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Contingencies and Commitments - Summary of Ongoing Litigations Related With Contingent Liabilities And Contingent Assets (Details)
₩ in Millions
Dec. 31, 2022
KRW (₩)
Dec. 31, 2021
KRW (₩)
As the defendant    
Litigation Case [Line Items]    
Number of cases 653 683
Claim amount ₩ 981,878 ₩ 689,415
As the plaintiff    
Litigation Case [Line Items]    
Number of cases 238 284
Claim amount ₩ 599,809 ₩ 784,453