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Revenue - Summary of Contract Assets and Liabilities From Contracts With Customers (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Disclosure of Receivables, customer finance, contract assets and contract liabilities [abstract] |  |
Trade accounts and notes receivable | ₩ 9,633,285 | ₩ 9,374,086
Due from customers for contract work | 1,570,397 | 1,475,180
Advances received | 646,609 | 342,314
Due to customers for contract work | 727,902 | 452,839
Unearned revenue | ₩ 100,967 | ₩ 89,807

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- Definition The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer that is unconditional. A right to consideration is unconditional if only the passage of time is required before payment of that consideration is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2025-01-01 -Paragraph 105 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_105&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2025-01-01 -Paragraph 116 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_116_a&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 105 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_105_a&doctype=Standard -URIDate 2025-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 105 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_105_a&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Amount due from customers for contract work as contract asset. + References No definition available. + Details
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- Definition Amount due to customers for contract work as contract liabilities. + References No definition available. + Details
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- Definition Disclosure ofReceivables, customer finance, contract assets and contract liabilities. + References No definition available. + Details
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- Definition Unearned revenue. + References No definition available. + Details
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