 Reversals of impairment losses on non-current assets: Abstract ti:ReversalsOfImpairmentLossesOnNoncurrentAssetsAbstract
3235 Reversals of impairment losses on non-current assets on intangible assets Concept (Monetary) For Period ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill
3236 Reversals of impairment losses on non-current assets on tangible assets Concept (Monetary) For Period ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
3237 Reversals of impairment losses on non-current assets Concept (Monetary) For Period Credit ti:ReversalsOfImpairmentLossesOnNoncurrentAssets
3238 Impairment losses on non-current assets: Abstract ti:ImpairmentLossesOnNoncurrentAssetsAbstract
3239 Impairment losses on non-current assets on intangible assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill
3240 Impairment losses on non-current assets on tangible assets Concept (Monetary) For Period ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment
3241 Impairment losses on non-current assets Concept (Monetary) For Period Debit ti:ImpairmentLossOnNoncurrentAssets
3242 Total Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
3243 1220 - Disclosure - Other Income (Expenses) From Investments - Additional Information (Detail) Network

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3244 Disclosure Of Other Income Expenses From Investments [table] Table

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3246 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
3247 Emittenti Titoli S.p.A. [Member] Member ti:EmittentiTitoliSPAMember
3248 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3249 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3250 TIERRA ARGENTEA S.A. [member] Member ti:TierraArgenteaSAMember
3251 Disclosure Of Other Income Expenses From Investments [line items] LineItems ti:DisclosureOfOtherIncomeExpensesFromInvestmentsLineItems
3252 Other income (expenses) from investments Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
3253 Dividends approved Concept (Monetary) For Period Debit ifrs-full:DividendsPaid
3254 Dividends received Concept (Monetary) For Period Credit ifrs-full:RevenueFromDividends
3255 1221 - Disclosure - Other Income (Expenses) from Investments - Detailed Information About Other Income (Expenses) from Investments (Detail) Network

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3256 Implied Table Table

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3257 Disclosure Of Detailed Information About Other Income Expenses From Investments [abstract] Abstract ti:DisclosureOfDetailedInformationAboutOtherIncomeExpensesFromInvestmentsAbstract
3258 Dividends from Other investments Concept (Monetary) For Period Credit ifrs-full:RevenueFromDividends
3259 Net gains on disposals of Other investments Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfInvestments
3260 Loss and impairment losses on Other investments Concept (Monetary) For Period Credit ifrs-full:ProfitsLossesOnDisposalOfInvestmentsAndChangesInValueOfInvestments
3261 Total Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
3262 1222 - Disclosure - Finance Income and Expenses - Additional Information (Detail) Network

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3263 Implied Table Table

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3264 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
3265 Finance income (expenses) Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
3266 1223 - Disclosure - Finance Income and Expenses - Summary of Net Finance Costs/(Income) (Detail) Network

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3267 Implied Table Table

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3268 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
3269 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
3270 Finance expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
3271 Finance income (expenses), net Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
3272 1224 - Disclosure - Finance Income and Expenses - Summary of Finance Income and Expenses (Detail) Network

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3273 Implied Table Table

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3274 Analysis of income and expense [abstract] Abstract ifrs-full:AnalysisOfIncomeAndExpenseAbstract
3275 Interest expenses and other finance expenses: Abstract ti:InterestExpensesAndOtherFinanceExpensesAbstract
3276 Interest expenses and other costs relating to bonds Concept (Monetary) For Period Debit ti:InterestExpenseAndOtherCostsOnBonds
3277 Interest expenses to banks Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDepositsFromBanks
3278 Interest expenses to others Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDepositsFromCustomers
3279 Total interest expenses Concept (Monetary) For Period Debit ifrs-full:InterestExpense
3280 Commissions Concept (Monetary) For Period Debit ifrs-full:FeeAndCommissionExpense
3281 Miscellaneous finance expenses Concept (Monetary) For Period Debit ti:MiscellaneousFinanceExpenses
3282 Total other finance expenses Concept (Monetary) For Period Debit ti:InterestExpenseAndOtherFinanceExpenses
3283 Interest income and other finance income: Abstract ti:InterestIncomeAndOtherFinanceIncomeAbstract
3284 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
3285 Income from financial receivables recorded in non-current assets Concept (Monetary) For Period Credit ti:IncomeFromFinancialReceivablesRecordedInNonCurrentAssets
3286 Income from securities other than investments, recorded in non-current assets Concept (Monetary) For Period Credit ti:IncomeFromSecuritiesOtherThanInvestmentRecordedInNonCurrentAssets
3287 Income from securities other than investments, recorded in current assets Concept (Monetary) For Period Credit ti:IncomeFromSecuritiesOtherThanInvestmentRecordedInCurrentAssets
3288 Miscellaneous finance income Concept (Monetary) For Period Credit ti:MiscellaneousFinanceIncome
3289 Total interest income and other finance income Concept (Monetary) For Period Credit ti:InterestIncomeAndOtherFinanceIncome
3290 Total net interest / financial charges Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForInterestIncome
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3292 Net exchange gains and losses Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
3293 Net result from derivatives Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
3294 Net fair value adjustment to fair value hedge derivatives and underlying Concept (Monetary) For Period Credit ti:NetFairValueAdjustmentToFairValueHedgeDerivativesAndUnderlying
3295 Net fair value adjustments to non-hedging derivatives Concept (Monetary) For Period Debit ti:FinanceExpensesIncomeOnUnderlyingFinancialAssetsAndLiabilitiesNonDesignatedAsFairValueHedgeDerivatives
3296 Total other components Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncome
3297 Total net financial income (expenses) Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
3298 of which, included in the supplementary disclosure on financial instruments Concept (Monetary) For Period Credit ifrs-full:OtherFinanceIncomeCost
3299 1225 - Disclosure - Finance Income and Expenses - Summary Of Financial Assets At Date Of Initial Application Of IFRS 9 (Detail) Network

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3300 Disclosure of financial assets [table] Table

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3301 Retrospective application and retrospective restatement [axis] Axis ifrs-full:RetrospectiveApplicationAndRetrospectiveRestatementAxis
3302 Currently stated [member] Member ifrs-full:RestatedMember
3303 In accordance with IFRS 9 [member] Member ifrs-full:InAccordanceWithIFRS9Member
3304 Disclosure of financial assets [line items] LineItems ifrs-full:DisclosureOfFinancialAssetsLineItems
3305 Income from negative adjustment of IFRS 9 impairment reserve on financial assets measured through FVTOCI Concept (Monetary) As Of Credit ifrs-full:ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
3306 Expenses from positive adjustment of IFRS 9 impairment reserve on financial assets measured through FVTOCI Concept (Monetary) For Period Debit ti:ExpensesFromPositiveAdjustmentOfIFRS9ImpairmentReserveOnFinancialAssetsThroughFVTOCI
3307 Reversal of IFRS 9 impairment reserve on financial assets measured through FVTOCI Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9
3308 Impairment losses on financial assets other than investments Concept (Monetary) For Period Debit ifrs-full:ImpairmentLossOnFinancialAssets
3309 1226 - Disclosure - Finance Income and Expenses - Summary of Net Effects relating to Derivative Financial Instruments (Detail) Network

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3310 Implied Table Table

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3311 Disclosure of detailed information about financial instruments [abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
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3314 Exchange losses Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
3315 Net exchange gains and losses Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
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3317 Income from fair value hedge derivatives Concept (Monetary) For Period Credit ti:IncomeFromFairValueOfDerivativesQualifiedFromHedgingAccounting
3318 Charges from fair value hedge derivatives Concept (Monetary) For Period Debit ti:ExpensesFromFairValueOfDerivativesQualifiedFromHedgingAccounting
3319 Net result from fair value hedge derivatives Concept (Monetary) For Period Credit ifrs-full:GainLossOnHedgeIneffectiveness
3320 Positive effect of the Reversal of the Reserve of cash flow hedge derivatives to the income statement for the interest rate component Concept (Monetary) For Period Credit ti:PositiveEffectOfReversalOfReserveForCashFlowHedgeDerivatives
3321 Negative effect of the Reversal of the Reserve of cash flow hedge derivatives to the income statement for the interest rate component Concept (Monetary) For Period Debit ti:NegativeEffectOfReversalOfReserveForCashFlowHedgeDerivatives
3322 Net effect of the Reversal of the Reserve of cash flow hedge derivatives to the income statement for the interest rate component Concept (Monetary) For Period Credit ti:NetEffectOfReversalOfReserveForCashFlowHedgeDerivatives
3323 Income from non-hedging derivatives Concept (Monetary) For Period Credit ti:IncomeFromDerivativesNotQualifiedFromHedgingAccounting
3324 Charges from non-hedging derivatives Concept (Monetary) For Period Debit ti:ChargesFromDerivativesNotQualifiedFromHedgingAccounting
3325 Net result from non-hedging derivatives Concept (Monetary) For Period Credit ti:NetResultsFromDerivativesNotQualifiedFromHedgingAccounting
3326 Net result from derivatives Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
3327 Positive fair value adjustment to fair value hedge derivatives Concept (Monetary) For Period Credit ti:AdjustmentsForGainOnFairValueHedgedItems
3328 Negative fair value adjustment to underlying financial assets and liabilities of fair value hedge derivatives Concept (Monetary) For Period Debit ti:AdjustmentsForLossOnFairValueHedgedItems
3329 Net fair value adjustments Concept (Monetary) For Period Credit ti:NetAdjustmentsForFairValueHedgedItems
3330 Positive fair value adjustments to underlying financial assets and liabilities of fair value hedge derivatives Concept (Monetary) For Period Credit ti:FinanceIncomeOnUnderlyingFinancialAssetsAndLiabilitiesDesignatedAsFairValueHedgeDerivatives
3331 Negative fair value adjustments to fair value hedge derivatives Concept (Monetary) For Period Debit ti:AdjustmentsForLossOnFairValueHedgeDerivatives
3332 Net fair value adjustments Concept (Monetary) For Period Credit ti:NetAdjustmentsOnUnderlyingFinancialAssetsAndLiabilitiesDesignatedAsFairValueHedgeDerivatives
3333 Net fair value adjustment to fair value hedge derivatives and underlying Concept (Monetary) For Period Credit ti:NetFairValueAdjustmentToFairValueHedgeDerivativesAndUnderlying
3334 NET FAIR VALUE ADJUSTMENTS TO NON-HEDGING DERIVATIVES Abstract ti:NetFairValueAdjustmentsToNonHedgingDerivativesAbstract
3335 Positive fair value adjustments to non-hedging derivatives Concept (Monetary) For Period Credit ti:FinanceIncomeUnderlyingFinancialAssetsAndLiabilitiesNonDesignatedAsFairValueHedgeDerivatives
3336 Negative fair value adjustments to non-hedging derivatives Concept (Monetary) For Period Debit ti:FinanceExpensesOnUnderlyingFinancialAssetsAndLiabilitiesNonDesignatedAsFairValueHedgeDerivatives
3337 Net fair value adjustments to non-hedging derivatives Concept (Monetary) For Period Credit ti:GainsLossesOnNotDesignatedAsHedgingInstrumentFairValueHedges
3338 1227 - Disclosure - Profit (Loss) for the year - Summary Profits (losses) for the Years (Detail) Network

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3339 Implied Table Table

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3340 Disclosure Of Profit Or Loss [abstract] Abstract ti:DisclosureOfProfitOrLossAbstract
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3342 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
3343 Owners of the Parent Abstract ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract
3344 Profit (loss) from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
3345 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToOrdinaryEquityHoldersOfParentEntity
3346 Profit (loss) for the year attributable to owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity
3347 Non-controlling interests Abstract ti:ProfitLossAttributableToNonControllingInterestsAbstract
3348 Profit (loss) from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperationsAttributableToNoncontrollingInterests
3349 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperationsAttributableToNoncontrollingInterests
3350 Profit (loss) for the year attributable to Non-Controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
3351 1228 - Disclosure - Earnings Per Share - Schedule of Basic Earnings Per Share (Detail) Network

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3352 Implied Table Table

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3355 Basic earnings per share- Ordinary Shares Concept (Share) For Period ti:BasicEarningsLossOrdinarySharesPerShare
3356 Plus: additional dividends per savings Share Concept (Share) For Period ti:AdditionalDividendsPerSavingsShare
3357 Basic earnings per share- Savings Shares Concept (Share) For Period ti:BasicEarningsLossSavingSharePerShare
3358 Basic Earnings Per Share From continuing Operations Abstract ti:BasicEarningsPerShareFromContinuingOperationsAbstract
3359 Profit (loss) from continuing operations attributable to owners of the Parent Concept (Monetary) For Period Credit ti:ProfitLossAttributableToOwnersOfParentFromContinuingOperations
3360 Less: additional dividends for the Savings Shares Concept (Monetary) For Period Debit ti:AdditionalDividendsForSavingsSharesBasic
3361 Earnings from continuing operations for per share calculation basic Concept (Monetary) For Period Credit ti:EarningsFromContinuingOperationsForPerShareCalculationBasic
3362 Average number of Ordinary and Savings Shares Concept (Shares) For Period ti:AverageNumberOfOrdinaryAndSavingsSharesBasic
3363 Basic earnings (loss) per share from continuing operations- Ordinary Shares Concept (Share) For Period ti:BasicEarningsLossPerShareFromContinuingOperationsOrdinaryShares
3364 Plus: additional dividends per savings Share Concept (Share) For Period ti:AdditionalDividendsPerSavingsShareBasic
3365 Basic earnings (loss) per share from continuing operations- Savings Shares Concept (Share) For Period ti:BasicEarningsLossPerShareFromContinuingOperationsSavingsShares
3366 Basic Earnings Per Share From Discontinued operations/Non-current assets held for sale Abstract ti:BasicEarningsPerShareFromDiscontinuedOperationsNonCurrentAssetsHeldForSaleAbstract
3367 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ti:ProfitLossFromDiscontinuedOperationsNonCurrentAssetsHeldForSale
3368 Average number of Ordinary and Savings Shares Concept (Shares) For Period ti:AverageNumberOfOrdinaryAndSavingsSharesBasic
3369 Basic earnings (loss) per share from Discontinued operations/ Non-current assets held for sale-Ordinary Shares Concept (Share) For Period ti:BasicEarningsLossPerShareFromDiscontinuedOperationsNonCurrentAssetsHeldForSaleOrdinaryShares
3370 Basic earnings (loss) per share from Discontinued operations/ Non-current assets held for sale-Savings Shares Concept (Share) For Period ti:BasicEarningsLossPerShareFromDiscontinuedOperationsNonCurrentAssetsHeldForSaleSavingsShares
3371 Average number of Ordinary Shares Concept (Shares) For Period ti:BasicWeightedAverageShares
3372 Average number of Savings Shares Concept (Shares) For Period ti:WeightedAverageSavingsShares
3373 Total Concept (Shares) For Period ti:WeightedAverageNumberOfSharesBasic
3374 Profit (loss) for the year attributable to Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
3375 Less: additional dividends for the savings shares (0.011 per share and up to capacity) Concept (Monetary) For Period Debit ti:AdditionalDividendsForSavingsShares
3376 Profit loss for calculating earnings per share Concept (Monetary) For Period Credit ti:ProfitLossForCalculatingEarningsPerShare
3377 1229 - Disclosure - Earnings Per Share - Schedule of Basic Earnings Per Share (Parenthetical) (Detail) Network

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3378 Implied Table Table

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3379 Basic earnings per share [abstract] Abstract ifrs-full:BasicEarningsPerShareAbstract
3380 Additional dividends for the savings shares per share basic Concept (Share) For Period ti:AdditionalDividendsForSavingsSharesPerShareBasic
3381 1230 - Disclosure - Earnings Per Share - Schedule of Diluted Earnings Per Share (Detail) Network

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3382 Implied Table Table

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3383 Diluted earnings per share [abstract] Abstract ifrs-full:DilutedEarningsPerShareAbstract
3384 Average number of Ordinary and Savings Shares Concept (Monetary) For Period Debit ti:AverageNumberOfOrdinaryAndSavingsSharesDiluted
3385 Diluted earnings per share-Ordinary Shares Concept (Share) For Period ti:DilutedEarningsLossOrdinarySharesPerShare
3386 Plus: additional dividends per savings Share Concept (Share) For Period ti:AdditionalDividendsPerSavingsShare
3387 Diluted earnings per share-Savings Shares Concept (Share) For Period ti:DilutedEarningsLossSavingSharePerShare
3388 Diluted Earnings Per Share From continuing Operations Abstract ti:DilutedEarningsPerShareFromContinuingOperationsAbstract
3389 Profit (loss) from continuing operations attributable to owners of the Parent Concept (Monetary) For Period Credit ti:ProfitLossAttributableToOwnersOfParentFromContinuingOperations
3390 Dilution effect of stock option plans and convertible bonds Concept (Monetary) For Period Debit ti:DilutiveEffectOfStockOptionPlansAndConvertibleInstruments
3391 Less: additional dividends for the Savings Shares Concept (Monetary) For Period Debit ti:AdditionalDividendsForSavingsSharesDiluted
3392 Diluted earnings per share from continuing operations Concept (Monetary) For Period Credit ti:EarningsFromContinuingOperationsForPerShareCalculationDiluted
3393 Average number of Ordinary and Savings Shares Concept (Monetary) For Period Debit ti:AverageNumberOfOrdinaryAndSavingsSharesDiluted
3394 Diluted earnings (loss) per share from continuing operations-Ordinary Shares Concept (Share) For Period ti:DilutedEarningsLossPerShareFromContinuingOperationsOrdinaryShares
3395 Plus: additional dividends per savings Share Concept (Share) For Period ti:AdditionalDividendsPerSavingsShareDiluted
3396 Diluted earnings (loss) per share from continuing operations-Savings Shares Concept (Share) For Period ti:DilutedEarningsLossPerShareFromContinuingOperationsSavingsShares
3397 Diluted Earnings Per Share From Discontinued operations/Non-current assets held for sale Abstract ti:DilutedEarningsPerShareFromDiscontinuedOperationsNonCurrentAssetsHeldForSaleAbstract
3398 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ti:ProfitLossFromDiscontinuedOperationsNonCurrentAssetsHeldForSale
3399 Dilution effect of stock option plans and convertible bonds Concept (Monetary) For Period Debit ti:DilutiveEffectOfStockOptionPlansAndConvertibleInstrumentsFromDiscontinuedOperations
3400 Average number of Ordinary and Savings Shares Concept (Monetary) For Period Debit ti:AverageNumberOfOrdinaryAndSavingsSharesDiluted
3401 Diluted earnings per share from Discontinued operations/ Non-current assets held for sale-Ordinary Shares Concept (Share) For Period ti:DilutedEarningsLossPerShareFromDiscontinuedOperationsNonCurrentAssetsHeldForSaleOrdinaryShares
3402 Diluted earnings per share from Discontinued operations/ Non-current assets held for sale-Savings Shares Concept (Share) For Period ti:DilutedEarningsLossPerShareFromDiscontinuedOperationsNonCurrentAssetsHeldForSaleSavingsShares
3403 Average number of Ordinary Shares (*) Concept (Shares) For Period ti:DilutedWeightedAverageShares
3404 Average number of Savings Shares Concept (Shares) For Period ti:WeightedAverageSavingsShares
3405 Total Concept (Shares) For Period ti:WeightedAverageNumberOfSharesDiluted
3406 Profit (loss) for the year attributable to Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
3407 Dilution effect of stock option plans and convertible bonds Concept (Monetary) For Period Debit ti:DilutiveEffectOfStockOptionPlansAndConvertibleInstruments
3408 Less: additional dividends for the savings shares (0.011 per share and up to capacity) Concept (Monetary) For Period Debit ti:AdditionalDividendsForSavingsShares
3409 Profit loss for calculating diluted earnings per share Concept (Monetary) For Period Credit ti:ProfitLossForCalculatingDilutedEarningsPerShare
3410 1231 - Disclosure - Earnings Per Share - Schedule of Diluted Earnings Per Share (Parenthetical) (Detail) Network

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3411 Diluted Earnings Per Share [table] Table

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3413 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
3414 Convertible bonds [member] Member ti:ConvertibleBondsMember
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3416 Additional dividends for the savings shares per share diluted Concept (Share) For Period ti:AdditionalDividendsForSavingsSharesPerShareDiluted
3417 Convertible bond adjustment Concept (Shares) For Period ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
3418 1232 - Disclosure - Earnings Per Share - Potential Future Changes in Share Capital (Detail) Network

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3419 Disclosure Of Potential Changes In Share Capital [table] Table

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3421 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
3422 2014 Stock option plan [member] Member ti:TwoThousandFourteenStockOptionPlanMember
3423 2015 stock option plan [member] Member ti:TwoThousandFifteenStockOptionPlanMember
3424 2016 stock option plan [member] Member ti:TwoThousandSixteenStockOptionPlanMember
3425 Stock option plan [member] Member ti:StockOptionPlanMember
3426 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
3427 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
3428 Ordinary share [member] Member ifrs-full:OrdinarySharesMember
3429 Classes of financial instruments [axis] Axis ifrs-full:ClassesOfFinancialInstrumentsAxis
3430 Financial instruments, class [member] Member ifrs-full:ClassesOfFinancialInstrumentsMember
3431 2015 convertible bond [member] Member ti:TwoThousandFifteenConvertibleBondsMember
3432 Convertible bonds [member] Member ti:ConvertibleBondsMember
3433 Disclosure of potential changes in share capital [line items] LineItems ti:DisclosureOfPotentialChangesInShareCapitalLineItems
3434 Number of maximum shares issuable Concept (Shares) For Period ti:MaximumNumberOfSharesIssuableUnderPlan
3435 Share capital Concept (Monetary) For Period Credit ti:SurplusReservesConvertedIntoShareCapital
3436 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
3437 Subscription price per shares Concept (Share) As Of ifrs-full:ParValuePerShare
3438 1233 - Disclosure - Segment Reporting - Separate Consolidated Income Statements by Operating Segment (Detail) Network

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3439 Disclosure of operating segments [table] Table

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3441 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
3442 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
3443 Adjustments and eliminations [member] Member ti:AdjustmentsAndEliminationsMember
3444 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
3445 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3446 Third-party [member] Member ti:ThirdPartyMember
3447 Intragroup [member] Member ti:IntraGroupMember
3448 Segments [axis] Axis ifrs-full:SegmentsAxis
3449 Segments [member] Member ifrs-full:SegmentsMember
3450 Domestic [member] Member ti:DomesticSegmentMember
3451 Brazil [member] Member ti:BrazilSegmentMember
3452 Other operations [member] Member ti:OtherOperationsSegmentMember
3453 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
3454 Revenues by operating segment Concept (Monetary) For Period Credit ifrs-full:Revenue
3455 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
3456 Total operating revenues and other income Concept (Monetary) For Period Credit ifrs-full:RevenueAndOperatingIncome
3457 Acquisition of goods and services Concept (Monetary) For Period Debit ti:AcquisitionOfGoodsAndServices
3458 Employee benefits expenses Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
3459 of which: accruals to employee severance indemnities Concept (Monetary) For Period Debit ti:AccrualsToEmployeeSeveranceIndemnities
3460 Other operating expenses Concept (Monetary) For Period Debit ifrs-full:MiscellaneousOtherOperatingExpense
3461 of which: write-downs and expenses in connection with credit management and provision charges Concept (Monetary) For Period Debit ti:WriteDownsAndExpensesInConnectionWithCreditManagementAndProvisionCharges
3462 Change in inventories Concept (Monetary) For Period Debit ifrs-full:ChangesInInventoriesOfFinishedGoodsAndWorkInProgress
3463 Internally generated assets Concept (Monetary) For Period Debit ti:InternallyGeneratedAssets
3464 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
3465 Gains (losses) on disposals of non-current assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
3466 Impairment reversals (losses) on non-current assets Concept (Monetary) For Period Credit ti:ImpairmentReversalsLossesOnNoncurrentAssets
3467 Operating profit (loss) Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
3468 Share of losses (profits) of associates and joint ventures accounted for using the equity method Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
3469 Other income (expenses) from investments Concept (Monetary) For Period Credit ifrs-full:OtherGainsLosses
3470 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
3471 Finance expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
3472 Profit (loss) before tax from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
3473 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
3474 Profit (loss) from continuing operations Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromContinuingOperations
3475 Profit (loss) from Discontinued operations/Non-current assets held for sale Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromDiscontinuedOperations
3476 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
3477 Attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
3478 Owners of the Parent Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
3479 Non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
3480 1234 - Disclosure - Segment Reporting - Revenues by Operating Segment (Detail) Network

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3481 Disclosure of operating segments [table] Table

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3485 Adjustments and eliminations [member] Member ti:AdjustmentsAndEliminationsMember
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3487 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
3488 Third-party [member] Member ti:ThirdPartyMember
3489 Intragroup [member] Member ti:IntraGroupMember
3490 Segments [axis] Axis ifrs-full:SegmentsAxis
3491 Segments [member] Member ifrs-full:SegmentsMember
3492 Domestic [member] Member ti:DomesticSegmentMember
3493 Brazil [member] Member ti:BrazilSegmentMember
3494 Other operations [member] Member ti:OtherOperationsSegmentMember
3495 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
3496 Total revenues from equipment sales Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfTelecommunicationEquipment
3497 Total revenues from services Concept (Monetary) For Period Credit ifrs-full:RevenueFromRenderingOfTelephoneServices
3498 Total revenues on construction contracts Concept (Monetary) For Period Credit ifrs-full:RevenueFromConstructionContracts
3499 Total revenues by operating segment Concept (Monetary) For Period Credit ifrs-full:Revenue
3500 1235 - Disclosure - Segment Reporting - Purchase of Intangible and Tangible Assets by Operating Segment (Detail) Network

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3501 Disclosure of operating segments [table] Table

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3504 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
3505 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
3506 Assets [member] Member ifrs-full:ClassesOfAssetsMember
3507 Assets held under finance lease [member] Member ti:AssetsUnderFinanceLeasesMember
3508 Segments [axis] Axis ifrs-full:SegmentsAxis
3509 Segments [member] Member ifrs-full:SegmentsMember
3510 Domestic [member] Member ti:DomesticSegmentMember
3511 Brazil [member] Member ti:BrazilSegmentMember
3512 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
3513 Purchase of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
3514 Purchase of tangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
3515 Total purchase of intangible and tangible assets Concept (Monetary) For Period Credit ti:PurchaseOfIntangibleAndTangibleAssetsOnAccrualBasisClassifiedAsInvestingActivities
3516 of which capital expenditures Concept (Monetary) For Period Credit ti:CapitalExpendituresAccrualBasis
3517 of which increases in finance leasing contracts Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInNetInvestmentInFinanceLease
3518 1236 - Disclosure - Segment Reporting - Summary of Headcount by Operating Segment (Detail) Network

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3519 Disclosure of operating segments [table] Table

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3524 Other operations [member] Member ti:OtherOperationsSegmentMember
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3526 Headcount Concept (Decimal) As Of ifrs-full:NumberOfEmployees
3527 1237 - Disclosure - Segment Reporting - Assets and Liabilities by Operating Segment (Detail) Network

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3528 Disclosure of operating segments [table] Table

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3531 Operating segments [member] Member ifrs-full:OperatingSegmentsMember
3532 Adjustments and eliminations [member] Member ti:AdjustmentsAndEliminationsMember
3533 Segments [axis] Axis ifrs-full:SegmentsAxis
3534 Segments [member] Member ifrs-full:SegmentsMember
3535 Domestic [member] Member ti:DomesticSegmentMember
3536 Brazil [member] Member ti:BrazilSegmentMember
3537 Other operations [member] Member ti:OtherOperationsSegmentMember
3538 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
3539 Non-current operating assets Concept (Monetary) As Of Debit ti:NonCurrentOperatingAssets
3540 Current operating assets Concept (Monetary) As Of Debit ti:CurrentOperatingAssets
3541 Total operating assets Concept (Monetary) As Of Debit ti:OperatingAssets
3542 Investments accounted for using the equity method Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
3543 Discontinued operations /Non-current assets held for sale Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners
3544 Unallocated assets Concept (Monetary) As Of Debit ti:UnallocatedAssets
3545 Total Assets Concept (Monetary) As Of Debit ifrs-full:Assets
3546 Total operating liabilities Concept (Monetary) As Of Credit ti:OperatingLiabilities
3547 Liabilities directly associated with Discontinued operations/Non-current assets held for sale Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncludedInDisposalGroupsClassifiedAsHeldForSale
3548 Unallocated liabilities Concept (Monetary) As Of Credit ti:UnallocatedLiabilities
3549 Equity Concept (Monetary) As Of Credit ifrs-full:Equity
3550 Total Equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
3551 1238 - Disclosure - Segment Reporting - Reporting by Geographical Area (Detail) Network

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3552 Disclosure of operating segments [table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
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3556 Customer outside Italy [member] Member ifrs-full:ForeignCountriesMember
3557 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
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3849 1249 - Disclosure - Equity Compensation Plans - Fair Value Measurement of the Granted Options and Rights - Details (Detail) Network

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3850 Disclosure of terms and conditions of share-based payment arrangement [table] Table

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ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
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3854 INWIT S.p. A [member] Member ti:InwitSpAMember
3855 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
3856 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
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3858 Stock Option Plan 2011 [member] Member ti:StockOptionPlanTwoThousandAndElevenMember
3859 Stock Option Plan 2012 [member] Member ti:StockOptionPlanTwoThousandAndTwelveMember
3860 Stock Option Plan 2013 [member] Member ti:StockOptionPlanTwoThousandAndThirteenMember
3861 Stock Option Plan 2014 [member] Member ti:StockOptionPlanTwoThousandAndFourteenMember
3862 Stock Option Plan 2015 [member] Member ti:StockOptionPlanTwoThousandAndFifteenMember
3863 Stock Option Plan 2016 [member] Member ti:StockOptionPlanTwoThousandAndSixteenMember
3864 2018 to 2020 plan [member] Member ti:TwoThousandEighteenToTwoThousandTwentyPlanMember
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3867 Nominal value Concept (Share) As Of ifrs-full:ParValuePerShare
3868 Stock option plan, volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
3869 Period Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
3870 Expected dividends Concept (Monetary) For Period ifrs-full:ExpectedDividendShareOptionsGranted
3871 Interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
3872 1250 - Disclosure - Other Information - Summary of Exchange Rates Used to Translate the Financial Statements of Foreign Operations (Detail) Network

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3873 Disclosure of Additional Information [Table] Table

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ti:DisclosureOfAdditionalInformationTable
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3876 Europe [member] Member srt:EuropeMember
3877 North America [member] Member srt:NorthAmericaMember
3878 Latin America [member] Member srt:LatinAmericaMember
3879 Other Countries [member] Member ti:OtherCountriesMember
3880 Currency [Axis] Axis srt:CurrencyAxis
3881 All Currencies [Domain] Member currency:AllCurrenciesDomain
3882 Bulgaria, Leva [member] Member currency:BGN
3883 Czech Republic, Koruny [member] Member currency:CZK
3884 Switzerland, Francs [member] Member currency:CHF
3885 Turkey, New Lira [member] Member currency:TRY
3886 GBP [member] Member currency:GBP
3887 Romania, New Lei [member] Member currency:RON
3888 Russia, Rubles [member] Member currency:RUB
3889 USD [member] Member currency:USD
3890 Venezuelan bolivar fuerte [member] Member currency:VEF
3891 Venezuelan bolivar soberano [member] Member ti:VenezuelanBolvarSoberanoMember
3892 Bolivia, Bolivianos [member] Member currency:BOB
3893 Peru, Nuevos Soles [member] Member currency:PEN
3894 Argentina, Pesos [member] Member currency:ARS
3895 Chile, Pesos [member] Member currency:CLP
3896 Colombia, Pesos [member] Member currency:COP
3897 BRL [member] Member currency:BRL
3898 Israel, New Shekels [member] Member currency:ILS
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3901 Average exchange rates for the year Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
3902 1251 - Disclosure - Other Information - Summary of Research and Development (Detail) Network

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3903 Implied Table Table

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3904 Disclosure of additional information [abstract] Abstract ti:DisclosureOfAdditionalInformationAbstract
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3907 Total research and development costs (expensed and capitalized) Concept (Monetary) For Period Debit ti:ResearchAndDevelopmentCostsExpensedAndCapitalized
3908 1252 - Disclosure - Other Information - Additional Information (Detail) Network

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3909 Implied Table Table

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3910 Disclosure of additional information [abstract] Abstract ti:DisclosureOfAdditionalInformationAbstract
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3912 1253 - Disclosure - Other Information - Summary of the Amount of Lease Installments Receivables (Detail) Network

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3913 Disclosure of Additional Information [Table] Table

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ti:DisclosureOfAdditionalInformationTable
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3921 1254 - Disclosure - Other Information - Summary of the Amount of Lease Installments Receivable (Detail) Network

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3922 Disclosure of Additional Information [Table] Table

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ti:DisclosureOfAdditionalInformationTable
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3927 Beyond 5 years [member] Member ifrs-full:LaterThanFiveYearsMember
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3929 Amount of lease installments receivable Concept (Monetary) As Of Debit ifrs-full:MinimumLeasePaymentsReceivableUnderNoncancellableOperatingLease
3930 1255 - Disclosure - Other Information - Summary of Public Funds (Detail) Network

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3931 Disclosure of public funds [table] Table

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ti:DisclosureOfPublicFundsTable
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3935 Fondirigenti [member] Member ti:FondirigentiMember
3936 Infratel [member] Member ti:InfratelMember
3937 Ministry of Economic Development [member] Member ti:MinistryOfEconomicDevelopmentMember
3938 MIUR [member] Member ti:MIURMember
3939 Autonomous Province of Trento [member] Member ti:AutonomousProvinceOfTrentoMember
3940 Segments [axis] Axis ifrs-full:SegmentsAxis
3941 Segments [member] Member ifrs-full:SegmentsMember
3942 Training segment [member] Member ti:TrainingSegmentMember
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3944 Construction of mobile network infrastructure [member] Member ti:ConstructionOfMobileNetworkInfrastructureMember
3945 Technological innovation projects [member] Member ti:TechnologicalInnovationProjectsMember
3946 Research and energy efficiency projects [member] Member ti:ResearchAndEnergyEfficiencyProjectsMember
3947 Eschooling project [member] Member ti:EschoolingProjectMember
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3949 2018 collections Concept (Monetary) For Period Credit ti:PublicFundsReceived
3950 1256 - Disclosure - Events Subsequent to December 31, 2018 - Additional Information (Detail) Network

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3951 Disclosure of non-adjusting events after reporting period [table] Table

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ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodTable
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3953 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
3954 Telecom Italia S.p.A. [member] Member ti:TelecomItaliaSpaMember
3955 Infrastrutture Wireless Italiane [member] Member ti:InfrastruttureWirelessItalianeMember
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3959 Types of contracts [axis] Axis ifrs-full:TypesOfContractsAxis
3960 Types of contracts [member] Member ifrs-full:TypesOfContractsMember
3961 Infrastructure network agreement [member] Member ti:InfrastructureNetworkAgreementMember
3962 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
3963 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
3964 Italy [member] Member country:IT
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3967 Currency Concept (Text/String) For Period ti:BondsNewIssueCurrency
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3970 Average cost of debt Concept (Percent) For Period ti:WeightedAverageCostOfDebt
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3972 Maturity date Concept (Date) For Period ti:BondsPayableMaturityDate
3973 Coupon Concept (Percent) For Period ti:BondsPayableCouponRate
3974 Issue price Concept (Percent) For Period ti:BondsIssuePriceInPercentage
3975 Repayment price Concept (Percent) For Period ti:BondRepurchasePricePercentage
3976 Bond yield above reference rate Concept (Percent) For Period ti:BondYieldAboveReferenceRate
3977 Total number of towers Concept (Integer) For Period ti:NumberOfTowers
3978 Number of sites Concept (Integer) For Period ti:NumberOfSites
3979 Total number of towers owned by two companies, percentage Concept (Percent) For Period ti:PercentageOfTowerNumbers
3980 Percentage of interest owned Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInJointOperation
3981 1257 - Disclosure - List of Companies of the Tim Group - Summary of List of Companies of the Tim Group (Detail) Network

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3982 Disclosure Of List Of Companies Of The Tim Group [table] Table

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ti:DisclosureOfListOfCompaniesOfTheTimGroupTable
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3984 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
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3986 MED-1 SUBMARINE CABLES Ltd [member] Member ti:MedOneSubmarineCablesLimitedMember
3987 NOVERCA S.r.l. [member] Member ti:NovercaSrlMember
3988 OLIVETTI S.p.A. [member] Member ti:OlivettiSpaMember
3989 PERSIDERA S.p.A. [member] Member ti:PersideraSpaMember
3990 TELECOM ITALIA SAN MARINO S.p.A. [member] Member ti:TelecomItaliaSanMarinoSpaMember
3991 TELECOM ITALIA SPARKLE S.p.A. [member] Member ti:TelecomeItaliaSparkleSpAMember
3992 TELECOM ITALIA TRUST TECHNOLOGIES S.r.l. [member] Member ti:TelecomItaliaTrustTechnologiesSrlMember
3993 TELECOM ITALIA VENTURES S.r.l. [member] Member ti:TelecomItaliaVenturesSrlMember
3994 TELECONTACT CENTER S.p.A. [member] Member ti:TelecontactCenterSpaMember
3995 TELEFONIA MOBILE SAMMARINESE S.p.A. [member] Member ti:TelefoniaMobileSammarineseSpaMember
3996 TELENERGIA S.r.l. [member] Member ti:TelenergiaSrlMember
3997 TELSY ELETTRONICA E TELECOMUNICAZIONI S.p.A. [member] Member ti:TelsyElettronicaETelecomunicazioniSpaMember
3998 TI SPARKLE AMERICAS Inc. [member] Member ti:TISparkleAmericasIncMember
3999 TI SPARKLE ARGENTINA S.A. [member] Member ti:TiSparkleArgentinaSaMember
4000 TI SPARKLE AUSTRIA GmbH [member] Member ti:TISparkleAustriaGmbhMember
4001 TI SPARKLE BELGIUM S.P.R.L.-B.V.B.A [member] Member ti:TiSparkleBelguimSprlBvbaMember
4002 TI SPARKLE BOLIVIA SRL [member] Member ti:TISparkleBoliviaSrlMember
4003 TI SPARKLE BRASIL PARTICIPACOES Ltda [member] Member ti:TISparkleBrasilParticipacoesLtdaMember
4004 TI SPARKLE BRASIL TELECOMUNICACIONES Ltda [member] Member ti:TISparkleBrasilTelecomunicacionesLtdaMember
4005 TI SPARKLE BULGARIA EOOD [member] Member ti:TiSparkleBulgariaEoodMember
4006 TI Sparkle Chile S.p.A. [member] Member ti:TISparkleChileSPAMember
4007 TI SPARKLE COLOMBIA Ltda [member] Member ti:TISparkleColombiaLtdaMember
4008 TI SPARKLE CZECH S.R.O. [member] Member ti:TISparkleCzechSROMember
4009 TI Sparkle France S.A.S. [member] Member ti:TISparkleFranceSASMember
4010 TI SPARKLE GERMANY GmbH [member] Member ti:TiSparkleGermanyGmbhMember
4011 TI SPARKLE GREECE S.A. [member] Member ti:TISparkleGreeceSAMember
4012 W.A.Y. S.r.l. [member] Member ti:WAYSRLMember
4013 Wiman S.r.l [member] Member ti:WimanSrlMember
4014 CONSORZIO ANTENNA MONTECONERO [member] Member ti:ConsorzioAntennaColbuccaroMember
4015 CONSORZIO EMITTENTI RADIOTELEVISIVE [member] Member ti:ConsorzioEmittentiRadiotelevisiveMember
4016 CONSORZIO HEALTH INNOVATION HUB (IN LIQUIDATION) [member] Member ti:ConsorzioHealthInnovationHubMember
4017 Dahlia TV S.p.A [member] Member ti:DahliaTVSpaMember
4018 FIN.PRIV. S.r.l. [member] Member ti:FinPrivSrlMember
4019 IGOON. S.r.l. [member] Member ti:IgoonSrlMember
4020 INNAAS S.r.l. [member] Member ti:InnaasSrlMember
4021 Italibiz COM Inc [member] Member ti:ItalibizComIncMember
4022 MIX S.r.l. [member] Member ti:MixSrlMember
4023 Alfiere SPA [member] Member ti:AlfiereSPAMember
4024 Aree Urbane Srl [member] Member ti:AreeUrbaneSrlMember
4025 ASSCOM INSURANCE BROKERS S.r.l. [member] Member ti:AsscomInsuranceBrokersSrlMember
4026 CLOUDESIRE.COM S.r.l. [member] Member ti:CloudesireComSrlMember
4027 CONSORZIO ANTENNA TOLENTINO [member] Member ti:ConsorzioAntennaTolentinoMember
4028 Consorzio Antenna Monteconero [member] Member ti:ConsorzioAntennaMonteconeroMember
4029 Consorzio E O [member] Member ti:ConsorzioEOMember
4030 Eco Four Cloud Srl [member] Member ti:EcoFourCloudSrlMember
4031 KOPJRA S.r.l. [Member] Member ti:KopJraSrlMember
4032 Movenda S.p.A. [member] Member ti:MovendaSPAMember
4033 NordCom S.p.A. [member] Member ti:NordComSPAMember
4034 Oil Project Srl [member] Member ti:OilProjectSrlMember
4035 Pedius Srl [member] Member ti:PediusSrlMember
4036 Tiglio L Srl [member] Member ti:TiglioLSrlMember
4037 Tiglio I Srl [member] Member ti:TiglioIISrlMember
4038 ADVANCED CARING CENTER S.r.l. [member] Member ti:AdvancedCaringCenterSrlMember
4039 CD FIBER S.r.l. [member] Member ti:CDFiberSrlMember
4040 FLASH FIBER S.r.l. [member] Member ti:FlashFiberSrlMember
4041 H.R. SERVICES S.r.l. [member] Member ti:HRServicesSrlMember
4042 TIM S.p.A [member] Member ifrs-full:ParentMember
4043 TI Sparkle Israel Ltd [member] Member ti:TISparkleIsraelLtdMember
4044 TI SPARKLE NORTH AMERICA. INC. [member] Member ti:TISparkleNorthAmericaIncMember
4045 TI SPARKLE NETHERLANDS B.V. [member] Member ti:TISparkleNetherlandsBVMember
4046 TI SPARKLE PANAMA S.A. [member] Member ti:TiSparklePanamaSaMember
4047 TI SPARKLE PERU' S.A. [member] Member ti:TISparklePeruSAMember
4048 TI SPARKLE PUERTO RICO LLC [member] Member ti:TISparklePuertoRicoLLCMember
4049 TT SPARKLE ROMANIA S.R.L. [member] Member ti:TtSparkleRomaniaSrlMember
4050 TI Sparkle Russia LLC [member] Member ti:TISparkleRussiaLLCMember
4051 TI SPARKLE UK Ltd [member] Member ti:TISparkleUKLtdMember
4052 TI SPARKLE SINGAPORE PTE. Ltd [member] Member ti:TISparkleSingaporePteLtdMember
4053 TI SPARKLE SLOVAKIA S.R.O. [member] Member ti:TISparkleSlovakiaSROMember
4054 TI SPARKLE SPAIN TELECOMMUNICATIONS SL [member] Member ti:TISparkleSpainTelecommunicationsSLMember
4055 TI SPARKLE St. Croix LLC [member] Member ti:TISparkleStCroixLLCMember
4056 TI SPARKLE SWITZERLAND GmbH [member] Member ti:TiSparkleSwiterzerlandGmbhMember
4057 TI SPARKLE TURKEY TELEKOMUNIKASYON ANONIM SIRKETI [member] Member ti:TISparkleTurkeyTelekomunikasyonAnonimSirketiMember
4058 TI SPARKLE VENEZUELA C.A. [member] Member ti:TISparkleVenezuelaCAMember
4059 TIMB2 S.r.l. [member] Member ti:TimbTwoSrlMember
4060 TIMVISION S.r.l. [member] Member ti:TimVisionSrlMember
4061 TN FIBER S.r.l. [member] Member ti:TNFiberSrlMember
4062 TIM BRASIL SERVICOS E PARTICIPACOES S.A. [member] Member ti:TimBrasilServicosEParticipacoesSAMember
4063 TIM PARTICIPACOES S.A. [member] Member ti:TimParticipacoesSAMember
4064 Tim S.A. [member] Member ti:TimSAMember
4065 OLIVETTI DEUTSCHLAND GmbH [member] Member ti:OlivettiDeutschLandGmbhMember
4066 OLIVETTI SCUOLA DIGITALE S.r.l [member] Member ti:OlivettiScuolaDigitaleSrlMember
4067 OLIVETTI UK Ltd [member] Member ti:OlivettiUkLtdMember
4068 Telecom Italia Capital S.A. [member] Member ti:TelecomItaliaCapitalSAMember
4069 Telecom Italia Finance S.A. [member] Member ti:TelecomItaliaFinanceSAMember
4070 TELECOM ITALIA LATAM PARTICIPACOES E GESTAO ADMINISTRATIVA Ltda [member] Member ti:TelecomItaliaLatamParticipacoesEGestaoAdministrativaLtdaMember
4071 TIAUDIT COMPLIANCE LATAM S.A. [member] Member ti:TiauditComplianceLatamSaMember
4072 TIESSE S.c.p.A. [member] Member ti:TiesseScpaMember
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4074 4G RETAIL S.r.l. [member] Member ti:FourGRetailSrlMember
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4076 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
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4078 TELECOM ITALIA SPARKLE S.p.A. [member] Member ti:TelecomItaliaSparkleSpaMember
4079 TI SPARKLE UK Ltd [member] Member ti:TISparkleUKLtdMember
4080 TI SPARKLE AMERICAS Inc. [member] Member ti:TISparkleAmericasIncMember
4081 TI SPARKLE BRASIL PARTICIPACOES Ltda [member] Member ti:TISparkleBrasilParticipacoesLtdaMember
4082 TI SPARKLE NORTH AMERICA. INC. [member] Member ti:TISparkleNorthAmericaIncMember
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4085 Telecom Italia Finance S.A. [member] Member ti:TelecomItaliaFinanceSAMember
4086 TIM BRASIL SERVICOS E PARTICIPACOES S.A. [member] Member ti:TimBrasilServicosEParticipacoesSAMember
4087 TIM PARTICIPACOES S.A. [member] Member ti:TimParticipacoesSAMember
4088 INFRASTRUTTURE WIRELESS ITALIANE S.p.A.. [member] Member ti:InfrastructureWirelessItalianeSpaMember
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