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Leases - Summary of Lease Liabilities (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | ₩ 4,120,634 | ₩ 4,235,100 |
Less: Discount | (421,178) | (427,220) |
Present value of lease payment | 3,699,456 | 3,807,880 | ₩ 4,163,143
Less than 1 year |  |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | 632,878 | 641,525 |
1~5 Years |  |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | 1,817,340 | 1,898,845 |
More than 5 years |  |  |
Disclosure of maturity analysis for non-derivative financial liabilities [line items] |  |  |
Gross lease liabilities | ₩ 1,670,416 | ₩ 1,694,730 |

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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 2024-01-01 -Paragraph 58 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_58&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph B11D -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_B11D_a&doctype=Appendix&subtype=B -URIDate 2024-03-27 + 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 2024-01-01 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2024-en-r&anchor=para_47_b&doctype=Standard -URIDate 2024-03-27 + Details
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