3.25.1 html 2151 796 1 false 477 0 false 31 false false R1.htm 995200090 - Document - Document and Entity Information Sheet http://www.telkom.co.id/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 995200100 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Sheet http://www.telkom.co.id/role/StatementConsolidatedStatementsOfFinancialPosition CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Statements 2 false false R3.htm 995200200 - Statement - CONSOLIDATED STATEMENTS OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Sheet http://www.telkom.co.id/role/StatementConsolidatedStatementsOfProfitOrLossAndOtherComprehensiveIncome CONSOLIDATED STATEMENTS OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME Statements 3 false false R4.htm 995200205 - Statement - CONSOLIDATED STATEMENTS OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME (Parenthetical) Sheet http://www.telkom.co.id/role/StatementConsolidatedStatementsOfProfitOrLossAndOtherComprehensiveIncomeParenthetical CONSOLIDATED STATEMENTS OF PROFIT OR LOSS AND OTHER COMPREHENSIVE INCOME (Parenthetical) Statements 4 false false R5.htm 995200300 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Sheet http://www.telkom.co.id/role/StatementConsolidatedStatementsOfChangesInEquity CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Statements 5 false false R6.htm 995200400 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.telkom.co.id/role/StatementConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 995210101 - Disclosure - GENERAL Sheet http://www.telkom.co.id/role/DisclosureGeneral GENERAL Notes 7 false false R8.htm 995210201 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformation SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION Notes 8 false false R9.htm 995210301 - Disclosure - TRANSLATION OF INDONESIAN RUPIAH INTO UNITED STATES DOLLAR Sheet http://www.telkom.co.id/role/DisclosureTranslationOfIndonesianRupiahIntoUnitedStatesDollar TRANSLATION OF INDONESIAN RUPIAH INTO UNITED STATES DOLLAR Notes 9 false false R10.htm 995210401 - Disclosure - CASH AND CASH EQUIVALENTS Sheet http://www.telkom.co.id/role/DisclosureCashAndCashEquivalents CASH AND CASH EQUIVALENTS Notes 10 false false R11.htm 995210501 - Disclosure - OTHER CURRENT FINANCIAL ASSETS Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentFinancialAssets OTHER CURRENT FINANCIAL ASSETS Notes 11 false false R12.htm 995210601 - Disclosure - TRADE AND OTHER RECEIVABLES Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivables TRADE AND OTHER RECEIVABLES Notes 12 false false R13.htm 995210701 - Disclosure - CONTRACT ASSETS Sheet http://www.telkom.co.id/role/DisclosureContractAssets CONTRACT ASSETS Notes 13 false false R14.htm 995210801 - Disclosure - INVENTORIES Sheet http://www.telkom.co.id/role/DisclosureInventories INVENTORIES Notes 14 false false R15.htm 995210901 - Disclosure - OTHER CURRENT ASSETS Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentAssets OTHER CURRENT ASSETS Notes 15 false false R16.htm 995211001 - Disclosure - CONTRACT COSTS Sheet http://www.telkom.co.id/role/DisclosureContractCosts CONTRACT COSTS Notes 16 false false R17.htm 995211101 - Disclosure - LONG-TERM INVESTMENTS Sheet http://www.telkom.co.id/role/DisclosureLongTermInvestments LONG-TERM INVESTMENTS Notes 17 false false R18.htm 995211201 - Disclosure - PROPERTY AND EQUIPMENT Sheet http://www.telkom.co.id/role/DisclosurePropertyAndEquipment PROPERTY AND EQUIPMENT Notes 18 false false R19.htm 995211301 - Disclosure - LEASES Sheet http://www.telkom.co.id/role/DisclosureLeases LEASES Notes 19 false false R20.htm 995211401 - Disclosure - OTHER NON-CURRENT ASSETS Sheet http://www.telkom.co.id/role/DisclosureOtherNonCurrentAssets OTHER NON-CURRENT ASSETS Notes 20 false false R21.htm 995211501 - Disclosure - INTANGIBLE ASSETS Sheet http://www.telkom.co.id/role/DisclosureIntangibleAssets INTANGIBLE ASSETS Notes 21 false false R22.htm 995211601 - Disclosure - TRADE AND OTHER PAYABLES Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherPayables TRADE AND OTHER PAYABLES Notes 22 false false R23.htm 995211701 - Disclosure - ACCRUED EXPENSES Sheet http://www.telkom.co.id/role/DisclosureAccruedExpenses ACCRUED EXPENSES Notes 23 false false R24.htm 995211801 - Disclosure - CONTRACT LIABILITIES Sheet http://www.telkom.co.id/role/DisclosureContractLiabilities CONTRACT LIABILITIES Notes 24 false false R25.htm 995211901 - Disclosure - SHORT-TERM BANK LOANS Sheet http://www.telkom.co.id/role/DisclosureShortTermBankLoans SHORT-TERM BANK LOANS Notes 25 false false R26.htm 995212001 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowings LONG-TERM LOANS AND OTHER BORROWINGS Notes 26 false false R27.htm 995212101 - Disclosure - NON-CONTROLLING INTERESTS Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterests NON-CONTROLLING INTERESTS Notes 27 false false R28.htm 995212201 - Disclosure - CAPITAL STOCK Sheet http://www.telkom.co.id/role/DisclosureCapitalStock CAPITAL STOCK Notes 28 false false R29.htm 995212301 - Disclosure - BASIC EARNINGS PER SHARE Sheet http://www.telkom.co.id/role/DisclosureBasicEarningsPerShare BASIC EARNINGS PER SHARE Notes 29 false false R30.htm 995212401 - Disclosure - REVENUES Sheet http://www.telkom.co.id/role/DisclosureRevenues REVENUES Notes 30 false false R31.htm 995212501 - Disclosure - PERSONNEL EXPENSES Sheet http://www.telkom.co.id/role/DisclosurePersonnelExpenses PERSONNEL EXPENSES Notes 31 false false R32.htm 995212601 - Disclosure - OPERATION, MAINTENANCE, AND TELECOMMUNICATION SERVICE EXPENSES Sheet http://www.telkom.co.id/role/DisclosureOperationMaintenanceAndTelecommunicationServiceExpenses OPERATION, MAINTENANCE, AND TELECOMMUNICATION SERVICE EXPENSES Notes 32 false false R33.htm 995212701 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES Sheet http://www.telkom.co.id/role/DisclosureGeneralAndAdministrativeExpenses GENERAL AND ADMINISTRATIVE EXPENSES Notes 33 false false R34.htm 995212801 - Disclosure - TAXATION Sheet http://www.telkom.co.id/role/DisclosureTaxation TAXATION Notes 34 false false R35.htm 995212901 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefits PENSION AND OTHER POST-EMPLOYMENT BENEFITS Notes 35 false false R36.htm 995213001 - Disclosure - LONG SERVICE AWARDS ("LSA") PROVISIONS Sheet http://www.telkom.co.id/role/DisclosureLongServiceAwardslsaProvisions LONG SERVICE AWARDS ("LSA") PROVISIONS Notes 36 false false R37.htm 995213101 - Disclosure - RELATED PARTY TRANSACTIONS Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactions RELATED PARTY TRANSACTIONS Notes 37 false false R38.htm 995213201 - Disclosure - OPERATING SEGMENTS Sheet http://www.telkom.co.id/role/DisclosureOperatingSegments OPERATING SEGMENTS Notes 38 false false R39.htm 995213301 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthers SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS Notes 39 false false R40.htm 995213401 - Disclosure - FINANCIAL INSTRUMENTS Sheet http://www.telkom.co.id/role/DisclosureFinancialInstruments FINANCIAL INSTRUMENTS Notes 40 false false R41.htm 995213501 - Disclosure - CAPITAL MANAGEMENT Sheet http://www.telkom.co.id/role/DisclosureCapitalManagement CAPITAL MANAGEMENT Notes 41 false false R42.htm 995213601 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION Sheet http://www.telkom.co.id/role/DisclosureSupplementalCashFlowInformation SUPPLEMENTAL CASH FLOW INFORMATION Notes 42 false false R43.htm 995213701 - Disclosure - SUBSEQUENT EVENTS Sheet http://www.telkom.co.id/role/DisclosureSubsequentEvents SUBSEQUENT EVENTS Notes 43 false false R44.htm 995213801 - Disclosure - NEW ACCOUNTING STANDARDS AND INTERPRETATIONS NOT YET ADOPTED Sheet http://www.telkom.co.id/role/DisclosureNewAccountingStandardsAndInterpretationsNotYetAdopted NEW ACCOUNTING STANDARDS AND INTERPRETATIONS NOT YET ADOPTED Notes 44 false false R45.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 45 false false R46.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 46 false false R47.htm 99920202 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION (Policies) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationPolicies SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION (Policies) Policies 47 false false R48.htm 99930103 - Disclosure - GENERAL (Tables) Sheet http://www.telkom.co.id/role/DisclosureGeneralTables GENERAL (Tables) Tables http://www.telkom.co.id/role/DisclosureGeneral 48 false false R49.htm 99930203 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION (Tables) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationTables SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION (Tables) Tables http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformation 49 false false R50.htm 99930403 - Disclosure - CASH AND CASH EQUIVALENTS (Tables) Sheet http://www.telkom.co.id/role/DisclosureCashAndCashEquivalentsTables CASH AND CASH EQUIVALENTS (Tables) Tables http://www.telkom.co.id/role/DisclosureCashAndCashEquivalents 50 false false R51.htm 99930503 - Disclosure - OTHER CURRENT FINANCIAL ASSETS (Tables) Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentFinancialAssetsTables OTHER CURRENT FINANCIAL ASSETS (Tables) Tables http://www.telkom.co.id/role/DisclosureOtherCurrentFinancialAssets 51 false false R52.htm 99930603 - Disclosure - TRADE AND OTHER RECEIVABLES (Tables) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesTables TRADE AND OTHER RECEIVABLES (Tables) Tables http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivables 52 false false R53.htm 99930703 - Disclosure - CONTRACT ASSETS (Tables) Sheet http://www.telkom.co.id/role/DisclosureContractAssetsTables CONTRACT ASSETS (Tables) Tables http://www.telkom.co.id/role/DisclosureContractAssets 53 false false R54.htm 99930803 - Disclosure - INVENTORIES (Tables) Sheet http://www.telkom.co.id/role/DisclosureInventoriesTables INVENTORIES (Tables) Tables http://www.telkom.co.id/role/DisclosureInventories 54 false false R55.htm 99930903 - Disclosure - OTHER CURRENT ASSETS (Tables) Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentAssetsTables OTHER CURRENT ASSETS (Tables) Tables http://www.telkom.co.id/role/DisclosureOtherCurrentAssets 55 false false R56.htm 99931003 - Disclosure - CONTRACT COSTS (Tables) Sheet http://www.telkom.co.id/role/DisclosureContractCostsTables CONTRACT COSTS (Tables) Tables http://www.telkom.co.id/role/DisclosureContractCosts 56 false false R57.htm 99931103 - Disclosure - LONG-TERM INVESTMENTS (Tables) Sheet http://www.telkom.co.id/role/DisclosureLongTermInvestmentsTables LONG-TERM INVESTMENTS (Tables) Tables http://www.telkom.co.id/role/DisclosureLongTermInvestments 57 false false R58.htm 99931203 - Disclosure - PROPERTY AND EQUIPMENT (Tables) Sheet http://www.telkom.co.id/role/DisclosurePropertyAndEquipmentTables PROPERTY AND EQUIPMENT (Tables) Tables http://www.telkom.co.id/role/DisclosurePropertyAndEquipment 58 false false R59.htm 99931303 - Disclosure - LEASES (Tables) Sheet http://www.telkom.co.id/role/DisclosureLeasesTables LEASES (Tables) Tables http://www.telkom.co.id/role/DisclosureLeases 59 false false R60.htm 99931403 - Disclosure - OTHER NON-CURRENT ASSETS (Tables) Sheet http://www.telkom.co.id/role/DisclosureOtherNonCurrentAssetsTables OTHER NON-CURRENT ASSETS (Tables) Tables http://www.telkom.co.id/role/DisclosureOtherNonCurrentAssets 60 false false R61.htm 99931503 - Disclosure - INTANGIBLE ASSETS (Tables) Sheet http://www.telkom.co.id/role/DisclosureIntangibleAssetsTables INTANGIBLE ASSETS (Tables) Tables http://www.telkom.co.id/role/DisclosureIntangibleAssets 61 false false R62.htm 99931603 - Disclosure - TRADE AND OTHER PAYABLES (Tables) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherPayablesTables TRADE AND OTHER PAYABLES (Tables) Tables http://www.telkom.co.id/role/DisclosureTradeAndOtherPayables 62 false false R63.htm 99931703 - Disclosure - ACCRUED EXPENSES (Tables) Sheet http://www.telkom.co.id/role/DisclosureAccruedExpensesTables ACCRUED EXPENSES (Tables) Tables http://www.telkom.co.id/role/DisclosureAccruedExpenses 63 false false R64.htm 99931803 - Disclosure - CONTRACT LIABILITIES (Tables) Sheet http://www.telkom.co.id/role/DisclosureContractLiabilitiesTables CONTRACT LIABILITIES (Tables) Tables http://www.telkom.co.id/role/DisclosureContractLiabilities 64 false false R65.htm 99931903 - Disclosure - SHORT-TERM BANK LOANS (Tables) Sheet http://www.telkom.co.id/role/DisclosureShortTermBankLoansTables SHORT-TERM BANK LOANS (Tables) Tables http://www.telkom.co.id/role/DisclosureShortTermBankLoans 65 false false R66.htm 99932003 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS (Tables) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsTables LONG-TERM LOANS AND OTHER BORROWINGS (Tables) Tables http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowings 66 false false R67.htm 99932103 - Disclosure - NON-CONTROLLING INTERESTS (Tables) Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterestsTables NON-CONTROLLING INTERESTS (Tables) Tables http://www.telkom.co.id/role/DisclosureNonControllingInterests 67 false false R68.htm 99932203 - Disclosure - CAPITAL STOCK (Tables) Sheet http://www.telkom.co.id/role/DisclosureCapitalStockTables CAPITAL STOCK (Tables) Tables http://www.telkom.co.id/role/DisclosureCapitalStock 68 false false R69.htm 99932403 - Disclosure - REVENUES (Tables) Sheet http://www.telkom.co.id/role/DisclosureRevenuesTables REVENUES (Tables) Tables http://www.telkom.co.id/role/DisclosureRevenues 69 false false R70.htm 99932503 - Disclosure - PERSONNEL EXPENSES (Tables) Sheet http://www.telkom.co.id/role/DisclosurePersonnelExpensesTables PERSONNEL EXPENSES (Tables) Tables http://www.telkom.co.id/role/DisclosurePersonnelExpenses 70 false false R71.htm 99932603 - Disclosure - OPERATION, MAINTENANCE, AND TELECOMMUNICATION SERVICE EXPENSES (Tables) Sheet http://www.telkom.co.id/role/DisclosureOperationMaintenanceAndTelecommunicationServiceExpensesTables OPERATION, MAINTENANCE, AND TELECOMMUNICATION SERVICE EXPENSES (Tables) Tables http://www.telkom.co.id/role/DisclosureOperationMaintenanceAndTelecommunicationServiceExpenses 71 false false R72.htm 99932703 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Tables) Sheet http://www.telkom.co.id/role/DisclosureGeneralAndAdministrativeExpensesTables GENERAL AND ADMINISTRATIVE EXPENSES (Tables) Tables http://www.telkom.co.id/role/DisclosureGeneralAndAdministrativeExpenses 72 false false R73.htm 99932803 - Disclosure - TAXATION (Tables) Sheet http://www.telkom.co.id/role/DisclosureTaxationTables TAXATION (Tables) Tables http://www.telkom.co.id/role/DisclosureTaxation 73 false false R74.htm 99932903 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS (Tables) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsTables PENSION AND OTHER POST-EMPLOYMENT BENEFITS (Tables) Tables http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefits 74 false false R75.htm 99933103 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsTables RELATED PARTY TRANSACTIONS (Tables) Tables http://www.telkom.co.id/role/DisclosureRelatedPartyTransactions 75 false false R76.htm 99933203 - Disclosure - OPERATING SEGMENTS (Tables) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsTables OPERATING SEGMENTS (Tables) Tables http://www.telkom.co.id/role/DisclosureOperatingSegments 76 false false R77.htm 99933303 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS (Tables) Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthersTables SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS (Tables) Tables http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthers 77 false false R78.htm 99933403 - Disclosure - FINANCIAL INSTRUMENTS (Tables) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsTables FINANCIAL INSTRUMENTS (Tables) Tables http://www.telkom.co.id/role/DisclosureFinancialInstruments 78 false false R79.htm 99933503 - Disclosure - CAPITAL MANAGEMENT (Tables) Sheet http://www.telkom.co.id/role/DisclosureCapitalManagementTables CAPITAL MANAGEMENT (Tables) Tables http://www.telkom.co.id/role/DisclosureCapitalManagement 79 false false R80.htm 99933603 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION (Tables) Sheet http://www.telkom.co.id/role/DisclosureSupplementalCashFlowInformationTables SUPPLEMENTAL CASH FLOW INFORMATION (Tables) Tables http://www.telkom.co.id/role/DisclosureSupplementalCashFlowInformation 80 false false R81.htm 99940101 - Disclosure - GENERAL (Details) Sheet http://www.telkom.co.id/role/DisclosureGeneralDetails GENERAL (Details) Details http://www.telkom.co.id/role/DisclosureGeneralTables 81 false false R82.htm 99940102 - Disclosure - GENERAL - Direct Subsidiaries (Details) Sheet http://www.telkom.co.id/role/DisclosureGeneralDirectSubsidiariesDetails GENERAL - Direct Subsidiaries (Details) Details 82 false false R83.htm 99940103 - Disclosure - GENERAL - Indirect Subsidiaries (Details) Sheet http://www.telkom.co.id/role/DisclosureGeneralIndirectSubsidiariesDetails GENERAL - Indirect Subsidiaries (Details) Details 83 false false R84.htm 99940104 - Disclosure - GENERAL - Difference in the transaction (Details) Sheet http://www.telkom.co.id/role/DisclosureGeneralDifferenceInTransactionDetails GENERAL - Difference in the transaction (Details) Details 84 false false R85.htm 99940201 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Intangible assets (Details) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationIntangibleAssetsDetails SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Intangible assets (Details) Details 85 false false R86.htm 99940202 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Property and equipment (Details) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationPropertyAndEquipmentDetails SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Property and equipment (Details) Details 86 false false R87.htm 99940203 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Leases (Details) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationLeasesDetails SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Leases (Details) Details http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationTables 87 false false R88.htm 99940204 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Foreign currency translations (Details) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationForeignCurrencyTranslationsDetails SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Foreign currency translations (Details) Details 88 false false R89.htm 99940205 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Financial instruments (Details) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationFinancialInstrumentsDetails SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Financial instruments (Details) Details 89 false false R90.htm 99940206 - Disclosure - SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Basic and diluted earnings per share and earnings per ADS (Details) Sheet http://www.telkom.co.id/role/DisclosureSummaryOfMaterialAccountingPoliciesInformationBasicAndDilutedEarningsPerShareAndEarningsPerAdsDetails SUMMARY OF MATERIAL ACCOUNTING POLICIES INFORMATION - Basic and diluted earnings per share and earnings per ADS (Details) Details 90 false false R91.htm 99940301 - Disclosure - TRANSLATION OF INDONESIAN RUPIAH INTO UNITED STATES DOLLAR (Details) Sheet http://www.telkom.co.id/role/DisclosureTranslationOfIndonesianRupiahIntoUnitedStatesDollarDetails TRANSLATION OF INDONESIAN RUPIAH INTO UNITED STATES DOLLAR (Details) Details http://www.telkom.co.id/role/DisclosureTranslationOfIndonesianRupiahIntoUnitedStatesDollar 91 false false R92.htm 99940401 - Disclosure - CASH AND CASH EQUIVALENTS - Breakdown of cash and cash equivalents by related parties and third parties (Details) Sheet http://www.telkom.co.id/role/DisclosureCashAndCashEquivalentsBreakdownOfCashAndCashEquivalentsByRelatedPartiesAndThirdPartiesDetails CASH AND CASH EQUIVALENTS - Breakdown of cash and cash equivalents by related parties and third parties (Details) Details 92 false false R93.htm 99940402 - Disclosure - CASH AND CASH EQUIVALENTS - Interest rates on cash and cash equivalents (Details) Sheet http://www.telkom.co.id/role/DisclosureCashAndCashEquivalentsInterestRatesOnCashAndCashEquivalentsDetails CASH AND CASH EQUIVALENTS - Interest rates on cash and cash equivalents (Details) Details 93 false false R94.htm 99940501 - Disclosure - OTHER CURRENT FINANCIAL ASSETS - Breakdown of other current financial assets by related parties and third parties (Details) Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentFinancialAssetsBreakdownOfOtherCurrentFinancialAssetsByRelatedPartiesAndThirdPartiesDetails OTHER CURRENT FINANCIAL ASSETS - Breakdown of other current financial assets by related parties and third parties (Details) Details 94 false false R95.htm 99940502 - Disclosure - OTHER CURRENT FINANCIAL ASSETS - Schedule of interest rates on maturities of time deposits (Details) Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentFinancialAssetsScheduleOfInterestRatesOnMaturitiesOfTimeDepositsDetails OTHER CURRENT FINANCIAL ASSETS - Schedule of interest rates on maturities of time deposits (Details) Details 95 false false R96.htm 99940601 - Disclosure - TRADE AND OTHER RECEIVABLES (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesDetails TRADE AND OTHER RECEIVABLES (Details) Details http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesTables 96 false false R97.htm 99940602 - Disclosure - TRADE AND OTHER RECEIVABLES - By debtor (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesByDebtorDetails TRADE AND OTHER RECEIVABLES - By debtor (Details) Details 97 false false R98.htm 99940603 - Disclosure - TRADE AND OTHER RECEIVABLES - By age (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesByAgeDetails TRADE AND OTHER RECEIVABLES - By age (Details) Details 98 false false R99.htm 99940604 - Disclosure - TRADE AND OTHER RECEIVABLES - By currency (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesByCurrencyDetails TRADE AND OTHER RECEIVABLES - By currency (Details) Details 99 false false R100.htm 99940605 - Disclosure - TRADE AND OTHER RECEIVABLES - Changes in Provision for expected credit losses (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesChangesInProvisionForExpectedCreditLossesDetails TRADE AND OTHER RECEIVABLES - Changes in Provision for expected credit losses (Details) Details 100 false false R101.htm 99940606 - Disclosure - TRADE AND OTHER RECEIVABLES - Pledge (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherReceivablesPledgeDetails TRADE AND OTHER RECEIVABLES - Pledge (Details) Details 101 false false R102.htm 99940701 - Disclosure - CONTRACT ASSETS (Details) Sheet http://www.telkom.co.id/role/DisclosureContractAssetsDetails CONTRACT ASSETS (Details) Details http://www.telkom.co.id/role/DisclosureContractAssetsTables 102 false false R103.htm 99940801 - Disclosure - INVENTORIES (Details) Sheet http://www.telkom.co.id/role/DisclosureInventoriesDetails INVENTORIES (Details) Details http://www.telkom.co.id/role/DisclosureInventoriesTables 103 false false R104.htm 99940802 - Disclosure - INVENTORIES - Provision for obsolescence (Details) Sheet http://www.telkom.co.id/role/DisclosureInventoriesProvisionForObsolescenceDetails INVENTORIES - Provision for obsolescence (Details) Details 104 false false R105.htm 99940901 - Disclosure - OTHER CURRENT ASSETS (Details) Sheet http://www.telkom.co.id/role/DisclosureOtherCurrentAssetsDetails OTHER CURRENT ASSETS (Details) Details http://www.telkom.co.id/role/DisclosureOtherCurrentAssetsTables 105 false false R106.htm 99941001 - Disclosure - CONTRACT COSTS (Details) Sheet http://www.telkom.co.id/role/DisclosureContractCostsDetails CONTRACT COSTS (Details) Details http://www.telkom.co.id/role/DisclosureContractCostsTables 106 false false R107.htm 99941101 - Disclosure - LONG-TERM INVESTMENTS (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermInvestmentsDetails LONG-TERM INVESTMENTS (Details) Details http://www.telkom.co.id/role/DisclosureLongTermInvestmentsTables 107 false false R108.htm 99941201 - Disclosure - PROPERTY AND EQUIPMENT (Details) Sheet http://www.telkom.co.id/role/DisclosurePropertyAndEquipmentDetails PROPERTY AND EQUIPMENT (Details) Details http://www.telkom.co.id/role/DisclosurePropertyAndEquipmentTables 108 false false R109.htm 99941202 - Disclosure - PROPERTY AND EQUIPMENT - Gain on disposal or sale of property and equipment (Details) Sheet http://www.telkom.co.id/role/DisclosurePropertyAndEquipmentGainOnDisposalOrSaleOfPropertyAndEquipmentDetails PROPERTY AND EQUIPMENT - Gain on disposal or sale of property and equipment (Details) Details 109 false false R110.htm 99941203 - Disclosure - PROPERTY AND EQUIPMENT - Cash generating units (Details) Sheet http://www.telkom.co.id/role/DisclosurePropertyAndEquipmentCashGeneratingUnitsDetails PROPERTY AND EQUIPMENT - Cash generating units (Details) Details 110 false false R111.htm 99941204 - Disclosure - PROPERTY AND EQUIPMENT - Equipment units under modernization program (Details) Sheet http://www.telkom.co.id/role/DisclosurePropertyAndEquipmentEquipmentUnitsUnderModernizationProgramDetails PROPERTY AND EQUIPMENT - Equipment units under modernization program (Details) Details 111 false false R112.htm 99941301 - Disclosure - LEASES - Carrying amounts (Details) Sheet http://www.telkom.co.id/role/DisclosureLeasesCarryingAmountsDetails LEASES - Carrying amounts (Details) Details 112 false false R113.htm 99941302 - Disclosure - LEASES - Carrying amounts of the lease liabilities and the movements (Details) Sheet http://www.telkom.co.id/role/DisclosureLeasesCarryingAmountsOfLeaseLiabilitiesAndMovementsDetails LEASES - Carrying amounts of the lease liabilities and the movements (Details) Details 113 false false R114.htm 99941303 - Disclosure - LEASES - Maturity of lease payments (Details) Sheet http://www.telkom.co.id/role/DisclosureLeasesMaturityOfLeasePaymentsDetails LEASES - Maturity of lease payments (Details) Details 114 false false R115.htm 99941304 - Disclosure - LEASES - Amounts recognized in profit or loss (Details) Sheet http://www.telkom.co.id/role/DisclosureLeasesAmountsRecognizedInProfitOrLossDetails LEASES - Amounts recognized in profit or loss (Details) Details 115 false false R116.htm 99941305 - Disclosure - LEASES - Future lease payments and receipts for operating lease agreements (Details) Sheet http://www.telkom.co.id/role/DisclosureLeasesFutureLeasePaymentsAndReceiptsForOperatingLeaseAgreementsDetails LEASES - Future lease payments and receipts for operating lease agreements (Details) Details 116 false false R117.htm 99941401 - Disclosure - OTHER NON-CURRENT ASSETS (Details) Sheet http://www.telkom.co.id/role/DisclosureOtherNonCurrentAssetsDetails OTHER NON-CURRENT ASSETS (Details) Details http://www.telkom.co.id/role/DisclosureOtherNonCurrentAssetsTables 117 false false R118.htm 99941501 - Disclosure - INTANGIBLE ASSETS (Details) Sheet http://www.telkom.co.id/role/DisclosureIntangibleAssetsDetails INTANGIBLE ASSETS (Details) Details http://www.telkom.co.id/role/DisclosureIntangibleAssetsTables 118 false false R119.htm 99941601 - Disclosure - TRADE AND OTHER PAYABLES (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherPayablesDetails TRADE AND OTHER PAYABLES (Details) Details http://www.telkom.co.id/role/DisclosureTradeAndOtherPayablesTables 119 false false R120.htm 99941602 - Disclosure - TRADE AND OTHER PAYABLES - Breakdown of trade payables (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherPayablesBreakdownOfTradePayablesDetails TRADE AND OTHER PAYABLES - Breakdown of trade payables (Details) Details 120 false false R121.htm 99941603 - Disclosure - TRADE AND OTHER PAYABLES - Trade payables by currency (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherPayablesTradePayablesByCurrencyDetails TRADE AND OTHER PAYABLES - Trade payables by currency (Details) Details 121 false false R122.htm 99941604 - Disclosure - TRADE AND OTHER PAYABLES - Outstanding supply chain facilities used by the suppliers (Details) Sheet http://www.telkom.co.id/role/DisclosureTradeAndOtherPayablesOutstandingSupplyChainFacilitiesUsedBySuppliersDetails TRADE AND OTHER PAYABLES - Outstanding supply chain facilities used by the suppliers (Details) Details 122 false false R123.htm 99941701 - Disclosure - ACCRUED EXPENSES (Details) Sheet http://www.telkom.co.id/role/DisclosureAccruedExpensesDetails ACCRUED EXPENSES (Details) Details http://www.telkom.co.id/role/DisclosureAccruedExpensesTables 123 false false R124.htm 99941801 - Disclosure - CONTRACT LIABILITIES (Details) Sheet http://www.telkom.co.id/role/DisclosureContractLiabilitiesDetails CONTRACT LIABILITIES (Details) Details http://www.telkom.co.id/role/DisclosureContractLiabilitiesTables 124 false false R125.htm 99941802 - Disclosure - CONTRACT LIABILITIES - Movements of contract liabilities (Details) Sheet http://www.telkom.co.id/role/DisclosureContractLiabilitiesMovementsOfContractLiabilitiesDetails CONTRACT LIABILITIES - Movements of contract liabilities (Details) Details 125 false false R126.htm 99941901 - Disclosure - SHORT-TERM BANK LOANS - Short-term bank loans (Details) Sheet http://www.telkom.co.id/role/DisclosureShortTermBankLoansShortTermBankLoansDetails SHORT-TERM BANK LOANS - Short-term bank loans (Details) Details 126 false false R127.htm 99941902 - Disclosure - SHORT-TERM BANK LOANS - Other significant information (Details) Sheet http://www.telkom.co.id/role/DisclosureShortTermBankLoansOtherSignificantInformationDetails SHORT-TERM BANK LOANS - Other significant information (Details) Details 127 false false R128.htm 99942001 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Current maturities of long-term loans and other borrowings (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsCurrentMaturitiesOfLongTermLoansAndOtherBorrowingsDetails LONG-TERM LOANS AND OTHER BORROWINGS - Current maturities of long-term loans and other borrowings (Details) Details 128 false false R129.htm 99942002 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsDetails LONG-TERM LOANS AND OTHER BORROWINGS (Details) Details http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsTables 129 false false R130.htm 99942003 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Principal payments (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsPrincipalPaymentsDetails LONG-TERM LOANS AND OTHER BORROWINGS - Principal payments (Details) Details 130 false false R131.htm 99942004 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Two-step loans (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsTwoStepLoansDetails LONG-TERM LOANS AND OTHER BORROWINGS - Two-step loans (Details) Details 131 false false R132.htm 99942005 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Bonds and Medium-term notes ("MTN") (Details) Notes http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsBondsAndMediumTermNotesmtnDetails LONG-TERM LOANS AND OTHER BORROWINGS - Bonds and Medium-term notes ("MTN") (Details) Details 132 false false R133.htm 99942006 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Bonds (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsBondsDetails LONG-TERM LOANS AND OTHER BORROWINGS - Bonds (Details) Details http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsTables 133 false false R134.htm 99942007 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - MTN (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsMtnDetails LONG-TERM LOANS AND OTHER BORROWINGS - MTN (Details) Details http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsTables 134 false false R135.htm 99942008 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Bank loans (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsBankLoansDetails LONG-TERM LOANS AND OTHER BORROWINGS - Bank loans (Details) Details 135 false false R136.htm 99942009 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Other significant information relating to bank loans (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsOtherSignificantInformationRelatingToBankLoansDetails LONG-TERM LOANS AND OTHER BORROWINGS - Other significant information relating to bank loans (Details) Details 136 false false R137.htm 99942010 - Disclosure - LONG-TERM LOANS AND OTHER BORROWINGS - Other borrowings (Details) Sheet http://www.telkom.co.id/role/DisclosureLongTermLoansAndOtherBorrowingsOtherBorrowingsDetails LONG-TERM LOANS AND OTHER BORROWINGS - Other borrowings (Details) Details 137 false false R138.htm 99942101 - Disclosure - NON-CONTROLLING INTERESTS (Details) Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterestsDetails NON-CONTROLLING INTERESTS (Details) Details http://www.telkom.co.id/role/DisclosureNonControllingInterestsTables 138 false false R139.htm 99942102 - Disclosure - NON-CONTROLLING INTERESTS - Material partly-owned subsidiaries (Details) Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterestsMaterialPartlyOwnedSubsidiariesDetails NON-CONTROLLING INTERESTS - Material partly-owned subsidiaries (Details) Details 139 false false R140.htm 99942103 - Disclosure - NON-CONTROLLING INTERESTS - Summarized statements of financial position (Details) Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterestsSummarizedStatementsOfFinancialPositionDetails NON-CONTROLLING INTERESTS - Summarized statements of financial position (Details) Details 140 false false R141.htm 99942104 - Disclosure - NON-CONTROLLING INTERESTS - Summarized statements of profit or loss and other comprehensive income (Details) Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterestsSummarizedStatementsOfProfitOrLossAndOtherComprehensiveIncomeDetails NON-CONTROLLING INTERESTS - Summarized statements of profit or loss and other comprehensive income (Details) Details 141 false false R142.htm 99942105 - Disclosure - NON-CONTROLLING INTERESTS - Summarized statements of cash flows (Details) Sheet http://www.telkom.co.id/role/DisclosureNonControllingInterestsSummarizedStatementsOfCashFlowsDetails NON-CONTROLLING INTERESTS - Summarized statements of cash flows (Details) Details 142 false false R143.htm 99942201 - Disclosure - CAPITAL STOCK (Details) Sheet http://www.telkom.co.id/role/DisclosureCapitalStockDetails CAPITAL STOCK (Details) Details http://www.telkom.co.id/role/DisclosureCapitalStockTables 143 false false R144.htm 99942202 - Disclosure - CAPITAL STOCK - Narrative (Details) Sheet http://www.telkom.co.id/role/DisclosureCapitalStockNarrativeDetails CAPITAL STOCK - Narrative (Details) Details 144 false false R145.htm 99942301 - Disclosure - BASIC EARNINGS PER SHARE (Details) Sheet http://www.telkom.co.id/role/DisclosureBasicEarningsPerShareDetails BASIC EARNINGS PER SHARE (Details) Details http://www.telkom.co.id/role/DisclosureBasicEarningsPerShare 145 false false R146.htm 99942401 - Disclosure - REVENUES (Details) Sheet http://www.telkom.co.id/role/DisclosureRevenuesDetails REVENUES (Details) Details http://www.telkom.co.id/role/DisclosureRevenuesTables 146 false false R147.htm 99942402 - Disclosure - REVENUES - Narrative (Details) Sheet http://www.telkom.co.id/role/DisclosureRevenuesNarrativeDetails REVENUES - Narrative (Details) Details 147 false false R148.htm 99942501 - Disclosure - PERSONNEL EXPENSES (Details) Sheet http://www.telkom.co.id/role/DisclosurePersonnelExpensesDetails PERSONNEL EXPENSES (Details) Details http://www.telkom.co.id/role/DisclosurePersonnelExpensesTables 148 false false R149.htm 99942601 - Disclosure - OPERATION, MAINTENANCE, AND TELECOMMUNICATION SERVICE EXPENSES (Details) Sheet http://www.telkom.co.id/role/DisclosureOperationMaintenanceAndTelecommunicationServiceExpensesDetails OPERATION, MAINTENANCE, AND TELECOMMUNICATION SERVICE EXPENSES (Details) Details http://www.telkom.co.id/role/DisclosureOperationMaintenanceAndTelecommunicationServiceExpensesTables 149 false false R150.htm 99942701 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Details) Sheet http://www.telkom.co.id/role/DisclosureGeneralAndAdministrativeExpensesDetails GENERAL AND ADMINISTRATIVE EXPENSES (Details) Details http://www.telkom.co.id/role/DisclosureGeneralAndAdministrativeExpensesTables 150 false false R151.htm 99942801 - Disclosure - TAXATION - Prepaid income taxes (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationPrepaidIncomeTaxesDetails TAXATION - Prepaid income taxes (Details) Details 151 false false R152.htm 99942802 - Disclosure - TAXATION - Prepaid other taxes (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationPrepaidOtherTaxesDetails TAXATION - Prepaid other taxes (Details) Details 152 false false R153.htm 99942803 - Disclosure - TAXATION - Current income tax liabilities (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationCurrentIncomeTaxLiabilitiesDetails TAXATION - Current income tax liabilities (Details) Details 153 false false R154.htm 99942804 - Disclosure - TAXATION - Other tax liabilities (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationOtherTaxLiabilitiesDetails TAXATION - Other tax liabilities (Details) Details 154 false false R155.htm 99942805 - Disclosure - TAXATION - Components of consolidated income tax expense (benefit) (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationComponentsOfConsolidatedIncomeTaxExpenseBenefitDetails TAXATION - Components of consolidated income tax expense (benefit) (Details) Details 155 false false R156.htm 99942806 - Disclosure - TAXATION - Details of the net income tax expense (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationDetailsOfNetIncomeTaxExpenseDetails TAXATION - Details of the net income tax expense (Details) Details 156 false false R157.htm 99942807 - Disclosure - TAXATION - Reconciliation of income tax expense (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationReconciliationOfIncomeTaxExpenseDetails TAXATION - Reconciliation of income tax expense (Details) Details 157 false false R158.htm 99942808 - Disclosure - TAXATION - Claim for tax refund (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationClaimForTaxRefundDetails TAXATION - Claim for tax refund (Details) Details 158 false false R159.htm 99942809 - Disclosure - TAXATION - Tax assessments (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationTaxAssessmentsDetails TAXATION - Tax assessments (Details) Details 159 false false R160.htm 99942810 - Disclosure - TAXATION - Deferred tax assets and liabilities (Details) Sheet http://www.telkom.co.id/role/DisclosureTaxationDeferredTaxAssetsAndLiabilitiesDetails TAXATION - Deferred tax assets and liabilities (Details) Details 160 false false R161.htm 99942901 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS (Details) Details http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsTables 161 false false R162.htm 99942902 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Schedule of changes in projected pension benefit obligations and plan assets (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsScheduleOfChangesInProjectedPensionBenefitObligationsAndPlanAssetsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Schedule of changes in projected pension benefit obligations and plan assets (Details) Details 162 false false R163.htm 99942903 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Schedule of changes in projected pension benefit obligations and plan assets of pension plan (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsScheduleOfChangesInProjectedPensionBenefitObligationsAndPlanAssetsOfPensionPlanDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Schedule of changes in projected pension benefit obligations and plan assets of pension plan (Details) Details 163 false false R164.htm 99942904 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Pension benefit cost (Plan Assets) (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsPensionBenefitCostPlanAssetsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Pension benefit cost (Plan Assets) (Details) Details 164 false false R165.htm 99942905 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Components of net periodic pension benefit cost (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsComponentsOfNetPeriodicPensionBenefitCostDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Components of net periodic pension benefit cost (Details) Details 165 false false R166.htm 99942906 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Additional pension benefit obligation (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsAdditionalPensionBenefitObligationDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Additional pension benefit obligation (Details) Details 166 false false R167.htm 99942907 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Unfunded Pension (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsUnfundedPensionDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Unfunded Pension (Details) Details 167 false false R168.htm 99942908 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Unfunded Pension - Components of pension benefit cost (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsUnfundedPensionComponentsOfPensionBenefitCostDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Unfunded Pension - Components of pension benefit cost (Details) Details 168 false false R169.htm 99942909 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Telkomsel (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsTelkomselDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Telkomsel (Details) Details 169 false false R170.htm 99942910 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Telkomsel - Components (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsTelkomselComponentsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Telkomsel - Components (Details) Details 170 false false R171.htm 99942911 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Post-employment health care benefit cost - Plan Assets (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsPostEmploymentHealthCareBenefitCostPlanAssetsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Post-employment health care benefit cost - Plan Assets (Details) Details 171 false false R172.htm 99942912 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Post-employment health care benefit cost - Actuarial Assumptions (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsPostEmploymentHealthCareBenefitCostActuarialAssumptionsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Post-employment health care benefit cost - Actuarial Assumptions (Details) Details 172 false false R173.htm 99942913 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Other post-employment benefits cost - Components (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsOtherPostEmploymentBenefitsCostComponentsDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Other post-employment benefits cost - Components (Details) Details 173 false false R174.htm 99942914 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Long service employee benefit (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsLongServiceEmployeeBenefitDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Long service employee benefit (Details) Details 174 false false R175.htm 99942915 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Obligation under the Labor Law (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsObligationUnderLaborLawDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Obligation under the Labor Law (Details) Details 175 false false R176.htm 99942916 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Maturity (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsMaturityDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Maturity (Details) Details 176 false false R177.htm 99942917 - Disclosure - PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Sensitivity Analysis (Details) Sheet http://www.telkom.co.id/role/DisclosurePensionAndOtherPostEmploymentBenefitsSensitivityAnalysisDetails PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Sensitivity Analysis (Details) Details 177 false false R178.htm 99943001 - Disclosure - LONG SERVICE AWARDS ("LSA") PROVISIONS (Details) Sheet http://www.telkom.co.id/role/DisclosureLongServiceAwardslsaProvisionsDetails LONG SERVICE AWARDS ("LSA") PROVISIONS (Details) Details http://www.telkom.co.id/role/DisclosureLongServiceAwardslsaProvisions 178 false false R179.htm 99943101 - Disclosure - RELATED PARTY TRANSACTIONS (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsDetails RELATED PARTY TRANSACTIONS (Details) Details http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsTables 179 false false R180.htm 99943102 - Disclosure - RELATED PARTY TRANSACTIONS - Revenues (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsRevenuesDetails RELATED PARTY TRANSACTIONS - Revenues (Details) Details 180 false false R181.htm 99943103 - Disclosure - RELATED PARTY TRANSACTIONS - Expenses (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsExpensesDetails RELATED PARTY TRANSACTIONS - Expenses (Details) Details 181 false false R182.htm 99943104 - Disclosure - RELATED PARTY TRANSACTIONS - Finance Income (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsFinanceIncomeDetails RELATED PARTY TRANSACTIONS - Finance Income (Details) Details 182 false false R183.htm 99943105 - Disclosure - RELATED PARTY TRANSACTIONS - Finance cost (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsFinanceCostDetails RELATED PARTY TRANSACTIONS - Finance cost (Details) Details 183 false false R184.htm 99943106 - Disclosure - RELATED PARTY TRANSACTIONS - Distribution of SIM card and voucher (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsDistributionOfSimCardAndVoucherDetails RELATED PARTY TRANSACTIONS - Distribution of SIM card and voucher (Details) Details 184 false false R185.htm 99943107 - Disclosure - RELATED PARTY TRANSACTIONS - Purchase of Property and Equipment (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsPurchaseOfPropertyAndEquipmentDetails RELATED PARTY TRANSACTIONS - Purchase of Property and Equipment (Details) Details 185 false false R186.htm 99943108 - Disclosure - RELATED PARTY TRANSACTIONS - Assets with Related Parties (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsAssetsWithRelatedPartiesDetails RELATED PARTY TRANSACTIONS - Assets with Related Parties (Details) Details 186 false false R187.htm 99943109 - Disclosure - RELATED PARTY TRANSACTIONS - Trade Payables (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsTradePayablesDetails RELATED PARTY TRANSACTIONS - Trade Payables (Details) Details 187 false false R188.htm 99943110 - Disclosure - RELATED PARTY TRANSACTIONS - Liabilities with Related Parties (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsLiabilitiesWithRelatedPartiesDetails RELATED PARTY TRANSACTIONS - Liabilities with Related Parties (Details) Details 188 false false R189.htm 99943111 - Disclosure - RELATED PARTY TRANSACTIONS - Remuneration (Details) Sheet http://www.telkom.co.id/role/DisclosureRelatedPartyTransactionsRemunerationDetails RELATED PARTY TRANSACTIONS - Remuneration (Details) Details 189 false false R190.htm 99943201 - Disclosure - OPERATING SEGMENTS (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsDetails OPERATING SEGMENTS (Details) Details http://www.telkom.co.id/role/DisclosureOperatingSegmentsTables 190 false false R191.htm 99943202 - Disclosure - OPERATING SEGMENTS - Revenue Reconciliation (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsRevenueReconciliationDetails OPERATING SEGMENTS - Revenue Reconciliation (Details) Details 191 false false R192.htm 99943203 - Disclosure - OPERATING SEGMENTS - Segment result reconciliation (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsSegmentResultReconciliationDetails OPERATING SEGMENTS - Segment result reconciliation (Details) Details 192 false false R193.htm 99943204 - Disclosure - OPERATING SEGMENTS - Capital expenditure reconciliation (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsCapitalExpenditureReconciliationDetails OPERATING SEGMENTS - Capital expenditure reconciliation (Details) Details 193 false false R194.htm 99943205 - Disclosure - OPERATING SEGMENTS - Depreciation and Amortization Expense (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsDepreciationAndAmortizationExpenseDetails OPERATING SEGMENTS - Depreciation and Amortization Expense (Details) Details 194 false false R195.htm 99943206 - Disclosure - OPERATING SEGMENTS - Provision recognized in current year reconciliation (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsProvisionRecognizedInCurrentYearReconciliationDetails OPERATING SEGMENTS - Provision recognized in current year reconciliation (Details) Details 195 false false R196.htm 99943207 - Disclosure - OPERATING SEGMENTS - Geographic Information (Details) Sheet http://www.telkom.co.id/role/DisclosureOperatingSegmentsGeographicInformationDetails OPERATING SEGMENTS - Geographic Information (Details) Details 196 false false R197.htm 99943301 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Capital expenditures (Details) Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthersCapitalExpendituresDetails SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Capital expenditures (Details) Details 197 false false R198.htm 99943302 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Borrowings and other credit facilities (Details) Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthersBorrowingsAndOtherCreditFacilitiesDetails SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Borrowings and other credit facilities (Details) Details 198 false false R199.htm 99943303 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Radio Frequency Usage (Details) Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthersRadioFrequencyUsageDetails SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Radio Frequency Usage (Details) Details 199 false false R200.htm 99943305 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Sale and Purchase Agreement (DetailS) Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthersSaleAndPurchaseAgreementDetails SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Sale and Purchase Agreement (DetailS) Details 200 false false R201.htm 99943306 - Disclosure - SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Service concession arrangement (Details) Sheet http://www.telkom.co.id/role/DisclosureSignificantCommitmentsAgreementsAndOthersServiceConcessionArrangementDetails SIGNIFICANT COMMITMENTS, AGREEMENTS AND OTHERS - Service concession arrangement (Details) Details 201 false false R202.htm 99943401 - Disclosure - FINANCIAL INSTRUMENTS - Financial assets (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsFinancialAssetsDetails FINANCIAL INSTRUMENTS - Financial assets (Details) Details 202 false false R203.htm 99943402 - Disclosure - FINANCIAL INSTRUMENTS - Financial liabilities (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsFinancialLiabilitiesDetails FINANCIAL INSTRUMENTS - Financial liabilities (Details) Details 203 false false R204.htm 99943403 - Disclosure - FINANCIAL INSTRUMENTS - Fair values (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsFairValuesDetails FINANCIAL INSTRUMENTS - Fair values (Details) Details 204 false false R205.htm 99943404 - Disclosure - FINANCIAL INSTRUMENTS - Reconciliation (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsReconciliationDetails FINANCIAL INSTRUMENTS - Reconciliation (Details) Details 205 false false R206.htm 99943405 - Disclosure - FINANCIAL INSTRUMENTS - Sensitivity Analysis (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsSensitivityAnalysisDetails FINANCIAL INSTRUMENTS - Sensitivity Analysis (Details) Details 206 false false R207.htm 99943406 - Disclosure - FINANCIAL INSTRUMENTS - Financial assets and financial liabilities exposure to foreign currency risk (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsFinancialAssetsAndFinancialLiabilitiesExposureToForeignCurrencyRiskDetails FINANCIAL INSTRUMENTS - Financial assets and financial liabilities exposure to foreign currency risk (Details) Details 207 false false R208.htm 99943407 - Disclosure - FINANCIAL INSTRUMENTS - Sensitivity analysis (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsSensitivityAnalysisDetailss FINANCIAL INSTRUMENTS - Sensitivity analysis (Details) Details 208 false false R209.htm 99943408 - Disclosure - FINANCIAL INSTRUMENTS - Interest rate risk (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsInterestRateRiskDetails FINANCIAL INSTRUMENTS - Interest rate risk (Details) Details 209 false false R210.htm 99943409 - Disclosure - FINANCIAL INSTRUMENTS - Credit risk (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsCreditRiskDetails FINANCIAL INSTRUMENTS - Credit risk (Details) Details 210 false false R211.htm 99943410 - Disclosure - FINANCIAL INSTRUMENTS - Liquidity risk (Details) Sheet http://www.telkom.co.id/role/DisclosureFinancialInstrumentsLiquidityRiskDetails FINANCIAL INSTRUMENTS - Liquidity risk (Details) Details 211 false false R212.htm 99943501 - Disclosure - CAPITAL MANAGEMENT - Capital structure (Details) Sheet http://www.telkom.co.id/role/DisclosureCapitalManagementCapitalStructureDetails CAPITAL MANAGEMENT - Capital structure (Details) Details 212 false false R213.htm 99943502 - Disclosure - CAPITAL MANAGEMENT - Debt to equity ratio (Details) Sheet http://www.telkom.co.id/role/DisclosureCapitalManagementDebtToEquityRatioDetails CAPITAL MANAGEMENT - Debt to equity ratio (Details) Details 213 false false R214.htm 99943601 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - Summary of non-cash investing activities (Details) Sheet http://www.telkom.co.id/role/DisclosureSupplementalCashFlowInformationSummaryOfNonCashInvestingActivitiesDetails SUPPLEMENTAL CASH FLOW INFORMATION - Summary of non-cash investing activities (Details) Details 214 false false R215.htm 99943602 - Disclosure - SUPPLEMENTAL CASH FLOW INFORMATION - Changes in liabilities (Details) Sheet http://www.telkom.co.id/role/DisclosureSupplementalCashFlowInformationChangesInLiabilitiesDetails SUPPLEMENTAL CASH FLOW INFORMATION - Changes in liabilities (Details) Details 215 false false R216.htm 99943701 - Disclosure - SUBSEQUENT EVENTS (Details) Sheet http://www.telkom.co.id/role/DisclosureSubsequentEventsDetails SUBSEQUENT EVENTS (Details) Details http://www.telkom.co.id/role/DisclosureSubsequentEvents 216 false false All Reports Book All Reports tmb-20241231.xsd tmb-20241231_cal.xml tmb-20241231_def.xml tmb-20241231_lab.xml tmb-20241231_pre.xml tmb-20241231x20f.htm tmb-20241231x20f005.jpg tmb-20241231x20f006.jpg tmb-20241231x20f007.jpg http://fasb.org/srt/2024 http://xbrl.sec.gov/cyd/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 https://xbrl.ifrs.org/taxonomy/2024-03-27/ifrs-full true true