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Interests in Unconsolidated Structured Entities - Summary of Unconsolidated Structured Entities and Nature of Risks (Detail) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Real Estate Finance [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Maximum loss exposure Investment assets | ₩ 373,638 | ₩ 360,557
Investment agreement and others | 84,481 | 44,975
Total | 458,119 | 405,532
PEF and Investment Funds [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Maximum loss exposure Investment assets | 547,153 | 509,816
Investment agreement and others | 101,178 | 106,064
Total | 648,331 | 615,880
Unconsolidated structured entities [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Maximum loss exposure Investment assets | 920,791 | 870,373
Investment agreement and others | 185,659 | 151,039
Total | ₩ 1,106,450 | ₩ 1,021,412

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- Definition The maximum exposure to the credit risk of financial assets designated as measured at fair value through profit or loss. [Refer: Credit risk [member]; Maximum exposure to credit risk] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 9 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_9_a&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount that best represents the entity's maximum exposure to loss from its interests in structured entities. [Refer: Total for all unconsolidated structured entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 29 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_29_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of financial or other support (for example, purchasing assets of, or instruments issued by, the structured entity) provided to a structured entity without having a contractual obligation to do so, including assistance in obtaining financial support. [Refer: Total for all subsidiaries [member]; Total for all unconsolidated structured entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 15 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_15_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 30 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_30_a&doctype=Standard -URIDate 2024-03-27 + Details
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