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Events after Reporting Period (Tables) | 12 Months Ended
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Dec. 31, 2018
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Summary of Public Bonds Issued After Reporting Period | Subsequent to the reporting period, public bonds issued are as follow:
|  | December 31, 2018 |
(In millions of Korean won) |  | Issue date |  |  | Carrying amount |  |  | Interest rate |  |  | Redemption date |
The 191-1st Public bond |  |  | 2019.01.15 |  |  | ￦ | 220,000 |  |  |  | 2.048 | % |  |  | 2022.01.14 |
The 191-2nd Public bond |  |  | 2019.01.15 |  |  |  | 80,000 |  |  |  | 2.088 | % |  |  | 2024.01.15 |
The 191-3rd Public bond |  |  | 2019.01.15 |  |  |  | 110,000 |  |  |  | 2.160 | % |  |  | 2029.01.15 |
The 191-4th Public bond |  |  | 2019.01.15 |  |  |  | 90,000 |  |  |  | 2.213 | % |  |  | 2039.01.14 |

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- Definition The disclosure of debt instruments. [Refer: Debt instruments issued; Debt instruments held] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Text block [abstract] + References No definition available. + Details
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