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Other Financial Assets and Liabilities - Summary of Derivative Financial Assets and Liabilities (Parenthetical) (Detail)
₩ in Millions
Dec. 31, 2022
KRW (₩)
Interest Rate Benchmark Reform-Phase 2 [member]  
Disclosure of detailed information about financial instruments [line items]  
Nominal amount of hedging instruments in hedging relationships to which amendments for interest rate benchmark reform are applied ₩ 100,537