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LSA PROVISIONS (Details) $ in Millions, Rp in Billions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 IDR (Rp) | Dec. 31, 2018 IDR (Rp) | Dec. 31, 2017 IDR (Rp) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 IDR (Rp)
LSA PROVISIONS |  |  |  |  |
Long service award provisions |  | Rp 852 |  | $ 77 | Rp 1,066
Long service award expense | Rp 290 | Rp 161 | Rp 255 |  |

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- Definition NA + References No definition available. + Details
Name: | tlk_DisclosureOfLongServiceAwardProvisionsAbstract
Namespace Prefix: | tlk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of expenses relating to long service awards. + References No definition available. + Details
Name: | tlk_LongServiceAwardExpense
Namespace Prefix: | tlk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of non-current provisions for long service awards. + References No definition available. + Details
Name: | tlk_NoncurrentLongServiceAwardProvisions
Namespace Prefix: | tlk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant