XML 158 R145.htm IDEA: XBRL DOCUMENT v3.26.1
Financial risk management - Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 (Details) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Level 2 | Financial asset at FVTPL    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 42,473,731 ₩ 39,897,328
Level 2 | Financial asset at FVTPL | Debt securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique DCF, NAV,Option model (*) DCF, NAV, Option model (*)
Carrying value ₩ 42,011,753 ₩ 39,833,051
Significant unobservable inputs and range Discount rate, interest rate, stock price, etc. Discount rate, interest rate, stock price, etc.
Level 2 | Financial asset at FVTPL | Equity securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique NAV,Option model (*) NAV
Carrying value ₩ 461,978 ₩ 64,277
Significant unobservable inputs and range Price of underlying assets such as stocks, bonds, etc., dividend yield Price of underlying assets such as stocks, bonds, etc.
Level 2 | Derivative assets    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 6,493,825 ₩ 9,474,641
Level 2 | Derivative assets | Trading    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique Option model (*), Implied forward interest rate,DCF Option model (*), Implied forward interest rate, DCF
Carrying value ₩ 5,876,734 ₩ 8,772,280
Significant unobservable inputs and range Discount rate, foreign exchange rate, volatility, stock price, commodity index, etc. Discount rate, foreign exchange rate, volatility, stock price, commodity index, etc.
Level 2 | Derivative assets | Hedging    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 617,091 ₩ 702,361
Level 2 | Securities at FVOCI    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 113,164,135 ₩ 105,403,285
Level 2 | Securities at FVOCI | Debt securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique DCF,Option model (*) DCF, Option model (*)
Carrying value ₩ 64,196,579 ₩ 56,031,316
Significant unobservable inputs and range Interest rate, discount rate, etc. Interest rate, discount rate, etc.
Level 3    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 21,398,102  
Level 3 | Financial asset at FVTPL    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 19,857,062 ₩ 18,632,327
Level 3 | Financial asset at FVTPL | Debt securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique DCF, NAV, Option model (*1), Income approach DCF, NAV, Option model (*1), Income approach
Carrying value ₩ 18,349,801 ₩ 17,217,401
Significant unobservable inputs and range The volatility of the underlying asset, Discount rate, Correlations, Growth rate, Interest rate volatility, Liquidation Value The volatility of the underlying asset, Discount rate, Correlations, Growth rate, Liquidation Value
Level 3 | Financial asset at FVTPL | Equity securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique DCF, NAV, Option model (*1), Comparable company analysis, Transaction case price, Dividend discount model (DDM), Cost method DCF, NAV, Option model (*1),Comparable company analysis, Transaction case price, Dividend discount model (DDM), Cost method
Carrying value ₩ 1,507,261 ₩ 1,414,926
Significant unobservable inputs and range The volatility of the underlying asset, Discount rate, Growth rate, Interest rate volatility, Liquidation Value The volatility of the underlying asset, Discount rate, Growth rate, Interest rate volatility
Level 3 | Derivative assets    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 596,229 ₩ 719,177
Level 3 | Derivative assets | Equity and foreign exchange related    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique Option model (*1) Option model (*1)
Carrying value ₩ 25,130 ₩ 125,445
Significant unobservable inputs and range The volatility of the underlying asset, Correlations The volatility of the underlying asset, Correlations
Level 3 | Derivative assets | Interest rates related    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 71,254 ₩ 85,141
Significant unobservable inputs and range The volatility of the underlying asset, Correlations The volatility of the underlying asset, Correlations
Level 3 | Derivative assets | Credit and commodity related    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 499,845 ₩ 508,591
Significant unobservable inputs and range The volatility of the underlying asset, Correlations, Hazard Rate The volatility of the underlying asset, Correlations, Hazard Rate
Level 3 | Securities at FVOCI    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Carrying value ₩ 944,811 ₩ 20,273,695
Level 3 | Securities at FVOCI | Debt securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique Option model (*1)  
Carrying value ₩ 9,139  
Significant unobservable inputs and range Discount rate, Interest rate volatility  
Level 3 | Securities at FVOCI | Equity securities    
Valuation techniques and inputs used in measuring the fair value of financial assets classified as level 2 & 3 [Line Items]    
Valuation technique DCF, NAV, Option model (*1), Comparable company analysis, Cost method DCF, NAV, Option model (*1),Comparable company analysis
Carrying value ₩ 935,672 ₩ 922,191
Significant unobservable inputs and range The volatility of the underlying asset, Discount rate, Growth rate, Interest rate volatility, Liquidation Value The volatility of the underlying asset, Discount rate, Growth rate,Interest rate volatility