| Changes in accumulated other comprehensive income (loss) for the years ended December 31, 2016 and 2017 are as follows: |
| 2016 | ||||||||||||||||||||||||
| Available-for-sale financial asset valuation reserve |
Shares in other comprehensive Income (loss) 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 | ||||||||||||||||||||||||
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Beginning balance |
￦ | (24,905 | ) | 276,373 | (254,462 | ) | (95,719 | ) | (98,713 | ) | ||||||||||||||
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Changes in the unrealized fair value of available-for-sale financial assets, net of tax |
61,275 | — | — | — | 61,275 | |||||||||||||||||||
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Shares in other comprehensive loss of associates and joint ventures, net of tax |
— | (54,918 | ) | — | — | (54,918 | ) | |||||||||||||||||
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Foreign currency translation of foreign operations, net of tax |
— | — | 31,406 | — | 31,406 | |||||||||||||||||||
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Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |
— | — | — | 27,075 | 27,075 | |||||||||||||||||||
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Ending balance |
￦ | 36,370 | 221,455 | (223,056 | ) | (68,644 | ) | (33,875 | ) | |||||||||||||||
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| 2017 | ||||||||||||||||||||||||
| Available-for-sale financial asset valuation reserve |
Shares in other comprehensive Income (loss) 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 |
￦ | 36,370 | 221,455 | (223,056 | ) | (68,644 | ) | (33,875 | ) | |||||||||||||||
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Changes in the unrealized fair value of available-for-sale financial assets, net of tax |
(7,102 | ) | — | — | — | (7,102 | ) | |||||||||||||||||
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Shares in other comprehensive loss of associates and joint ventures, net of tax |
— | (154,991 | ) | — | — | (154,991 | ) | |||||||||||||||||
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Foreign currency translation of foreign operations, net of tax |
— | — | (95,103 | ) | — | (95,103 | ) | |||||||||||||||||
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Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |
— | — | — | 19,614 | 19,614 | |||||||||||||||||||
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Ending balance |
￦ | 29,268 | 66,464 | (318,159 | ) | (49,030 | ) | (271,457 | ) | |||||||||||||||
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