Fair value of financial assets and liabilities - Fair value and carrying amount of financial assets and liabilities that are recorded at amortized cost (Details) $ in Thousands, ₩ in Millions |
12 Months Ended |
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Dec. 31, 2025
KRW (₩)
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Dec. 31, 2024
KRW (₩)
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Dec. 31, 2025
USD ($)
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| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
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| Securities at amortized cost |
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₩ 18,707,459
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₩ 19,203,177
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$ 12,950,371
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| Loans and other financial assets at amortized cost |
|
412,495,783
|
[1] |
398,471,816
|
[1] |
285,553,136
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| Deposits due to customers |
|
376,580,845
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|
366,821,156
|
|
260,690,765
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| Borrowings |
|
34,183,267
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|
30,117,031
|
|
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| Debentures |
[2] |
55,583,392
|
|
48,207,103
|
|
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| Investment contract liabilities |
|
3,433,611
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|
0
|
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$ 2,376,942
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| Securities at amortized cost |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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| Securities at amortized cost |
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18,650,905
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19,146,951
|
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| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
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|
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|
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| Securities at amortized cost |
|
₩ 18,707,459
|
|
₩ 19,203,177
|
|
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| Disclosure of financial assets liabilities measured at amortised [Abstract] |
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| Fair value measurement methods |
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The fair value is measured by discounting the projected cash flows of debt securities by applying risk-free market rate with credit spread.
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The fair value is measured by discounting the projected cash flows of debt securities by applying risk-free market rate with credit spread.
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| Input variables |
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Risk-free market rate and credit spread
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Risk-free market rate and credit spread
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| Securities at amortized cost | Level 1 |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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| Securities at amortized cost |
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₩ 6,900,333
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₩ 3,242,384
|
|
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| Securities at amortized cost | Level 2 |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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| Securities at amortized cost |
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11,750,572
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15,894,576
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| Securities at amortized cost | Level 3 |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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| Securities at amortized cost |
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0
|
|
9,991
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| Loans and other financial assets at amortized cost |
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|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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|
|
|
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| Loans and other financial assets at amortized cost |
|
415,154,239
|
|
401,144,172
|
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| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Loans and other financial assets at amortized cost |
|
₩ 412,495,783
|
|
₩ 398,471,816
|
|
|
| Disclosure of financial assets liabilities measured at amortised [Abstract] |
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|
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| Fair value measurement methods |
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The fair value is measured by discounting the projected cash flows of loan products by applying the market discount rate that has been applied to a proxy company that has similar credit rating to the debtor.
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The fair value is measured by discounting the projected cash flows of loan products by applying the market discount rate that has been applied to a proxy company that has similar credit rating to the debtor.
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| Input variables |
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Risk-free market rate, credit spread and prepayment rate
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Risk-free market rate, credit spread and prepayment rate
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| Loans and other financial assets at amortized cost | Level 1 |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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| Loans and other financial assets at amortized cost |
|
₩ 0
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₩ 0
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|
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| Loans and other financial assets at amortized cost | Level 2 |
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|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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|
|
|
|
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| Loans and other financial assets at amortized cost |
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9,214,407
|
|
7,149,151
|
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| Loans and other financial assets at amortized cost | Level 3 |
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|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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| Loans and other financial assets at amortized cost |
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405,939,832
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|
393,995,021
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| Deposits due to customers |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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|
|
|
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| Deposits due to customers |
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376,725,914
|
|
367,128,451
|
|
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| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Deposits due to customers |
|
₩ 376,580,845
|
|
₩ 366,821,156
|
|
|
| Disclosure of financial assets liabilities measured at amortised [Abstract] |
|
|
|
|
|
|
| Fair value measurement methods |
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
|
| Input variables |
|
Risk-free market rate, credit spread and forward rate
|
|
Risk-free market rate, credit spread and forward rate
|
|
|
| Deposits due to customers | Level 1 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Deposits due to customers |
|
₩ 0
|
|
₩ 0
|
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| Deposits due to customers | Level 2 |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Deposits due to customers |
|
376,725,914
|
|
367,128,451
|
|
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| Deposits due to customers | Level 3 |
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|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Deposits due to customers |
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0
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0
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| Borrowings |
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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|
|
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| Borrowings |
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34,137,635
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30,055,266
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| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
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|
|
|
|
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| Borrowings |
|
₩ 34,183,267
|
|
₩ 30,117,031
|
|
|
| Disclosure of financial assets liabilities measured at amortised [Abstract] |
|
|
|
|
|
|
| Fair value measurement methods |
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
|
| Input variables |
|
Risk-free market rate, credit spread and forward rate
|
|
Risk-free market rate, credit spread and forward rate
|
|
|
| Borrowings | Level 1 |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Borrowings |
|
₩ 0
|
|
₩ 0
|
|
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| Borrowings | Level 2 |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
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|
|
|
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| Borrowings |
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33,953,026
|
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29,622,705
|
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| Borrowings | Level 3 |
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|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Borrowings |
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184,609
|
|
432,561
|
|
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| Debentures |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Debentures |
|
55,558,143
|
|
48,273,103
|
|
|
| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Debentures |
|
₩ 55,583,392
|
|
₩ 48,207,103
|
|
|
| Disclosure of financial assets liabilities measured at amortised [Abstract] |
|
|
|
|
|
|
| Fair value measurement methods |
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
|
| Input variables |
|
Risk-free market rate, credit spread and forward rate
|
|
Risk-free market rate, credit spread and forward rate
|
|
|
| Debentures | Level 1 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Debentures |
|
₩ 0
|
|
₩ 0
|
|
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| Debentures | Level 2 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Debentures |
|
54,302,059
|
|
48,273,103
|
|
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| Debentures | Level 3 |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Debentures |
|
1,256,084
|
|
₩ 0
|
|
|
| Investment contract liabilities |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Investment contract liabilities |
|
3,433,611
|
|
|
|
|
| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Investment contract liabilities |
|
₩ 3,433,611
|
|
|
|
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| Disclosure of financial assets liabilities measured at amortised [Abstract] |
|
|
|
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| Fair value measurement methods |
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Since it is difficult to derive reliable expected cash flows, the book value of the reserves calculated in accordance with the Insurance Business Act and the Insurance Supervisory Regulations was used as a proxy for fair value.
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Since it is difficult to derive reliable expected cash flows, the book value of the reserves calculated in accordance with the Insurance Business Act and the Insurance Supervisory Regulations was used as a proxy for fair value.
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| Investment contract liabilities | Level 1 |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Investment contract liabilities |
|
₩ 0
|
|
|
|
|
| Investment contract liabilities | Level 2 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Investment contract liabilities |
|
0
|
|
|
|
|
| Investment contract liabilities | Level 3 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Investment contract liabilities |
|
3,433,611
|
|
|
|
|
| Other financial liabilities |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Other financial liabilities |
|
37,405,453
|
[3] |
₩ 31,010,236
|
[4] |
|
| Carrying value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Other financial liabilities |
|
₩ 37,576,486
|
[3] |
₩ 31,786,960
|
[4] |
|
| Disclosure of financial assets liabilities measured at amortised [Abstract] |
|
|
|
|
|
|
| Fair value measurement methods |
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
The fair value is measured by discounting the projected cash flow of debt products by applying the market discount rate that is reflecting credit rating of the Group or the market discount rate used for similar in products.
|
|
|
| Input variables |
|
Risk-free market rate, credit spread and forward rate
|
|
Risk-free market rate, credit spread and forward rate
|
|
|
| Other financial liabilities | Level 1 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Other financial liabilities |
|
₩ 0
|
[3] |
₩ 0
|
[4] |
|
| Other financial liabilities | Level 2 |
|
|
|
|
|
|
| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
|
| Other financial liabilities |
|
36,473,258
|
[3] |
30,201,229
|
[4] |
|
| Other financial liabilities | Level 3 |
|
|
|
|
|
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| Fair value of financial assets liabilities measured at amortised cost [Abstract] |
|
|
|
|
|
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| Other financial liabilities |
|
₩ 932,195
|
[3] |
₩ 809,007
|
[4] |
|
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