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Accumulated Other Comprehensive Income and Other Components of Equity (Tables) | 12 Months Ended
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Dec. 31, 2024
Text block Explanatory [Abstract] |
Summary of Accumulated Other Comprehensive Income |
| (1) | As of December 31, 2023 and 2024, the details of the Controlling Company’s accumulated other comprehensive income are as follows:
(in millions of Korean won) |  | December 31, 2023 |  |  | December 31, 2024 |
Changes in investments in associates and joint ventures |  | ￦ | 4,023 |  |  | ￦ | 7,746 |
Gain (loss) on derivatives valuation |  |  | (29,361 | ) |  |  | (42,178 | )
Gain (loss) on valuation of financial assets at fair value through other comprehensive income |  |  | 73,928 |  |  |  | 80,845 |
Exchange differences on translation for foreign operations |  |  | 3,817 |  |  |  | 17,316 |
Total |  | ￦ | 52,407 |  |  | ￦ | 63,729 |
Summary of Changes in Accumulated Other Comprehensive Income |
| (2) | Changes in accumulated other comprehensive income for the years ended December 31, 2023 and 2024, are as follows:
(in millions of Korean won) |  | 2023 |
|  | Beginning |  |  | Increase/ decrease |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | (11,752 | ) |  | ￦ | 15,775 |  |  | ￦ | — |  |  | ￦ | 4,023 |
Gain (loss) on derivatives valuation |  |  | (7,109 | ) |  |  | 15,690 |  |  |  | (37,942 | ) |  |  | (29,361 | )
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | (52,100 | ) |  |  | 126,028 |  |  |  | — |  |  |  | 73,928 |
Exchange differences on translation for foreign operations |  |  | (6,815 | ) |  |  | 10,632 |  |  |  | — |  |  |  | 3,817 |
Total |  | ￦ | (77,776 | ) |  | ￦ | 168,125 |  |  | ￦ | (37,942 | ) |  | ￦ | 52,407 |
|  | 2024 |
(in millions of Korean won) |  | Beginning |  |  | Increase (decrease) |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | 4,023 |  |  | ￦ | 3,723 |  |  | ￦ | — |  |  | ￦ | 7,746 |
Gain (loss) on derivatives valuation |  |  | (29,361 | ) |  |  | 273,137 |  |  |  | (285,954 | ) |  |  | (42,178 | )
Gain (loss) on valuation of financial assets at fair value through other comprehensive income |  |  | 73,928 |  |  |  | 6,917 |  |  |  | — |  |  |  | 80,845 |
Exchange differences on translation for foreign operations |  |  | 3,817 |  |  |  | 13,499 |  |  |  | — |  |  |  | 17,316 |
Total |  | ￦ | 52,407 |  |  | ￦ | 297,276 |  |  | ￦ | (285,954 | ) |  | ￦ | 63,729 |
Summary of Other Components of Equity | (3) The Group’s other components of equity as at December 31, 2023 and 2024, are as follows:
(in millions of Korean won) |  | December 31, 2023 |  |  | December 31, 2024 |
Treasury stock |  | ￦ | (398,075 | ) |  |  | (215,210 | )
Gain or loss on disposal of treasury stock 1 |  |  | 3,220 |  |  |  | 2,862 |
Share-based payments |  |  | 8,773 |  |  |  | 7,106 |
Equity transactions within consolidated entities 2 |  |  | (416,336 | ) |  |  | (432,318 | )
Total |  | ￦ | (802,418 | ) |  |  | (637,560 | )
| 1 | The amount directly reflected in equity is ￦ 120 million for the year ended December 31, 2024 (2023: ￦ 101 million).
| 2 | Profit or loss incurred from transactions with non-controlling interest and investment difference incurred from changes in ownership of subsidiaries are included.
Summary of Treasury Stock |
| (4) | As of December 31, 2023 and 2024, the details of treasury stock are as follows:
|  | December 31, 2023 |  |  | December 31, 2024 |
Number of shares (in shares) |  |  | 11,447,338 |  |  |  | 6,188,739 |
Amounts (in millions of Korean won) |  | ￦ | 398,075 |  |  |  | 215,210 |

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