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Contributed Capital - Summary of Details Shares Issued (Details) - KRW (₩) ₩ in Millions		Dec. 31, 2022	Dec. 31, 2021
Disclosure of classes of share capital [line items]
Common shares		₩ 3,209,820	₩ 3,209,820
Owned by government
Disclosure of classes of share capital [line items]
Common shares	[1]	1,640,385	1,640,385
Owned by others
Disclosure of classes of share capital [line items]
Common shares		₩ 1,569,435	₩ 1,569,435
[1] Korea Development Bank’s interest of ￦1,056,176 million is included.

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- Definition

The nominal value of capital arising from issuing ordinary shares. [Refer: Issued capital]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2022-03-24
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