Insurance Contracts - Additional Information (Details) ₩ in Millions	Dec. 31, 2025 KRW (₩)
Contractual service margin not related to contracts that existed at transition date to which modified retrospective approach or fair value approach has been applied [member]
Disclosure Of Insurance Contracts [Line Items]
Fair value approach	₩ 0

The amount of insurance contracts liability (asset). [Refer: Assets; Liabilities; Insurance contracts [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 17
-IssueDate 2025-01-01
-Paragraph 99
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_99_b&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_InsuranceContractsLiabilityAsset
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant