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Borrowings and Debt Securities : Short-term borrowings (Details) ₱ in Thousands, $ in Thousands, ₩ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 KRW (₩) | Dec. 31, 2018 KRW (₩) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 PHP (₱) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 PHP (₱)
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Short-term borrowings | ₩ 1,098,555 | ₩ 860,602 |  |  |  |
Local short-term borrowings |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor |  | KTB Investment and securities and others |  |  |  |
Borrowings interest rate |  | 2.05~2.51 |  |  |  |
Borrowings, maturity |  | 2019.01.04~ 2019.02.20 |  |  |  |
Short-term borrowings |  | ₩ 674,000 |  |  |  |
Local short-term borrowings |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor | DB financial investment and others |  |  |  |  |
Borrowings interest rate | 2.00~2.20 |  |  |  |  |
Borrowings, maturity | 2020.01.13~ 2020.02.05 |  |  |  |  |
Short-term borrowings | ₩ 280,000 |  |  |  |  |
Foreign short-term borrowings |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor |  | SCNT and others |  |  |  |
Borrowings interest rate |  | 4.60~6.50 |  |  |  |
Borrowings, maturity |  | 2019.12.03 |  |  |  |
Short-term borrowings |  | ₩ 10,013 |  |  | $ 8,955 |
Foreign short-term borrowings |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor | BDO Unibank | BDO Unibank |  |  |  |
Borrowings interest rate | 3.92 | 6.59 |  |  |  |
Borrowings, maturity | 2020.12.20 | 2020.12.17 (*) The contractual maturity is 2020 but is classified as short-term borrowing due to intention of early payment in 3 months after borrowing. |  |  |  |
Short-term borrowings | ₩ 5,130 | ₩ 9,581 |  | ₱ 225,000 |  | ₱ 450,000
Foreign short-term borrowings |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor | LG-CNS |  |  |  |  |
Borrowings interest rate | 4.6 |  |  |  |  |
Borrowings, maturity | 2020.06.30 |  |  |  |  |
Short-term borrowings | ₩ 27,439 |  | $ 23,699 |  |  |
Foreign short-term borrowings |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor | Mizuho Bank |  |  |  |  |
Borrowings interest rate | 4.6 |  |  |  |  |
Borrowings, maturity | 2020.06.30 |  |  |  |  |
Short-term borrowings | ₩ 12,767 |  | $ 11,027 |  |  |
Local bank overdraft |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor |  | Nonghyup Bank |  |  |  |
Borrowings interest rate |  | 2.59~3.09 |  |  |  |
Borrowings, maturity |  | 2019.01.10~ 2019.12.31 |  |  |  |
Short-term borrowings |  | ₩ 142,773 |  |  |  |
Local bank overdraft |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor |  | Woori Bank |  |  |  |
Borrowings interest rate |  | Standard overdraft rate+1.09 |  |  |  |
Borrowings, maturity |  | 2019.02.26 |  |  |  |
Short-term borrowings |  | ₩ 24,235 |  |  |  |
Local bank overdraft |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor | Korea development Bank and others |  |  |  |  |
Borrowings interest rate | 1.98~2.75 |  |  |  |  |
Borrowings, maturity | 2020.01.01 ~2020.04.16 |  |  |  |  |
Short-term borrowings | ₩ 373,219 |  |  |  |  |
Electronic short-term bonds |  |  |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |  |  |
Name of Creditor | Mirae asset daewoo and others |  |  |  |  |
Borrowings interest rate | 1.72~2.20 |  |  |  |  |
Borrowings, maturity | 2020.01.10 ~2020.02.05 |  |  |  |  |
Short-term borrowings | ₩ 400,000 |  |  |  |  |

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