Contingencies and Commitments - Summary of Ongoing Litigations Related With Contingent Liabilities And Contingent Assets (Details) ₩ in Millions	Dec. 31, 2023 KRW (₩)	Dec. 31, 2022 KRW (₩)
As the defendant
Litigation Case [Line Items]
Number of cases	666	653
Claim amount	₩ 805,227	₩ 981,878
As the plaintiff
Litigation Case [Line Items]
Number of cases	268	238
Claim amount	₩ 571,593	₩ 599,809

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2023-01-01
-Paragraph 86
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86_a&doctype=Standard
-URIDate 2023-03-23

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