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OTHER CURRENT FINANCIAL ASSETS - Schedule of interest rates on maturities of time deposits (Details) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Rupiah |  |
OTHER CURRENT FINANCIAL ASSETS |  |
Interest rate of time deposits with maturities greater than three months | 5.00% |
Minimum | Rupiah |  |
OTHER CURRENT FINANCIAL ASSETS |  |
Interest rate of time deposits with maturities greater than three months |  | 6.00%
Minimum | Foreign currency |  |
OTHER CURRENT FINANCIAL ASSETS |  |
Interest rate of time deposits with maturities greater than three months | 1.35% | 1.38%
Maximum | Rupiah |  |
OTHER CURRENT FINANCIAL ASSETS |  |
Interest rate of time deposits with maturities greater than three months |  | 7.00%
Maximum | Foreign currency |  |
OTHER CURRENT FINANCIAL ASSETS |  |
Interest rate of time deposits with maturities greater than three months | 2.18% | 1.64%

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- Definition The interest rate on time deposits that have maturities of more than three months but not more than one year, and are not classified as cash equivalents. + References No definition available. + Details
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