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Financial Risk Management - Summary of Group's Recognized Financial Liabilities Subject to Enforceable Master Netting Arrangements or Similar Agreements (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Disclosure of offsetting of financial liabilities [Line Items] |  |
Gross liabilities | ₩ 65,013 | ₩ 63,964
Gross assets offset | (20,735) | (2,164)
Net amounts presented in the statement of financial position | 44,278 | 61,800
Amounts not offset, Financial instruments | (42,999) | (59,151)
Net amount | 1,279 | 2,649
Trade payables [member] |  |
Disclosure of offsetting of financial liabilities [Line Items] |  |
Gross liabilities | 40,732 | 59,602
Gross assets offset | (147) | (757)
Net amounts presented in the statement of financial position | 40,585 | 58,845
Amounts not offset, Financial instruments | (39,306) | (56,196)
Net amount | 1,279 | 2,649
Other [member] |  |
Disclosure of offsetting of financial liabilities [Line Items] |  |
Gross liabilities | 24,281 | 4,362
Gross assets offset | (20,588) | (1,407)
Net amounts presented in the statement of financial position | 3,693 | 2,955
Amounts not offset, Financial instruments | ₩ (3,693) | ₩ (2,955)

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