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Other Components of Equity (Tables) | 12 Months Ended
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Dec. 31, 2024
Disclosure of reserves within equity [abstract] |
Summary of Other Components of Equity |
(1) | Other components of equity of the parent as of December 31, 2023 and 2024 are as follows:
|  |  |  |  | 2023 |  |  | 2024 |
|  |  |  |  | In millions of won |
Other capital surplus |  | ￦ |  |  |  |  | 1,600,801 |  |  |  | 1,600,812 |
Accumulated other comprehensive income |  |  |  |  |  |  | 557,430 |  |  |  | 1,424,014 |
Other equity |  |  |  |  |  |  | 13,294,972 |  |  |  | 12,708,585 |
|  | ￦ |  |  |  |  | 15,453,203 |  |  |  | 15,733,411 |
Summary of Changes in Other Capital Surplus |
(2) | Changes in other capital surplus for the years ended December 31, 2023 and 2024 are as follows:
|  |  |  |  | 2023 |  |  | 2024 |
|  |  |  | Gains on disposal of treasury stocks |  |  | Others |  |  | Subtotal |  |  | Gains on disposal of treasury stocks |  |  | Others |  |  | Subtotal |
|  |  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  |  |  | 387,524 |  |  |  | 881,045 |  |  |  | 1,268,569 |  |  |  | 387,524 |  |  |  | 1,213,277 |  |  |  | 1,600,801 |
Changes in consolidation scope |  |  |  |  |  |  | — |  |  |  | (48 | ) |  |  | (48 | ) |  |  | — |  |  |  | — |  |  |  | — |
Additional paid-in capital and others |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (7 | ) |  |  | (7 | )
Transactions between consolidated entities |  |  |  |  |  |  | — |  |  |  | 332,280 |  |  |  | 332,280 |  |  |  | — |  |  |  | 18 |  |  |  | 18 |
Ending balance |  | ￦ |  |  |  |  | 387,524 |  |  |  | 1,213,277 |  |  |  | 1,600,801 |  |  |  | 387,524 |  |  |  | 1,213,288 |  |  |  | 1,600,812 |
Summary of Changes in Accumulated Other Comprehensive Income (Loss) |
(3) | Changes in accumulated other comprehensive income (loss) for the years ended December 31, 2023 and 2024 are as follows:
|  |  |  |  | 2023 |
|  |  |  |  | Financial assets at fair value through other comprehensive income valuation reserve |  |  | Shares in other comprehensive income of investments in associates and joint ventures |  |  | Reserve for overseas operations translation credit |  |  | Reserve for gain (loss) on valuation of derivatives |  |  | Total |
|  |  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  |  |  | 11,510 |  |  |  | 820,739 |  |  |  | (305,620 | ) |  |  | (29,653 | ) |  |  | 496,976 |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax |  |  |  |  |  |  | (31,665 | ) |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (31,665 | )
Shares in other comprehensive income of associates and joint ventures, net of tax |  |  |  |  |  |  | — |  |  |  | 122,994 |  |  |  | — |  |  |  | — |  |  |  | 122,994 |
Foreign currency translation of foreign operations, net of tax |  |  |  |  |  |  | — |  |  |  | — |  |  |  | (25,950 | ) |  |  | — |  |  |  | (25,950 | )
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (5,078 | ) |  |  | (5,078 | )
Others |  |  |  |  |  |  | 153 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 153 |
Ending balance |  | ￦ |  |  |  |  | (20,002 | ) |  |  | 943,733 |  |  |  | (331,570 | ) |  |  | (34,731 | ) |  |  | 557,430 |
|  |  |  |  | 2024 |
|  |  |  |  | Financial assets at fair value through other comprehensive income valuation reserve |  |  | Shares in other comprehensive income of investments in associates and joint ventures |  |  | Reserve for overseas operations translation credit |  |  | Reserve for gain (loss) on valuation of derivatives |  |  | Total |
|  |  |  |  | In millions of won |
Beginning balance |  | ￦ |  |  |  |  | (20,002 | ) |  |  | 943,733 |  |  |  | (331,570 | ) |  |  | (34,731 | ) |  |  | 557,430 |
Changes in the unrealized fair value of financial assets at FVOCI, net of tax |  |  |  |  |  |  | 100,759 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 100,759 |
Shares in other comprehensive income of associates and joint ventures, net of tax |  |  |  |  |  |  | — |  |  |  | 654,225 |  |  |  | — |  |  |  | — |  |  |  | 654,225 |
Foreign currency translation of foreign operations, net of tax |  |  |  |  |  |  | — |  |  |  | — |  |  |  | 99,624 |  |  |  | — |  |  |  | 99,624 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |  |  |  |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 11,976 |  |  |  | 11,976 |
Ending balance |  | ￦ |  |  |  |  | 80,757 |  |  |  | 1,597,958 |  |  |  | (231,946 | ) |  |  | (22,755 | ) |  |  | 1,424,014 |
Summary of Changes in Other equity |
(4) | Other equity as of December 31, 2023 and 2024 are as follows:
|  |  |  |  | 2023 |  |  | 2024 |
|  |  |  |  | In millions of won |
Statutory revaluation reserve |  | ￦ |  |  |  |  | 13,295,098 |  |  |  | 12,708,704 |
Changes in other equity |  |  |  |  |  |  | (126 | ) |  |  | (119 | )
|  | ￦ |  |  |  |  | 13,294,972 |  |  |  | 12,708,585 |

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