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Accumulated Other Comprehensive Income and Other Components of Equity (Tables) | 12 Months Ended
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Dec. 31, 2021
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Summary of Accumulated Other Comprehensive Income | As at December 31, 2020 and 2021, the details of the Controlling Company’s accumulated other comprehensive income are as follows:
(In millions of Korean won) |  | December 31, 2020 |  |  | December 31, 2021 |
Changes in investments in associates and joint ventures |  | ￦ | 16,257 |  |  | ￦ | (3,461 | )
Gain or loss on derivatives valuation |  |  | 19,809 |  |  |  | 25,031 |
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | 61,438 |  |  |  | 108,685 |
Exchange differences on translation for foreign operations |  |  | (11,453 | ) |  |  | (12,786 | )
Total |  | ￦ | 86,051 |  |  | ￦ | 117,469 |
Summary of Changes in Accumulated Other Comprehensive Income | Changes in accumulated other comprehensive income for the years ended December 31, 2020 and 2021, are as follows:
|  | 2020 |
(In millions of Korean won) |  | Beginning |  |  | Increase/ decrease |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | 1,556 |  |  | ￦ | 14,701 |  |  | ￦ | — |  |  | ￦ | 16,257 |
Gain or loss on derivatives valuation |  |  | (7,624 | ) |  |  | (83,998 | ) |  |  | 111,431 |  |  |  | 19,809 |
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | 211,573 |  |  |  | (150,135 | ) |  |  | — |  |  |  | 61,438 |
Exchange differences on translation for foreign operations |  |  | (10,571 | ) |  |  | (882 | ) |  |  | — |  |  |  | (11,453 | )
Total |  | ￦ | 194,934 |  |  | ￦ | (220,314 | ) |  | ￦ | 111,431 |  |  | ￦ | 86,051 |
|  | 2021 |
( I n millions of Korean won) |  | Beginning |  |  | Increase/ decrease |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | 16,257 |  |  | ￦ | (19,718 | ) |  | ￦ | — |  |  | ￦ | (3,461 | )
Gain or loss on derivatives valuation |  |  | 19,809 |  |  |  | 141,805 |  |  |  | (136,583 | ) |  |  | 25,031 |
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | 61,438 |  |  |  | 47,247 |  |  |  | — |  |  |  | 108,685 |
Exchange differences on translation for foreign operations |  |  | (11,453 | ) |  |  | (1,333 | ) |  |  | — |  |  |  | (12,786 | )
Total |  | ￦ | 86,051 |  |  | ￦ | 168,001 |  |  | ￦ | (136,583 | ) |  | ￦ | 117,469 |
Summary of Other Components of Equity | The Group’s other components of equity as at December 31, 2020 and 2021, are as follows :
(In millions of Korean won) |  | December 31, 2020 |  |  | December 31, 2021 |
Treasury stock 1 |  | ￦ | (882,224 | ) |  | ￦ | (1,009,798 | )
Gain or loss on disposal of treasury stock 2 |  |  | (17,579 | ) |  |  | (8,658 | )
Share-based payments |  |  | 5,901 |  |  |  | 4,068 |
Others 3 |  |  | (340,882 | ) |  |  | (418,692 | )
Total |  | ￦ | (1,234,784 | ) |  | ￦ | (1,433,080 | )
| 1 | During the year ended December 31, 2021, the Group acquired 7,600,886 treasury shares and granted 1,566,902 treasury shares as share-based payment.
| 2 | The tax impact amount directly reflected in equity is ￦ 4,080 million (2020: ￦ 7,288 million) for the year ended December 31, 2021.
| 3 | Profit or loss incurred from transactions with non-controlling interest and investment difference incurred from change in proportion of subsidiaries are included.
Summary of Treasury Stock | As at December 31, 2020 and 2021, the details of treasury stock are as follows:
|  | December 31, 2020 |  |  | December 31, 2021 |
Number of shares (in shares) |  |  | 19,269,678 |  |  |  | 25,303,662 |
Amounts ( i n millions of Korean won) |  | ￦ | 882,224 |  |  | ￦ | 1,009,798 |

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