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Intangible Assets - Summary of Intangible Assets (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | ₩ 6,370 | ₩ 3,869 | ₩ 3,342 | ₩ 3,363
Software |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 2,780 | 1,938 | 1,264 | 2,234
Industrial property rights |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 626 | 545 | 483 | ₩ 332
License fee |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 2,678 | 1,351 | 1,430 |
Other intangible assets |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 286 | 35 | ₩ 165 |
Acquisition price |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 28,820 | 23,659 |  |
Acquisition price | Software |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 17,567 | 16,284 |  |
Acquisition price | Industrial property rights |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 1,376 | 1,215 |  |
Acquisition price | License fee |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 8,510 | 5,043 |  |
Acquisition price | Other intangible assets |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | 1,367 | 1,117 |  |
Accumulated amortization |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (22,450) | (19,790) |  |
Accumulated amortization | Software |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (14,787) | (14,346) |  |
Accumulated amortization | Industrial property rights |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (750) | (670) |  |
Accumulated amortization | License fee |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | (5,832) | (3,692) |  |
Accumulated amortization | Other intangible assets |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Intangible assets | ₩ (1,081) | ₩ (1,082) |  |

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