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SIGNIFICANT COMMITMENTS AND AGREEMENTS - Schedule of service concession arrangement (Details) - IDR (Rp) Rp in Billions | Jun. 22, 2017 | Sep. 26, 2016 | Sep. 22, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 27, 2011 | Dec. 23, 2010 | Mar. 12, 2010
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Service concession arrangement |  |  |  |  |  |  |  |
Percentage of gross revenue to be contributed for united service organization development |  | 1.25% |  |  |  |  |  |
Trade Receivable for United Service Organization Program |  |  |  | Rp 115 | Rp 178 |  |  |
Telkomsel |  |  |  |  |  |  |  |
Service concession arrangement |  |  |  |  |  |  |  |
Compensation receivable | Rp 217 |  |  |  |  |  |  |
Compensation received | Rp 83 |  |  |  |  |  |  |
Internet access service concession arrangements |  |  |  |  |  |  |  |
Service concession arrangement |  |  |  |  |  |  |  |
Service concession arrangements amount |  |  |  |  |  |  | Rp 528 | Rp 322
All packages 1 to 13 service concession arrangement | Telkomsel |  |  |  |  |  |  |  |
Service concession arrangement |  |  |  |  |  |  |  |
Service concession arrangements amount |  |  |  |  |  | Rp 830 |  |
Desa pinter service concession arrangement | Telkomsel |  |  |  |  |  |  |  |
Service concession arrangement |  |  |  |  |  |  |  |
Service concession arrangements amount |  |  |  |  |  | Rp 261 |  |
Legal proceeding contingent liabilities USO PLIK | Internet access service concession arrangements |  |  |  |  |  |  |  |
Service concession arrangement |  |  |  |  |  |  |  |
Litigation settlement awarded from other party |  |  | Rp 127 |  |  |  |  |
Legal proceeding contingent liabilities USO MPLIK | Internet access service concession arrangements |  |  |  |  |  |  |  |
Service concession arrangement |  |  |  |  |  |  |  |
Litigation settlement awarded from other party |  |  | Rp 342 |  |  |  |  |

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