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TAXATION - Details of the net income tax expense (Details) $ in Millions, Rp in Billions |  | 12 Months Ended
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Dec. 31, 2018 IDR (Rp) | Dec. 31, 2018 USD ($) item | Dec. 31, 2018 IDR (Rp) item | Dec. 31, 2017 IDR (Rp) | Dec. 31, 2016 IDR (Rp)
TAXATION |  |  |  |  |
Estimated taxable income (loss) of the Company |  |  | Rp 400 | Rp (861) | Rp 1,703
Total income tax expense – current |  | $ 656 | 9,432 | 11,357 | 10,738
Net income tax benefit - deferred |  | (4) | (66) | (1,399) | (1,721)
Net Income Tax Expense | Rp 9,366 | $ 652 | 9,366 | 9,958 | 9,017
The company |  |  |  |  |
TAXATION |  |  |  |  |
Corporate income tax |  |  | 80 |  | 340
Current corporate income tax expense: |  |  | 99 |  |
Final tax expense |  |  | 57 | 586 | 331
Total income tax expense – current |  |  | 236 | 586 | 671
Net income tax benefit - deferred |  |  | Rp (159) | Rp (1,608) | Rp (844)
Change in tax rate |  | (5.00%) | (5.00%) | (5.00%) | (5.00%)
Threshold percentage of interest owned by public |  | 40.00% | 40.00% |  |
Threshold number of persons owned shares | item |  | 300 | 300 |  |
Threshold percentage owned by each member |  | 5.00% | 5.00% |  |
Threshold period to meet prescribed criteria |  | 183 days | 183 days |  |
Applicable tax rate |  | 20.00% | 20.00% | 20.00% | 20.00%
The company | Tax loss utilization (recognition) |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | Rp 172 | Rp (172) |
The company | Net periodic pension and other post-employment benefits costs and provision for employee benefits |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | 5 | (235) | Rp (214)
The company | Finance leases |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | 2 | 0 | 68
The company | Valuation of long-term investments |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  |  |  | (34)
The company | Depreciation and gain on disposal or sale of property and equipment |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (180) | (1,012) | (825)
The company | Trade receivables write-off (provision for impairment of receivables) |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (132) | (206) | 41
The company | Realization of accrual (accrual) of expenses and inventory write-off (provision for inventory obsolescence) |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (36) | 26 | 142
The company | Amortization of (addition to) deferred installation fee |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (18) | 1 | (10)
The company | Amortization of intangible assets, land rights and others |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (10) | (10) | (12)
Subsidiaries |  |  |  |  |
TAXATION |  |  |  |  |
Corporate income tax |  |  | 9,193 | 10,766 | 10,053
Final tax expense |  |  | 3 | 5 | 14
Total income tax expense – current |  |  | 9,196 | 10,771 | 10,067
Net income tax benefit - deferred |  |  | Rp 93 | Rp 209 | Rp (877)
Applicable tax rate |  | 25.00% | 25.00% | 25.00% | 25.00%
Telkomsel |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | Rp 121 | Rp 25 | Rp (813)
Telkomsel | Cost to obtain contracts |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | 38 |  |
Telkomsel | Finance leases |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | 170 | 177 | 164
Telkomsel | Depreciation and gain on disposal or sale of property and equipment |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | 64 | (55) | (913)
Telkomsel | Trade receivables write-off (provision for impairment of receivables) |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (88) | (41) | (5)
Telkomsel | Amortization of (addition to) license |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | 58 | 12 | (4)
Telkomsel | Provision for employee benefits |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | (83) | (68) | (55)
Subsidiaries - others |  |  |  |  |
TAXATION |  |  |  |  |
Net income tax benefit - deferred |  |  | Rp (28) | Rp 184 | Rp (64)

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