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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, 2022 | Dec. 31, 2021
Disclosure of unconsolidated structured entities [line items] |  |
Other financial assets | ₩ 3,823,936 | ₩ 2,008,038
Joint ventures and associates | 1,480,722 | 1,288,429
Real Estate Finance [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Total assets of unconsolidated structured entities | 3,539,827 | 2,343,487
Other financial assets | 77,819 | 40,587
Joint ventures and associates | 123,138 | 125,009
Total | 200,957 | 165,596
Maximum loss exposure Investment assets | 200,957 | 165,596
Cash deficiency support | 40,914 |
Total | 241,871 | 165,596
PEF &Investment Fund [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Total assets of unconsolidated structured entities | 5,580,445 | 5,202,439
Other financial assets | 237,907 | 237,841
Joint ventures and associates | 268,275 | 246,440
Total | 506,182 | 484,281
Maximum loss exposure Investment assets | 506,182 | 484,281
Cash deficiency support | 91,224 | 63,489
Total | 597,406 | 547,770
Asset Securitization [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Total assets of unconsolidated structured entities | 2,044,989 | 2,256,256
Unconsolidated structured entities [member] |  |
Disclosure of unconsolidated structured entities [line items] |  |
Total assets of unconsolidated structured entities | 11,165,261 | 9,802,182
Other financial assets | 315,726 | 278,428
Joint ventures and associates | 391,413 | 371,449
Total | 707,139 | 649,877
Maximum loss exposure Investment assets | 707,139 | 649,877
Cash deficiency support | 132,138 | 63,489
Total | ₩ 839,277 | ₩ 713,366

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- Definition The amount of assets recognised in the entity's financial statements relating to its interests in structured entities. [Refer: Assets; Unconsolidated structured entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 29 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_29_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 24 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_24_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_e&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B16&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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- Definition The amount of financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 54 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_54_d&doctype=Standard -URIDate 2022-03-24 + Details
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