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Contingencies and Commitments - Summary of Ongoing Litigations Related With Contingent Liabilities And Contingent Assets (Details) ₩ in Millions | Dec. 31, 2021 KRW (₩) | Dec. 31, 2020 KRW (₩)
--- | --- | ---
As the defendant |  |
Litigation Case [Line Items] |  |
Number of cases | 683 | 663
Claim amount | ₩ 689,415 | ₩ 550,535
As the plaintiff |  |
Litigation Case [Line Items] |  |
Number of cases | 284 | 200
Claim amount | ₩ 784,453 | ₩ 729,798

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