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ADDITIONAL PAID-IN CAPITAL (Details) $ in Millions, Rp in Billions |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 27, 2018 shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 IDR (Rp) shares | Dec. 31, 2018 IDR (Rp) shares | Apr. 26, 2018 shares
Disclosure of classes of share capital [line items] |  |  |  |  |
Reduction additional paid in capital as a result of cancellation treasury stock (Note 23) |  |  |  | Rp (2,454) |
Differences from acquisition of non-controlling interest |  |  |  | (22) |
Additional paid-in capital |  | $ 137 | Rp 4,453 | 1,977 |
Number of shares issued | shares | 99,062,216,600 |  | 100,799,996,400 |  | 100,799,996,400
Sale of treasury stock, Shares | shares | 1,737,779,800 | 1,737,779,800 |  |  |
Initial public offering |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Additional paid-in capital gross |  |  | Rp 1,446 | Rp 1,446 |
Number of shares issued | shares |  | 933,333,000 | 933,333,000 | 933,333,000 |
Treasury stock plan phase I |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Additional paid-in capital gross |  |  | Rp 544 | Rp 544 |
Number of shares issued | shares |  | 211,290,500 | 211,290,500 | 211,290,500 |
Treasury stock plan phase II |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Additional paid-in capital gross |  |  | Rp 576 | Rp 576 |
Sale of treasury stock, Shares | shares |  | 215,000,000 | 215,000,000 |  |
Employee stock ownership program |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Additional paid-in capital gross |  |  | Rp 228 | 228 |
Treasury stock plan phase III |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Additional paid-in capital gross |  |  | Rp 36 | 36 |
Sale of treasury stock, Shares | shares |  | 22,363,000 | 22,363,000 |  |
Treasury stock plan phase IV |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Additional paid-in capital gross |  |  | Rp 1,996 | 1,996 |
Sale of treasury stock, Shares | shares |  | 864,000,000 | 864,000,000 |  |
Series B shares |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Capitalized into 746,666,640 Series B shares in 1999 |  |  | Rp (373) | Rp (373) |
Sale of treasury stock, Shares | shares |  | 746,666,640 | 746,666,640 |  |

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