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Statement of Cash Flows - Summary of Changes in Liabilities Incurred From Financing Activities (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | ₩ 84,940,016 | ₩ 74,345,677
Cash flows | 38,631,168 | 9,081,358
Increase | 109,019 | 73,090
Effect of exchange rate fluctuations and others | 1,088,305 | 1,439,891
Ending balance | 124,768,508 | 84,940,016
Borrowings and debt securities |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | 80,529,513 | 69,724,581
Cash flows | 39,193,815 | 9,653,394
Increase | 0 | 0
Effect of exchange rate fluctuations and others | 882,037 | 1,151,538
Ending balance | 120,605,365 | 80,529,513
Lease liabilities |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |
Beginning balance | 4,410,503 | 4,621,096
Cash flows | (562,647) | (572,036)
Increase | 109,019 | 73,090
Effect of exchange rate fluctuations and others | 206,268 | 288,353
Ending balance | ₩ 4,163,143 | ₩ 4,410,503

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- Definition The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Section A Statement of cash flows for an entity other than a financial institution -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A__IAS07_IE_A_TI -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44B -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44B&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44D -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44D&doctype=Standard -URIDate 2022-03-24 + Details
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