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Leases - Summary of Lease Liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | ₩ 4,235,100 | ₩ 4,612,352 |
Less: Discount | (427,220) | (449,209) |
Present value of lease payment | 3,807,880 | 4,163,143 | ₩ 4,410,503
Less than 1 year |  |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | 641,525 | 639,756 |
1~5 Years |  |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | 1,898,846 | 2,047,584 |
More than 5 years |  |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | ₩ 1,694,729 | ₩ 1,925,012 |

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- Definition The amount of contractual undiscounted cash flows in relation to lease liabilities before deducting finance charges. [Refer: Lease liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 58 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_58&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph B11D -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B -URIDate 2023-03-23 + Details
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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_b&doctype=Standard -URIDate 2023-03-23 + Details
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