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Capital | 12 Months Ended
--- | ---
Dec. 31, 2020
Disclosure Of Classes Of Share Capital [Abstract] |
Capital | 12. Capital (1) Details of common shares as of December 31, 2020 and 2019 are as follows:
|  | December 31, 2020 |  |  | December 31, 2019 |
|  |  | (In Korean won and number of shares) |
Number of authorized shares |  |  |  | 40,000,000 |  |  |  |  | 40,000,000 |
Value per share |  | W |  | 500 |  |  | W |  | 500 |
Number of shares issued |  |  |  | 6,948,900 |  |  |  |  | 6,948,900 |
Common shares |  | W |  | 3,474,450,000 |  |  | W |  | 3,474,450,000 |
(2) Details of capital surplus as of December 31, 2020 and 2019 are as follows:
|  | December 31, 2020 |  |  | December 31, 2019 |
|  |  | (In millions of Korean won) |
Additional paid in capital |  | W |  | 25,304 |  |  | W |  | 25,322 |
Other capital surplus |  |  |  | 1,806 |  |  |  |  | 1,806 |
Total |  | W |  | 27,110 |  |  | W |  | 27,128 |
(3) Details of other components of equity as of December 31, 2020 and 2019 are as follows:
|  | December 31, 2020 |  |  | December 31, 2019 |
|  |  | (In millions of Korean won) |
Foreign currency translation adjustments |  | W |  | (1,045 | ) |  | W |  | 275 |
(4) Details of retained earnings as of December 31, 2020 and 2019 are as follows:
|  | December 31, 2020 |  |  | December 31, 2019 |
|  |  | (In millions of Korean won) |
Unappropriated retained earnings |  | W |  | 147,371 |  |  | W |  | 84,668 |
(5) According to Parent company's Articles of Incorporation, Parent company may issue 2,000,000 shares of preferred stock without voting rights, and there are no preferred shares issued as of December 31, 2020 and 2019.

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- Definition The entire disclosure for share capital, reserves and other equity interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 79 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_79&doctype=Standard -URIDate 2020-01-01 + Details
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