Contingencies and Commitments - Summary of Ongoing Litigations Related With Contingent Liabilities And Contingent Assets (Details) ₩ in Millions	Dec. 31, 2024 KRW (₩)	Dec. 31, 2023 KRW (₩)
As the defendant
Litigation Case [Line Items]
Number of cases	722	666
Claim amount	₩ 884,402	₩ 805,227
As the plaintiff
Litigation Case [Line Items]
Number of cases	264	268
Claim amount	₩ 769,772	₩ 571,593

The amount of the estimated financial effect of contingent liabilities. [Refer: Classes of contingent liabilities [domain]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2024-01-01
-Paragraph 86
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_86_a&doctype=Standard
-URIDate 2024-03-27

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