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Borrowings and Debt Securities - Short-term Borrowings (Details) $ in Thousands, ₩ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 KRW (₩) | Dec. 31, 2023 KRW (₩) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Short-term borrowings | ₩ 9,122,792 | ₩ 10,667,335 |  |
Local short-term borrowings |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor | Yuanta Securities Co., Ltd. and others | DB Financial Investment and others |  |
Short-term borrowings | ₩ 4,953,348 | ₩ 6,180,339 | $ 0 | $ 0
Local short-term borrowings | Minimum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, interest rate | 3.27% | 4.00% | 3.27% | 4.00%
Borrowings, maturity | 2025.01.07 | 2024.01.05 |  |
Local short-term borrowings | Maximum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, interest rate | 4.60% | 4.84% | 4.60% | 4.84%
Borrowings, maturity | 2025.12.31 | 2024.12.31 |  |
Local short-term borrowings |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor | Nonghyup Bank and others | Nonghyup Bank and others |  |
Borrowings, interest rate | 4.17% |  | 4.17% |
Borrowings, interest rate basis | 3M CD | 3M CD |  |
Short-term borrowings | ₩ 3,934,600 | ₩ 4,300,000 | $ 0 | $ 0
Local short-term borrowings | Minimum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, adjustment to interest rate basis | 0.23% | 0.98% | 0.23% | 0.98%
Borrowings, maturity | 2025.01.02 | 2024.05.26 |  |
Local short-term borrowings | Maximum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, adjustment to interest rate basis | 0.65% | 1.12% | 0.65% | 1.12%
Borrowings, maturity | 2025.11.20 | 2024.11.20 |  |
Local short-term borrowings |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor |  | Korea Development Bank |  |
Borrowings, interest rate basis |  | Standard overdraft rate |  |
Borrowings, adjustment to interest rate basis |  | 1.06% |  | 1.06%
Borrowings, maturity |  | 2024.02.24 |  |
Short-term borrowings |  | ₩ 30,000 |  | $ 0
Local short-term borrowings |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor |  | Export-Import Bank of Korea |  |
Borrowings, interest rate basis |  | 3M Bank debenture rate |  |
Borrowings, adjustment to interest rate basis |  | 0.34% |  | 0.34%
Borrowings, maturity |  | 2024.12.27 |  |
Short-term borrowings |  | ₩ 50,000 |  | $ 0
Foreign short-term borrowings |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor | Hana Bank | Export-Import Bank of Korea |  |
Borrowings, interest rate |  | 5.49% |  | 5.49%
Borrowings, interest rate basis | SOFR(1M) |  |  |
Borrowings, adjustment to interest rate basis | 0.90% |  | 0.90% |
Borrowings, maturity | 2025.08.12 | 2024.09.27 |  |
Short-term borrowings | ₩ 58,800 | ₩ 51,576 | $ 40,000 | $ 40,000
Foreign short-term borrowings |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor |  | Kookmin Bank |  |
Borrowings, interest rate basis |  | SOFR(1M) |  |
Borrowings, adjustment to interest rate basis |  | 0.95% |  | 0.95%
Borrowings, maturity |  | 2024.02.16 |  |
Short-term borrowings |  | ₩ 51,576 |  | $ 40,000
Local bank overdraft |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor | Korea Development Bank | Woori Bank and others |  |
Borrowings, interest rate | 3.85% |  | 3.85% |
Borrowings, interest rate basis |  | Standard overdraft rate |  |
Borrowings, adjustment to interest rate basis |  | 1.37% |  | 1.37%
Borrowings, maturity | 2025.04.28 |  |  |
Short-term borrowings | ₩ 100,000 | ₩ 3,844 | $ 0 | $ 0
Local bank overdraft | Minimum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, interest rate |  | 4.63% |  | 4.63%
Borrowings, maturity |  | 2024.01.05 |  |
Local bank overdraft | Maximum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, interest rate |  | 5.34% |  | 5.34%
Borrowings, maturity |  | 2024.02.23 |  |
Local bank overdraft |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Name of Creditor | Woori Bank and others |  |  |
Borrowings, interest rate | 4.20% |  | 4.20% |
Borrowings, interest rate basis | Standard overdraft rate |  |  |
Borrowings, adjustment to interest rate basis | 1.37% |  | 1.37% |
Short-term borrowings | ₩ 76,044 |  | $ 0 |
Local bank overdraft | Minimum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, maturity | 2025.02.21 |  |  |
Local bank overdraft | Maximum |  |  |  |
Disclosure of detailed information about Short-term borrowings [Line Items] |  |  |  |
Borrowings, maturity | 2025.03.28 |  |  |

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