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Accumulated Other Comprehensive Income and Other Components of Equity | 12 Months Ended
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Dec. 31, 2020
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Accumulated Other Comprehensive Income and Other Components of Equity |
24. | Accumulated Other Comprehensive Income and Other Components of Equit y
As at December 31, 2019 and 2020, the details of the Controlling Company’s accumulated other comprehensive income are as follows:
(In millions of Korean won) |  | December 31, 2019 |  |  | December 31, 2020 |
Changes in investments in associates and joint ventures |  | ￦ | 1,556 |  |  | ￦ | 16,257 |
Loss on derivatives valuation |  |  | (7,624 | ) |  |  | 19,809 |
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | 211,573 |  |  |  | 61,438 |
Exchange differences on translation for foreign operations |  |  | (10,571 | ) |  |  | (11,453 | )
Total |  | ￦ | 194,934 |  |  | ￦ | 86,051 |
Changes in accumulated other comprehensive income for the years ended December 31, 2019 and 2020, are as follows:
|  | 2019 |
(In millions of Korean won) |  | Beginning |  |  | Increase/ decrease |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | (871 | ) |  | ￦ | 2,427 |  |  | ￦ | — |  |  | ￦ | 1,556 |
Gain or loss on derivatives valuation |  |  | (30,474 | ) |  |  | 67,534 |  |  |  | (44,684 | ) |  |  | (7,624 | )
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | 96,704 |  |  |  | 114,869 |  |  |  | — |  |  |  | 211,573 |
Exchange differences on translation for foreign operations |  |  | (15,201 | ) |  |  | 4,630 |  |  |  | — |  |  |  | (10,571 | )
Total |  | ￦ | 50,158 |  |  | ￦ | 189,460 |  |  | ￦ | (44,684 | ) |  | ￦ | 194,934 |
(In millions of Korean won) |  | 2020 |
|  | 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 |
The Group’s other components of equity as at December 31, 2019 and 2020, are as follows:
(In millions of Korean won) |  | December 31, 2019 |  |  | December 31, 2020 |
Treasury stock 1 |  |  | ￦ (825,838) |  |  |  | ￦ (882,224) |
Gain or loss on disposal of treasury stock 2 |  |  | 1,229 |  |  |  | (17,579 | )
Share-based payments |  |  | 7,769 |  |  |  | 5,901 |
Others 3 |  |  | (353,243 | ) |  |  | (340,882 | )
Total |  |  | ￦ (1,170,083 | ) |  |  | ￦ (1,234,784 | )
| 1 | During the year ended December 31, 2020, the Group acquired 4,550,000 treasury shares and granted 1,150,580 treasury shares as share-based payment.
| 2 | The amount directly reflected in equity is ￦7,288 million (2019: ￦603 million) for the year ended December 31, 2020.
| 3 | Profit or loss incurred from transactions with non-controlling interest and investment difference incurred from change in proportion of subsidiaries are included.
As at December 31, 2019 and 2020 , the details of treasury stock are as follows:
|  | December 31, 2019 |  |  | December 31, 2020 |
Number of shares (in shares) |  |  | 15,870,258 |  |  |  | 19,269,678 |
Amounts (In millions of Korean won) |  | ￦ | 825,838 |  |  | ￦ | 882,224 |
Treasury stock is expected to be used for the stock compensation for the Group’s directors and employees and other purposes.

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