OTHER RESERVES - (Details) - IDR (Rp) Rp in Billions	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
OTHER RESERVES.
Foreign currency operations	Rp 430	Rp 296
Reclassifications to profit or loss for operations	Rp 0	Rp 0	Rp 0

The amount of reclassification adjustments related to exchange differences when the financial statements of foreign operations are translated, net of tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Other comprehensive income]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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