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Other Components of Equity - Summary of Other Components of Equity (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Beginning balance | ₩ 42,000,256 | ₩ 65,326,706 | ₩ 70,668,059
Additional paid-in capital and others | 6,023 | 126,792 | 75,211
Shares of other comprehensive income of associates and joint ventures, net of tax | (27,349) | 12,305 | 3,609
Shares of other comprehensive income of associates and joint ventures, net of tax | 122,994 | 509,487 | 301,161
Foreign currency translation of foreign operations, net of tax | (17,274) | 28,387 | 41,189
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax | (3,654) | (24,415) | (15,778)
Others | 153 |  |
Ending balance | 37,264,750 | 42,000,256 | 65,326,706
Other Components Of Equity |  |  |
Beginning balance | 15,060,518 |  |
Ending balance | 15,453,203 | 15,060,518 |
Other capital surplus |  |  |
Beginning balance | 1,268,569 | 1,231,109 |
Changes in consolidation scope | (48) | (597) |
Additional paid-in capital and others | 0 | 39,641 |
Transactions between consolidated entities | 332,280 | (1,584) |
Ending balance | 1,600,801 | 1,268,569 | 1,231,109
Other capital surplus | Other Components Of Equity |  |  |
Beginning balance | 1,268,569 |  |
Ending balance | 1,600,801 | 1,268,569 |
Gains on disposal of Treasury stocks |  |  |
Beginning balance | 387,524 | 387,524 |
Changes in consolidation scope | 0 | 0 |
Additional paid-in capital and others | 0 | 0 |
Transactions between consolidated entities | 0 | 0 |
Ending balance | 387,524 | 387,524 | 387,524
Other Capital Surplus Other Than Gainson Disposal Of Treasury Stocks |  |  |
Beginning balance | 881,045 | 843,585 |
Changes in consolidation scope | (48) | (597) |
Additional paid-in capital and others | 0 | 39,641 |
Transactions between consolidated entities | 332,280 | (1,584) |
Ending balance | 1,213,277 | 881,045 | 843,585
Accumulated other comprehensive income (loss) |  |  |
Beginning balance | 496,976 | (57,632) |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax | (31,665) | 58,008 |
Shares of other comprehensive income of associates and joint ventures, net of tax | 122,994 | 509,487 |
Foreign currency translation of foreign operations, net of tax | (25,950) | 19,550 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax | (5,078) | (32,437) |
Ending balance | 557,430 | 496,976 | (57,632)
Accumulated other comprehensive income (loss) | Other Components Of Equity |  |  |
Beginning balance | 496,976 |  |
Ending balance | 557,430 | 496,976 |
Financial assets at fair value through other comprehensive income |  |  |
Beginning balance | 11,510 | (46,498) |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax | (31,665) | 58,008 |
Shares of other comprehensive income of associates and joint ventures, net of tax | 0 | 0 |
Foreign currency translation of foreign operations, net of tax | 0 | 0 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax | 0 | 0 |
Others | 153 |  |
Ending balance | (20,002) | 11,510 | (46,498)
Shares in other comprehensive Income (loss) of investments in associates and joint ventures |  |  |
Beginning balance | 820,739 | 311,252 |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax | 0 | 0 |
Shares of other comprehensive income of associates and joint ventures, net of tax | 122,994 | 509,487 |
Foreign currency translation of foreign operations, net of tax | 0 | 0 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax | 0 | 0 |
Others | 0 |  |
Ending balance | 943,733 | 820,739 | 311,252
Reserve for gain (loss) on valuation of derivatives |  |  |
Beginning balance | (29,653) | 2,784 |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax | 0 | 0 |
Shares of other comprehensive income of associates and joint ventures, net of tax | 0 | 0 |
Foreign currency translation of foreign operations, net of tax | 0 | 0 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax | (5,078) | (32,437) |
Others | 0 |  |
Ending balance | (34,731) | (29,653) | 2,784
Reserve for overseas operations translation credit |  |  |
Beginning balance | (305,620) | (325,170) |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax | 0 | 0 |
Shares of other comprehensive income of associates and joint ventures, net of tax | 0 | 0 |
Foreign currency translation of foreign operations, net of tax | (25,950) | 19,550 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax | 0 | 0 |
Others | 0 |  |
Ending balance | (331,570) | (305,620) | ₩ (325,170)
Other equity |  |  |
Beginning balance | 13,294,973 |  |
Ending balance | 13,294,972 | 13,294,973 |
Other equity | Other Components Of Equity |  |  |
Beginning balance | 13,294,973 |  |
Ending balance | 13,294,972 | 13,294,973 |
Statutory revaluation reserve |  |  |
Beginning balance | 13,295,098 |  |
Ending balance | 13,295,098 | 13,295,098 |
Changes in other equity |  |  |
Beginning balance | (125) |  |
Ending balance | ₩ (126) | ₩ (125) |

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