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v3.20.1

OTHER NON-CURRENT ASSETS - Lease agreement and deferred charges (Details) - IDR (Rp) Rp in Billions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
OTHER NON-CURRENT ASSETS |  |  |
Total amortization of deferred charges | Rp 60 | Rp 56 | Rp 46

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- Definition n/a + References No definition available. + Details
Name: | tlk_AdvancesAndOtherNonCurrentAssetsAbstract
Namespace Prefix: | tlk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of amortization of deferred charges applied against earnings during the period. + References No definition available. + Details
Name: | tlk_IfrsAmortizationOfDeferredCharges
Namespace Prefix: | tlk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration