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LONG-TERM INVESTMENTS - Statements of financial position - Other Information (Details) Rp / shares in Units, $ in Millions, Rp in Billions |  |  |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 19, 2019 IDR (Rp) | Jan. 21, 2019 IDR (Rp) shares | Sep. 18, 2014 IDR (Rp) | Apr. 29, 2014 IDR (Rp) | Dec. 31, 2019 USD ($) shares | Dec. 31, 2019 IDR (Rp) | Dec. 31, 2018 IDR (Rp) Rp / shares | Dec. 31, 2019 IDR (Rp) Rp / shares shares | Feb. 22, 2019 shares | Dec. 31, 2017 IDR (Rp) | Dec. 31, 2013
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  | $ 16,931 |  | Rp 205,900 | Rp 235,057 |  |  |
Liabilities |  |  |  |  | $ (8,488) |  | Rp (88,894) | (117,833) |  |  |
Proportionate share of net assets percentage |  |  |  |  | 24.00% | 24.00% | 24.00% |  |  |  |
Impairment of long term investment in associated companies |  |  |  |  | $ (84) | Rp (1,172) |  |  |  |  |
Carrying amount of long-term investment |  |  |  |  |  |  | Rp 1,953 | Rp 1,210 |  | Rp 1,839 |
Shares acquired | shares |  |  |  |  | 2,499 |  |  | 2,499 |  |  |
Percentage of ownership interest sold | 67.00% |  |  |  |  |  |  |  |  |  |
Increase of issued and fully paid capital | Rp 395 |  |  |  |  |  |  |  |  |  |
Indonusa |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  | 15.67% | 15.67% |  |  |  |  |
Indonusa |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Increase of issued and fully paid capital |  |  |  | Rp 80 |  |  |  |  |  |  |
Metra | Indonusa |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  | 4.33% | 4.33% |  |  |  |  |
Tiphone |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  | 24.00% | 24.00% | 24.00% |  |  |  |
Purchase of interest in associates |  |  | Rp 1,395 |  |  |  |  |  |  |  |
Fair value of the investment |  |  |  |  |  |  | Rp 1,649 | Rp 526 |  |  |
Price per share | Rp / shares |  |  |  |  |  |  | Rp 940 | Rp 300 |  |  |
Assets |  |  |  |  |  |  | Rp 8,507 | Rp 8,943 |  |  |
Liabilities |  |  |  |  |  |  | (4,528) | (4,565) |  |  |
Equity (deficit) |  |  |  |  |  |  | 3,979 | 4,378 |  |  |
Group's proportionate share of net assets (24.00% in 2018 and 2019) |  |  |  |  |  |  | 955 | 1,051 |  |  |
Goodwill |  |  |  |  |  |  | 647 | 647 |  |  |
Impairment of long term investment in associated companies |  |  |  |  |  | Rp (1,172) |  |  |  |  |
Carrying amount of long-term investment |  |  |  |  |  |  | Rp 1,602 | 526 |  | 1,539 |
Purchase of interests in investments accounted for using equity method |  |  | Rp 1,395 |  |  |  |  |  |  |  |
Percentage of ownership interest acquired |  |  | 25.00% |  |  |  |  |  |  |  |
Indonusa |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  | 20.00% | 20.00% | 20.00% |  |  |  |
Equity (deficit) |  |  |  |  |  |  | Rp (110) | (64) |  |  |
Carrying amount of long-term investment |  |  |  |  |  |  | Rp 210 | 210 |  | 221 |
Percentage of ownership interest sold |  |  |  |  |  |  |  |  |  |  | 80.00%
Teltranet |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  |  |  |  | 51.00% | 51.00% | 51.00% |  |  |  |
Equity (deficit) |  |  |  |  |  |  | Rp (22) | (57) |  |  |
Carrying amount of long-term investment |  |  |  |  |  |  | 0 | 11 |  | Rp 18 |
Others |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Equity (deficit) |  |  |  |  |  |  | (1,703) | (1,548) |  |  |
Carrying amount of long-term investment |  |  |  |  |  |  | Rp 83 | 75 |  |  |
Cumulative unrecognized share of losses |  |  |  |  |  |  |  | Rp 480 |  |  |
Finarya |  |  |  |  |  |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership |  | 100.00% |  |  | 26.58% | 26.58% |  |  |  |  |
Purchase of interest in associates |  | Rp 150 |  |  |  |  |  |  |  |  |
Initial investment |  | 25 |  |  |  |  |  |  |  |  |
Purchase of interests in investments accounted for using equity method |  | Rp 150 |  |  |  |  |  |  |  |  |
Shares acquired | shares |  | 2,499 |  |  |  |  |  |  | 14,974 |  |
Number of shares in entity held by entity or by its subsidiaries or associates | shares |  |  |  |  | 48,530 |  |  | 48,530 |  |  |

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