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Other Receivables - Summary of lease investment and net lease investment (Detail) - Other receivables [member] - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Disclosure Of Leases By Lessor [Line Items] |  |
Undiscounted lease payments | ₩ 107,861 | ₩ 129,231
Unrealized interest income | (27,753) | (34,327)
Present value of minimum lease payment | 80,108 | 94,904
Less than 1 year [member] |  |
Disclosure Of Leases By Lessor [Line Items] |  |
Gross amount of lease payment | 15,298 | 19,051
1 year - 3 years [member] |  |
Disclosure Of Leases By Lessor [Line Items] |  |
Gross amount of lease payment | 23,072 | 31,805
3 years – 5 years [member] |  |
Disclosure Of Leases By Lessor [Line Items] |  |
Gross amount of lease payment | 14,067 | 9,848
Over 5 years [member] |  |
Disclosure Of Leases By Lessor [Line Items] |  |
Gross amount of lease payment | ₩ 55,424 | ₩ 68,527

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- Definition The amount of undiscounted finance lease payments to be received. Finance lease is a lease that transfers substantially all the risks and rewards incidental to ownership of an underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2025-01-01 -Paragraph 94 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_94&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 122 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_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 122 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a&doctype=Standard -URIDate 2025-03-27 + Details
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2025-01-01 -Paragraph 94 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_94&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 122 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_b&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 122 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_b&doctype=Standard -URIDate 2025-03-27 + Details
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- References No definition available. + Details
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- Definition Finance lease in gross investment. + References No definition available. + Details
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- Definition Minimum lease payments receivable at present value. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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