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Commitments and Contingencies - Summary of Guarantees Received from Financial Institutions (Parenthetical) (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of detailed information about borrowings [line items] |  |  |
Inventory Assets | ₩ 988,351 | ₩ 717,673 |
Investment properties | 2,198,135 | ₩ 1,933,358 | ₩ 1,720,654
Collateral [Member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Inventory Assets | 278,031 |  |
Investment properties | ₩ 283,688 |  |

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