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Finance Expenses - Summary of Finance Expenses and Interest Expense (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Interest costs [abstract] |  |  |
Trade and other payables | ₩ 204,078 | ₩ 213,765 | ₩ 88,757
Short-term borrowings | 145,201 | 42,371 | 29,358
Long-term borrowings | 204,037 | 115,141 | 118,678
Debt securities | 2,388,517 | 1,728,588 | 1,805,253
Other financial liabilities | 472,248 | 384,423 | 540,867
Interest expense (before capitalizing borrowing costs) | 3,414,081 | 2,484,288 | 2,582,913
Less: Capitalized borrowing costs | (595,535) | (569,831) | (587,488)
Interest expense | 2,818,546 | 1,914,457 | 1,995,425
Losses on sale of financial assets | 1,841 | 1,045 | 648
Losses on valuation of financial assets at fair value through profit or loss | 44,329 | 5,480 | 7,396
Losses on valuation of derivatives | 371,038 | 37,017 | 513,278
Losses on transaction of derivatives | 205,162 | 40,818 | 81,055
Losses on foreign currency transaction | 346,711 | 83,558 | 79,103
Losses on foreign currency translation | 934,005 | 1,159,334 | 215,047
Losses on repayment of financial liabilities | 15 | 10 | 35
Others | 25,144 | 4,058 | 4,456
Total Finance Expense | ₩ 4,746,791 | ₩ 3,245,777 | ₩ 2,896,443

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- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2022-03-24 -Paragraph 26 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2022-en-r&anchor=para_26_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 82 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_82_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of expense arising from interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 28 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 23 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23_d&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B13 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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- Definition The amount of interest expense on bank loans and overdrafts. [Refer: Interest expense; Bank overdrafts] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of interest expense on borrowings. [Refer: Interest expense; Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of interest expense on debt instruments issued. [Refer: Interest expense; Debt instruments issued] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of interest expense on other financial liabilities. [Refer: Interest expense; Other financial liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The losses resulting from changes in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The net loss arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 21 -IssueDate 2022-03-24 -Paragraph 52 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2022-en-r&anchor=para_52_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 35 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_35&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of finance costs that the entity does not separately disclose in the same statement or note. [Refer: Finance costs] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
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