Capital - Summary of Capital Surplus (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2024	Dec. 31, 2023
Disclosure of classes of share capital [abstract]
Additional paid in capital	₩ 25,292	₩ 25,292
Other capital surplus	1,687	1,806
Total	₩ 26,979	₩ 27,098

The amount received or receivable from the issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant