Investment Property - Additional Information (Details) - KRW (₩) ₩ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Disclosure of detailed information about investment property [abstract]
Rental income from investment property	₩ 8,966	₩ 8,891
Rental cost from investment property	₩ 4,956	₩ 5,468

The amount of rental income arising from investment property recognised in profit or loss. [Refer: Investment property]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 40
-IssueDate 2025-01-01
-Paragraph 75
-Subparagraph f
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_75_f_i&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_RentalIncomeFromInvestmentProperty
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration