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OPERATION, MAINTENANCE AND TELECOMMUNICATION SERVICE EXPENSES (Details) $ in Millions, Rp in Billions | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) | Dec. 31, 2017 IDR (Rp) | Dec. 31, 2016 IDR (Rp) | Dec. 31, 2015 IDR (Rp)
OPERATION, MAINTENANCE AND TELECOMMUNICATION SERVICE EXPENSES |  |  |  |
Operation and maintenance |  | Rp 19,929 | Rp 17,047 | Rp 15,129
Radio frequency usage charges (Note 33c.i) |  | 4,276 | 3,687 | 3,626
Cost of IT services |  | 2,648 | 1,563 | 882
Leased lines and CPE |  | 2,607 | 2,578 | 1,913
Concession fees and USO charges |  | 2,249 | 2,217 | 2,230
Cost of sales of handset (Note 7) |  | 1,544 | 1,481 | 1,493
Electricity, gas and water |  | 1,037 | 960 | 1,014
Cost of SIM cards and vouchers (Note 7) |  | 914 | 624 | 444
Tower leases |  | 472 | 322 | 646
Vehicles rental and supporting facilities |  | 301 | 367 | 296
Insurance |  | 294 | 256 | 312
Other |  | 332 | 161 | 131
Total | $ 2,698 | Rp 36,603 | Rp 31,263 | Rp 28,116

X
- Definition The amount of expense arising from purchased insurance. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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Balance Type: | debit
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X
- Definition The amount of expense arising from transportation services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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X
- Definition The amount of expense arising from concession fees and USO charges. + References No definition available. + Details
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X
- Definition The amount of cost arising from the rendering of consulting services relating to information technology. + References No definition available. + Details
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Namespace Prefix: | tlk_
Data Type: | xbrli:monetaryItemType
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X
- Definition The amount of expense arising from cost of handset sold. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition The amount of expense arising from cost of SIM cards and vouchers. + References No definition available. + Details
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Namespace Prefix: | tlk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense arising from utilizing electricity, gas and water. + References No definition available. + Details
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Balance Type: | debit
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X
- Definition The amount of expense arising from leased lines and customer premises equipment. + References No definition available. + Details
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Namespace Prefix: | tlk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition The amount of miscellaneous other expenses. + References No definition available. + Details
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- Definition The amount of expense arising from operation and maintenance. + References No definition available. + Details
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- Definition The amount of expense relating to the Operation, maintenance and telecommunication service expenses. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The amount of expense arising from radio frequency usage charges. + References No definition available. + Details
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X
- Definition The amount of expense arising from tower leases. + References No definition available. + Details
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