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Accumulated Other Comprehensive Income and Other Components of Equity | 12 Months Ended
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Dec. 31, 2018
Text block [abstract] |
Accumulated Other Comprehensive Income and Other Components of Equity |
24. | Accumulated Other Comprehensive Income and Other Components of Equity
As at December 31, 2017 and 2018, the details of the Controlling Company’s accumulated other comprehensive income are as follows:
(In millions of Korean won) |  | December 31, 2017 |  |  | December 31, 2018 |
Changes in investments in associates and joint ventures |  | ￦ | (735 | ) |  | ￦ | (871 | )
Loss on derivatives valuation |  |  | (3,463 | ) |  |  | (30,474 | )
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | — |  |  |  | 96,704 |
Gain of valuation on available-for-sale |  |  | 52,673 |  |  |  | — |
Exchange differences on translation for foreign operations |  |  | (17,490 | ) |  |  | (15,201 | )
Total |  | ￦ | 30,985 |  |  | ￦ | 50,158 |
Changes in accumulated other comprehensive income for the years ended December 31, 2017 and 2018, are as follows:
|  | 2017 |
(In millions of Korean won) |  | Beginning |  |  | Increase/ decrease |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | (10,883 | ) |  | ￦ | 10,148 |  |  | ￦ | — |  |  | ￦ | (735 | )
Gain or loss on derivatives valuation |  |  | (34,309 | ) |  |  | (111,083 | ) |  |  | 141,929 |  |  |  | (3,463 | )
Gain or loss of valuation on available-for-sale |  |  | 54,106 |  |  |  | 54,017 |  |  |  | (55,450 | ) |  |  | 52,673 |
Exchange differences on translation for foreign operations |  |  | (10,346 | ) |  |  | (7,144 | ) |  |  | — |  |  |  | (17,490 | )
Total |  | ￦ | (1,432 | ) |  | ￦ | (54,062 | ) |  | ￦ | 86,479 |  |  | ￦ | 30,985 |
|  | 2018 |
(In millions of Korean won) |  | Beginning |  |  | Changes in accounting policy |  |  | Increase/ decrease |  |  | Reclassification to gain or loss |  |  | Ending |
Changes in investments in associates and joint ventures |  | ￦ | (735 | ) |  | ￦ | — |  |  | ￦ | (136 | ) |  | ￦ | — |  |  | ￦ | (871 | )
Gain or loss on derivatives valuation |  |  | (3,463 | ) |  |  | — |  |  |  | 17,268 |  |  |  | (44,279 | ) |  |  | (30,474 | )
Gain on valuation of financial assets at fair value through other comprehensive income |  |  | 52,673 |  |  |  | 17,741 |  |  |  | 26,290 |  |  |  | — |  |  |  | 96,704 |
Exchange differences on translation for foreign operations |  |  | (17,490 | ) |  |  | — |  |  |  | 2,289 |  |  |  | — |  |  |  | (15,201 | )
Total |  | ￦ | 30,985 |  |  | ￦ | 17,741 |  |  | ￦ | 45,711 |  |  | ￦ | (44,279 | ) |  | ￦ | 50,158 |
The Group’s other components of equity as at December 31, 2017 and 2018, are as follows:
(In millions of Korean won) |  | December 31, 2017 |  |  | December 31, 2018 |
Treasury stock1 |  | ￦ | (853,108 | ) |  | ￦ | (830,874 | )
Gain or loss on disposal of treasury stock2 |  |  | 873 |  |  |  | (12,251 | )
Share-based payments |  |  | 6,483 |  |  |  | 5,956 |
Others3 |  |  | (359,550 | ) |  |  | (343,914 | )
Total |  | ￦ | (1,205,302 | ) |  | ￦ | (1,181,083 | )
| 1 | During the year ended December 31, 2018, the Group acquired treasury stock of 847,620 and disposed of 895,333 treasury shares.
| 2 | The amount directly reflected in equity is ￦5,410 million (2017: ￦653 million) for the year ended December 31, 2018.
| 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, 2017 and 2018, the details of treasury stock are as follows:
|  | December 31, 2017 |  |  | December 31, 2018 |
Number of shares (in shares) |  |  | 16,014,753 |  |  |  | 15,967,040 |
Amounts (In millions of Korean won) |  | ￦ | 853,108 |  |  | ￦ | 830,874 |
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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