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Borrowings and Debt Securities : Long-term borrowings (Details) ₨ in Thousands, ¥ in Thousands, JD in Thousands, $ in Thousands, ₩ in Millions | 12 Months Ended |  |
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Dec. 31, 2020 KRW (₩) | Dec. 31, 2019 KRW (₩) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 JOD (JD) | Dec. 31, 2020 JPY (¥) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 JOD (JD) | Dec. 31, 2019 JPY (¥) | Dec. 31, 2019 PKR (₨)
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Borrowings | ₩ 3,696,880 | ₩ 3,628,631 |  |  |  |  |  |  |
Less : Discount on long-term borrowings | (16,622) | (22,309) |  |  |  |  |  |  |
Less : Current portion of long-term borrowings | (677,982) | (217,579) |  |  |  |  |  |  |
Add : Current portion of discount on long-term borrowings | 1,723 | 1,000 |  |  |  |  |  |  |
Long-term borrowings | 3,003,999 | 3,389,743 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Borrowings | ₩ 2,485,062 | ₩ 2,283,166 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |
Borrowings interest rate | 0.50 | 0.50 |  |  |  |  |  |  |
Borrowings, maturity | 2021~2044 | 2020~2044 |  |  |  |  |  |  |
Borrowings | ₩ 2,946 | ₩ 3,500 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |
Borrowings interest rate | 2.50~4.60 | 2.50~4.60 |  |  |  |  |  |  |
Borrowings, maturity | 2021~2028 | 2023~2028 |  |  |  |  |  |  |
Borrowings | ₩ 50,293 | ₩ 59,845 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |
Purpose of borrowings | Operating funds | Operating funds |  |  |  |  |  |  |
Borrowings interest rate | 2.33 | 2.33~3.04 |  |  |  |  |  |  |
Borrowings, maturity | 2022 | 2020~2022 |  |  |  |  |  |  |
Borrowings | ₩ 20,000 | ₩ 55,000 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Development Bank | Korea Development Bank |  |  |  |  |  |  |
Purpose of borrowings | Operating funds | Operating funds |  |  |  |  |  |  |
Borrowings interest rate | 1yr KoFC bond rate + 0.81~0.95 | 1yr KoFC bond rate+0.95 |  |  |  |  |  |  |
Borrowings, maturity | 2022~2023 | 2020~2022 |  |  |  |  |  |  |
Borrowings | ₩ 24,300 | ₩ 24,000 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Hana Bank | Hana Bank |  |  |  |  |  |  |
Purpose of borrowings | Commercial Paper | Commercial Paper |  |  |  |  |  |  |
Borrowings interest rate | 3M CD+0.13~0.32 | 3M CD+0.13~0.32 |  |  |  |  |  |  |
Borrowings, maturity | 2021~2024 | 2021~2024 |  |  |  |  |  |  |
Borrowings | ₩ 1,150,000 | ₩ 1,150,000 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Hana Bank | Hana Bank |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |
Borrowings interest rate | 4.60 | 4.60 |  |  |  |  |  |  |
Borrowings, maturity | 2028 | 2028 |  |  |  |  |  |  |
Borrowings | ₩ 11,088 | ₩ 12,466 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Hana Bank | Hana Bank |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |
Borrowings interest rate | 3yr KTB rate-1.25 Standard overdraft rate+1.50~2.45 | 3yr KTB rate-1.25 |  |  |  |  |  |  |
Borrowings, maturity | 2021~2035 | 2020~2028 |  |  |  |  |  |  |
Borrowings | ₩ 43,419 | ₩ 6,699 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | IBK | IBK |  |  |  |  |  |  |
Purpose of borrowings | PF Refinancing | PF Refinancing |  |  |  |  |  |  |
Borrowings interest rate | CD+1.25 | CD+1.25 |  |  |  |  |  |  |
Borrowings, maturity | 2030 | 2030 |  |  |  |  |  |  |
Borrowings | ₩ 9,543 | ₩ 10,497 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea | Export-Import Bank of Korea |  |  |  |  |  |  |
Purpose of borrowings | Project loans | Project loans |  |  |  |  |  |  |
Borrowings interest rate | 1.50 | 1.50 |  |  |  |  |  |  |
Borrowings, maturity | 2026 | 2026 |  |  |  |  |  |  |
Borrowings | ₩ 16,204 | ₩ 19,150 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea | Export-Import Bank of Korea |  |  |  |  |  |  |
Purpose of borrowings | Facility | Operating funds |  |  |  |  |  |  |
Borrowings interest rate | 1.32 | 2.21 |  |  |  |  |  |  |
Borrowings, maturity | 2028 | 2020 |  |  |  |  |  |  |
Borrowings | ₩ 32,000 | ₩ 35,000 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea | Korea Energy Agency |  |  |  |  |  |  |
Purpose of borrowings | Operating funds | Development of power resources |  |  |  |  |  |  |
Borrowings interest rate | 1.78 | 3yr KTB rate-2.25 |  |  |  |  |  |  |
Borrowings, maturity | 2023 | 2023~2025 |  |  |  |  |  |  |
Borrowings | ₩ 15,700 | ₩ 4,350 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |
Purpose of borrowings | Development of power resources | Facility |  |  |  |  |  |  |
Borrowings interest rate | 3yr KTB rate-2.25 | 3yr KTB rate-2.25 |  |  |  |  |  |  |
Borrowings, maturity | 2023~2025 | 2020~2024 |  |  |  |  |  |  |
Borrowings | ₩ 2,509 | ₩ 2,058 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |
Purpose of borrowings | Facility | Project loans |  |  |  |  |  |  |
Borrowings interest rate | 3yr KTB rate-2.25 | - |  |  |  |  |  |  |
Borrowings, maturity | 2021~2024 | 2023 |  |  |  |  |  |  |
Borrowings | ₩ 1,527 | ₩ 1,197 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |
Purpose of borrowings | Project loans | Others |  |  |  |  |  |  |
Borrowings interest rate | - | KTB rate-2.25 |  |  |  |  |  |  |
Borrowings, maturity | 2023 | 2024~2028 |  |  |  |  |  |  |
Borrowings | ₩ 1,197 | ₩ 15,696 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Shinhan Bank |  |  |  |  |  |  |
Purpose of borrowings | Others | Facility |  |  |  |  |  |  |
Borrowings interest rate | KTB rate-2.25 | CB rate+1.10 |  |  |  |  |  |  |
Borrowings, maturity | 2024~2028 | 2028 |  |  |  |  |  |  |
Borrowings | ₩ 14,045 | ₩ 18,698 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank | Shinhan Bank |  |  |  |  |  |  |
Purpose of borrowings | Facility | Others |  |  |  |  |  |  |
Borrowings interest rate | CB rate+1.10 | 3.95 |  |  |  |  |  |  |
Borrowings, maturity | 2028 | 2035 |  |  |  |  |  |  |
Borrowings | ₩ 16,632 | ₩ 99,146 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank | Shinhan Bank |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |
Borrowings interest rate | 3.95 | Standard overdraft rate+1.00 |  |  |  |  |  |  |
Borrowings, maturity | 2034 | 2035 |  |  |  |  |  |  |
Borrowings | ₩ 89,257 | ₩ 99,146 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Shinhan Bank | Kookmin Bank |  |  |  |  |  |  |
Purpose of borrowings | Others | Facility |  |  |  |  |  |  |
Borrowings interest rate | Standard overdraft rate+1.00 | 3.16 |  |  |  |  |  |  |
Borrowings, maturity | 2034 | 2020 |  |  |  |  |  |  |
Borrowings | ₩ 89,257 | ₩ 10,000 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Kookmin Bank | Kookmin Bank |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |
Borrowings interest rate | MOR+0.79 3M CD+1.79 | MOR+0.79 |  |  |  |  |  |  |
Borrowings, maturity | 2021~2031 | 2023 |  |  |  |  |  |  |
Borrowings | ₩ 46,512 | ₩ 23,333 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |
Borrowings interest rate | 1.75~6.80 | 1.75~6.80 |  |  |  |  |  |  |
Borrowings, maturity | 2026~2037 | 2026~2036 |  |  |  |  |  |  |
Borrowings | ₩ 510,262 | ₩ 390,044 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |
Purpose of borrowings | Facility | Facility |  |  |  |  |  |  |
Borrowings interest rate | CB rate+1.10~1.20 3M CD+1.60 Standard overdraft rate+1.50~2.45 | CB rate+1.10~1.60 Standard overdraft rate+2.45 |  |  |  |  |  |  |
Borrowings, maturity | 2023~2037 | 2023~2036 |  |  |  |  |  |  |
Borrowings | ₩ 89,506 | ₩ 111,834 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |
Purpose of borrowings | PF Refinancing | PF Refinancing |  |  |  |  |  |  |
Borrowings interest rate | 4.10 | 4.10 |  |  |  |  |  |  |
Borrowings, maturity | 2030 | 2030 |  |  |  |  |  |  |
Borrowings | ₩ 26,509 | ₩ 29,159 |  |  |  |  |  |  |
Local long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Others | Others |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |
Borrowings interest rate | 3.90~7.90 | 4.50~7.90 |  |  |  |  |  |  |
Borrowings, maturity | 2023~2039 | 2022~2039 |  |  |  |  |  |  |
Borrowings | ₩ 222,356 | ₩ 102,348 |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Borrowings | ₩ 1,211,818 | ₩ 1,345,465 |  |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Korea Energy Agency | Korea Energy Agency |  |  |  |  |  |  |
Purpose of borrowings | Project loans | Project loans |  |  |  |  |  |  |
Borrowings interest rate | - | - |  |  |  |  |  |  |
Borrowings, maturity | 2021~2023 | 2021~2023 |  |  |  |  |  |  |
Borrowings | ₩ 9,513 | ₩ 10,123 | $ 8,744 |  |  | $ 8,744 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |
Purpose of borrowings | Direct loan and others | Direct loan and others |  |  |  |  |  |  |
Borrowings interest rate | 1M Libor+1.80~3.20 | 1M Libor+1.80~3.20 |  |  |  |  |  |  |
Borrowings, maturity | 2036 | 2036 |  |  |  |  |  |  |
Borrowings | ₩ 104,463 | ₩ 117,994 | 96,014 |  |  | 101,912 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |
Purpose of borrowings | Direct loan and others | Direct loan and others |  |  |  |  |  |  |
Borrowings interest rate | 3M LIBOR+2.75~3.70 | 3M Libor+2.75~3.70 |  |  |  |  |  |  |
Borrowings, maturity | 2027 | 2027 |  |  |  |  |  |  |
Borrowings | ₩ 202,912 | ₩ 239,039 |  | JD 132,228 |  |  | JD 14,638 |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |
Purpose of borrowings | PF Loan | PF Loan |  |  |  |  |  |  |
Borrowings interest rate | 6M LIBOR+1.70~2.50 | 6M Libor+2.50~2.70 |  |  |  |  |  |  |
Borrowings, maturity | 2032 | 2032 |  |  |  |  |  |  |
Borrowings | ₩ 121,013 | ₩ 137,412 | 111,225 |  |  | 118,684 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Export-Import Bank of Korea and others | Export-Import Bank of Korea and others |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |
Borrowings interest rate | 3.88 | 3.88 |  |  |  |  |  |  |
Borrowings, maturity | 2021 | 2021 |  |  |  |  |  |  |
Borrowings | ₩ 314,986 | ₩ 334,685 | 289,509 |  |  | 289,079 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor |  | SCNT and others |  |  |  |  |  |  |
Purpose of borrowings |  | Shareholder's loan |  |  |  |  |  |  |
Borrowings interest rate |  | 6.50~8.00 |  |  |  |  |  |  |
Borrowings, maturity |  | 2023 |  |  |  |  |  |  |
Borrowings |  | ₩ 15,051 |  |  |  | 13,000 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor |  | SCNT and others |  |  |  |  |  |  |
Purpose of borrowings |  | Shareholder's loan |  |  |  |  |  |  |
Borrowings interest rate |  | 8.00 |  |  |  |  |  |  |
Borrowings, maturity |  | 2031 |  |  |  |  |  |  |
Borrowings |  | ₩ 7,925 |  |  |  |  | JD 4,853 |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | POSCO and others |  |  |  |  |  |  |  |
Purpose of borrowings | Shareholder's loan |  |  |  |  |  |  |  |
Borrowings interest rate | 8.00 |  |  |  |  |  |  |  |
Borrowings, maturity | 2023 |  |  |  |  |  |  |  |
Borrowings | ₩ 15,298 |  | 14,061 |  |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | POSCO and others |  |  |  |  |  |  |  |
Purpose of borrowings | Shareholder's loan |  |  |  |  |  |  |  |
Borrowings interest rate | 8.00 |  |  |  |  |  |  |  |
Borrowings, maturity | 2031 |  |  |  |  |  |  |  |
Borrowings | ₩ 7,447 |  |  | JD 4,853 |  |  |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Samsung Life Insurance and others | Samsung Life Insurance and others |  |  |  |  |  |  |
Purpose of borrowings | Syndicated loan | Syndicated loan |  |  |  |  |  |  |
Borrowings interest rate | 3.10 | 3.10 |  |  |  |  |  |  |
Borrowings, maturity | 2032 | 2032 |  |  |  |  |  |  |
Borrowings | ₩ 49,369 | ₩ 52,972 |  |  | ¥ 4,682,816 |  |  | ¥ 4,981,038 |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Woori Bank and others | Woori Bank and others |  |  |  |  |  |  |
Purpose of borrowings | Syndicated Loan | Syndicated loan |  |  |  |  |  |  |
Borrowings interest rate | JPY 6M Libor+2.00 | JPY 6M Libor+2.00 |  |  |  |  |  |  |
Borrowings, maturity | 2032 | 2032 |  |  |  |  |  |  |
Borrowings | ₩ 31,847 | ₩ 34,171 |  |  | ¥ 3,020,746 |  |  | ¥ 3,213,121 |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | IFC and others | IFC and others |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |
Borrowings interest rate | 6M Libor+5.00 | 6M Libor+5.00 |  |  |  |  |  |  |
Borrowings, maturity | 2031 | 2031 |  |  |  |  |  |  |
Borrowings | ₩ 243,837 | ₩ 278,652 | 224,115 |  |  |  |  |  | ₨ 37,252,930
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Federal Financing Bank and others | Federal Financing Bank and others |  |  |  |  |  |  |
Purpose of borrowings | PF Loan | PF loan |  |  |  |  |  |  |
Borrowings interest rate | 2.39~6.00 | 2.39~13 |  |  |  |  |  |  |
Borrowings, maturity | 2031~2038 | 2031~2038 |  |  |  |  |  |  |
Borrowings | ₩ 105,913 | ₩ 117,377 | 97,347 |  |  | 101,380 |  |  |
Foreign long-term borrowings |  |  |  |  |  |  |  |  |
Disclosure of detailed information about Long-term borrowings [Line Items] |  |  |  |  |  |  |  |  |
Name of Creditor | Other Creditors | Other Creditors |  |  |  |  |  |  |
Purpose of borrowings | Others | Others |  |  |  |  |  |  |
Borrowings interest rate | - | - |  |  |  |  |  |  |
Borrowings, maturity | - | - |  |  |  |  |  |  |
Borrowings | ₩ 5,220 | ₩ 64 | $ 4,798 |  |  | $ 57 |  |  |

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