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CAPITAL MANAGEMENT - Debt to equity ratio (Details) $ in Millions, Rp in Billions | Dec. 31, 2019 USD ($) | Dec. 31, 2019 IDR (Rp) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 IDR (Rp) | Dec. 31, 2017 IDR (Rp) | Dec. 31, 2016 IDR (Rp)
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CAPITAL MANAGEMENT |  |  |  |  |  |
Total interest bearing debts |  | Rp 66,957 |  | Rp 44,082 |  |
Less cash and cash equivalents | $ (1,314) | (18,241) | $ (1,256) | (17,435) | Rp (25,145) | Rp (29,767)
Net debt |  | 48,716 |  | 26,647 |  |
Total equity attributable to owners of the parent company |  | Rp 99,796 |  | Rp 98,739 |  |
Net debt-to-equity ratio (as a percent) | 48.82% | 48.82% | 26.99% | 26.99% |  |

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