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Investment Properties - Summary of Fair Value of Investment Properties (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | ₩ 228,984 | ₩ 185,527 | ₩ 208,286
Land |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 210,509 | 172,594 |
Buildings |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 18,475 | 12,933 |
Book value |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 228,984 | 185,527 |
Book value | Land |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 210,509 | 172,594 |
Book value | Buildings |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 18,475 | 12,933 |
Fair value |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 356,473 | 271,915 |
Fair value | Land |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | 337,379 | 258,478 |
Fair value | Buildings |  |  |
Disclosure The fair value of investment property [Line Items] |  |  |
Investment properties | ₩ 19,094 | ₩ 13,437 |

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- Definition The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 76 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_76&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2024-01-01 -Paragraph 79 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2024-en-r&anchor=para_79_d&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_b&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Disclosure - The fair value of investment property. + References No definition available. + Details
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- Details
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