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Risk Management - Summary of Maturity Analysis for Derivative Financial Assets and Liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | ₩ (339,447) | ₩ (76,319)
Derivative financial assets | 1,048,713 | 661,447
Net settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | 0 | 0
Derivative financial assets | 0 | 0
Gross settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (313,942) | (47,508)
Derivative financial assets | 735,563 | 456,690
Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (25,505) | (28,811)
Derivative financial assets | 313,150 | 204,757
Less than 1 year |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (42,663) | (9,183)
Derivative financial assets | 996,011 | 127,118
Less than 1 year | Net settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | 0 | 0
Derivative financial assets | 0 | 0
Less than 1 year | Gross settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (42,663) | (6,628)
Derivative financial assets | 861,621 | 93,554
Less than 1 year | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | 0 | (2,555)
Derivative financial assets | 134,390 | 33,564
1~2 Years |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (25,289) | (5,592)
Derivative financial assets | 208,440 | 119,815
1~2 Years | Net settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | 0 | 0
Derivative financial assets | 0 | 0
1~2 Years | Gross settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (15,225) | (4,954)
Derivative financial assets | 160,938 | 54,617
1~2 Years | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (10,064) | (638)
Derivative financial assets | 47,502 | 65,198
2~5 Years |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (176,306) | (35,549)
Derivative financial assets | (221,399) | 305,423
2~5 Years | Net settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | 0 | 0
Derivative financial assets | 0 | 0
2~5 Years | Gross settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (171,130) | (33,635)
Derivative financial assets | (352,657) | 202,663
2~5 Years | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (5,176) | (1,914)
Derivative financial assets | 131,258 | 102,760
More than 5 years |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (95,189) | (25,995)
Derivative financial assets | 65,661 | 109,091
More than 5 years | Net settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | 0 | 0
Derivative financial assets | 0 | 0
More than 5 years | Gross settlement | Not Designated as Hedging Instrument Trading |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (84,924) | (2,291)
Derivative financial assets | 65,661 | 105,856
More than 5 years | Gross settlement | Designated as Hedging Instrument |  |
Disclosure of maturity analysis for derivative financial liabilities [line items] |  |
Derivative financial liabilities, undiscounted cash flows | (10,265) | (23,704)
Derivative financial assets | ₩ 0 | ₩ 3,235

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- Definition The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of contractual undiscounted cash flows in relation to derivative financial liabilities. [Refer: Derivative financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 39 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_39_b&doctype=Standard -URIDate 2022-03-24 + Details
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