v3.26.1
Risk management - Maximum exposure to credit risk (Details)
$ in Thousands, ₩ in Millions
Dec. 31, 2025
KRW (₩)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
KRW (₩)
Categories of financial assets      
Loans and other financial assets at amortized cost ₩ 412,495,783 [1] $ 285,553,136 ₩ 398,471,816 [1]
Financial assets at FVTPL [2] 16,870,334   17,076,619
Financial assets at FVTOCI 82,071,637   42,922,671
Securities at amortized cost 18,707,459 12,950,371 19,203,177
Derivative assets 217,180 $ 150,345 175,191
Off balance sheet item      
Off-balance accounts 150,356,165   150,474,850
Total 680,718,558   628,324,324
Financial guarantee 5,032,808   4,156,790
Korean treasury and government agencies      
Categories of financial assets      
Loans and other financial assets at amortized cost [1] 538,314   229,126
Corporates      
Categories of financial assets      
Loans and other financial assets at amortized cost [1] 188,753,434   179,986,851
Banks      
Categories of financial assets      
Loans and other financial assets at amortized cost [1] 23,189,957   23,593,313
Consumers      
Categories of financial assets      
Loans and other financial assets at amortized cost [1] 200,014,078   194,662,526
Deposits      
Categories of financial assets      
Financial assets at FVTPL [2] 261,470   73,951
Debt securities      
Categories of financial assets      
Financial assets at FVTPL [2] 9,552,081   6,801,288
Loans      
Categories of financial assets      
Financial assets at FVTPL [2] 1,126,446   104,177
Derivative assets      
Categories of financial assets      
Financial assets at FVTPL [2] 5,774,203   10,094,532
Other financial assets      
Categories of financial assets      
Financial assets at FVTPL [2] 156,134   2,671
Debt securities and others at FVTOCI      
Categories of financial assets      
Financial assets at FVTOCI 82,071,637   42,922,671
Debt securities at amortized cost      
Categories of financial assets      
Securities at amortized cost 18,707,459   19,203,177
Derivative assets (Designated for hedging)      
Categories of financial assets      
Derivative assets 217,180   175,191
Payment Guarantees      
Off balance sheet item      
Off-balance accounts [3] 16,070,098   16,611,262
Loan commitments      
Off balance sheet item      
Off-balance accounts ₩ 134,286,067   ₩ 133,863,588
[1] Cash and cash equivalents are not included
[2] Puttable financial instruments are not included.
[3] As of December 31, 2024 and 2025, the financial guarantee amount of 4,156,790 million Won and 5,032,808 million Won are included, respectively.