Share Capital, Share Premium and Reserves - Additional Information (Detail) - ₩ / shares	Dec. 31, 2022	Dec. 31, 2021
Disclosure of reserves within equity [abstract]
Number of shares authorized	500,000,000	500,000,000
Par value per share	₩ 5,000	₩ 5,000
Number of issued common shares	357,815,700	357,815,700

The number of shares authorised.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 79
-Subparagraph a
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_79_a_i&doctype=Standard
-URIDate 2022-03-24

Name:	ifrs-full_NumberOfSharesAuthorised
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant