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Borrowings and Debt Securities - Schedule of Changes in Borrowings and Debt Securities (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Changes In Borrowings and Debt Securities [Line Items] |  |
Beginning balance | ₩ 74,345,677 | ₩ 72,946,674
Cash flows | 9,081,358 | 1,924,810
Ending balance | 84,940,016 | 74,345,677
Borrowings and debt securities |  |
Changes In Borrowings and Debt Securities [Line Items] |  |
Beginning balance | 69,724,581 | 67,876,541
Cash flows | 9,653,394 | 2,538,787
Effect of exchange rate fluctuations | 1,001,493 | (640,304)
Others | 150,045 | (50,443)
Ending balance | ₩ 80,529,513 | ₩ 69,724,581

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- Definition The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 44B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44B_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 44B -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44B_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 44B -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44B_e&doctype=Standard -URIDate 2021-03-24 + 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 2021-01-01 -Paragraph 44D -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_44D&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Changes in borrowings and debt securities. + References No definition available. + Details
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