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Derivatives (Tables)
12 Months Ended
Dec. 31, 2025
Disclosure of detailed information about hedges [abstract]  
Notional amounts of derivatives
  (a)
The notional amounts of derivatives outstanding as of December 31, 2024 and 2025 are as follows:
 
    
2024
    
2025
 
Foreign currency related:
     
Over the counter:
     
Currency forwards
  
W
167,805,176        186,552,883  
Currency swaps
     59,641,567        68,522,136  
Currency options
     2,182,530        3,410,253  
  
 
 
    
 
 
 
     229,629,273        258,485,272  
Exchange traded:
     
Currency futures
     1,534,764        1,982,556  
  
 
 
    
 
 
 
     231,164,037        260,467,828  
  
 
 
    
 
 
 
Interest rates related:
     
Over the counter:
     
Interest rate forwards and swaps
     57,169,341        65,847,009  
Interest rate options
     825,057        926,000  
  
 
 
    
 
 
 
     57,994,398        66,773,009  
Exchange traded:
     
Interest rate futures
     4,875,687        3,962,031  
Interest rate swaps (*)
     142,194,805        175,593,544  
  
 
 
    
 
 
 
     147,070,492        179,555,575  
  
 
 
    
 
 
 
     205,064,890        246,328,584  
  
 
 
    
 
 
 
Credit related:
     
Over the counter:
     
Credit swaps
     4,231,106        5,079,897  
Total return swaps
     809,987        841,964  
  
 
 
    
 
 
 
     5,041,093        5,921,861  
  
 
 
    
 
 
 
Equity related:
     
Over the counter:
     
Equity swaps and forwards
     5,975,657        2,811,480  
Equity options
     2,923,962        2,283,749  
  
 
 
    
 
 
 
     8,899,619        5,095,229  
Exchange traded:
     
Equity futures
     1,600,342        1,357,692  
Equity options
     452,322        492,549  
  
 
 
    
 
 
 
     2,052,664        1,850,241  
  
 
 
    
 
 
 
     10,952,283        6,945,470  
  
 
 
    
 
 
 
 
    
2024
    
2025
 
Commodity related:
     
Over the counter:
     
Commodity swaps and forwards
     2,121,686        1,698,190  
Exchange traded:
     
Commodity futures
     172,899        249,235  
  
 
 
    
 
 
 
     2,294,585        1,947,425  
  
 
 
    
 
 
 
Hedge:
     
Currency forwards
     4,345,149        3,713,759  
Currency swaps
     7,993,851        9,059,479  
Interest rate forwards and swaps
     13,219,417        13,612,757  
Equity options
     18,750        —   
  
 
 
    
 
 
 
     25,577,167        26,385,995  
  
 
 
    
 
 
 
  
W
480,094,055        547,997,163  
  
 
 
    
 
 
 
 
(*)
The notional amounts of derivatives outstanding that are to be settled in the ‘Central Counter Party (CCP)’system.
Fair value of derivative instruments
  (b)
Fair values of derivatives as of December 31, 2024 and 2025 are as follows:
 
    
2024
    
2025
 
    
Assets
    
Liabilities
    
Assets
    
Liabilities
 
Foreign currency related:
           
Over the counter:
           
Currency forwards
  
W
5,731,971        3,887,398        3,384,263        2,215,089  
Currency swaps
     2,299,084        3,823,249        1,703,067        2,625,865  
Currency options
     24,230        25,700        9,043        18,497  
  
 
 
    
 
 
    
 
 
    
 
 
 
     8,055,285        7,736,347        5,096,373        4,859,451  
Exchange traded:
           
Currency futures
     1,527        828        107        3,365  
  
 
 
    
 
 
    
 
 
    
 
 
 
     8,056,812        7,737,175        5,096,480        4,862,816  
  
 
 
    
 
 
    
 
 
    
 
 
 
Interest rates related:
           
Over the counter:
           
Interest rate forwards and swaps
     734,284        859,402        817,433        754,732  
Interest rate options
     1,157        28,907        —         29,468  
  
 
 
    
 
 
    
 
 
    
 
 
 
     735,441        888,309        817,433        784,200  
Exchange traded:
           
Interest rate futures
     2,929        675        1,605        808  
  
 
 
    
 
 
    
 
 
    
 
 
 
     738,370        888,984        819,038        785,008  
  
 
 
    
 
 
    
 
 
    
 
 
 
 
    
2024
    
2025
 
    
Assets
    
Liabilities
    
Assets
    
Liabilities
 
Credit related:
           
Over the counter:
           
Credit swaps
     40,325        5,208        40,643        7,187  
Total return swaps
     467,352        4,556        458,469        6,510  
  
 
 
    
 
 
    
 
 
    
 
 
 
     507,677        9,764        499,112        13,697  
  
 
 
    
 
 
    
 
 
    
 
 
 
Equity related:
           
Over the counter:
           
Equity swap and forwards
     96,841        137,399        43,121        48,500  
Equity options
     95,173        112,088        5,880        17,480  
  
 
 
    
 
 
    
 
 
    
 
 
 
     192,014        249,487        49,001        65,980  
Exchange traded:
           
Equity futures
     1,228        13,302        10,401        663  
Equity options
     66,177        4,274        43,595        24,835  
  
 
 
    
 
 
    
 
 
    
 
 
 
     67,405        17,576        53,996        25,498  
  
 
 
    
 
 
    
 
 
    
 
 
 
     259,419        267,063        102,997        91,478  
  
 
 
    
 
 
    
 
 
    
 
 
 
Commodity related:
           
Over the counter:
           
Commodity swaps and forwards
     914        129,833        11,044        110,854  
Exchange traded:
           
Commodity futures
     13,704        3,642        8,188        8,550  
  
 
 
    
 
 
    
 
 
    
 
 
 
     14,618        133,475        19,232        119,404  
  
 
 
    
 
 
    
 
 
    
 
 
 
Hedge:
           
Currency forwards
     12,100        213,015        18,997        176,304  
Currency swaps
     539,015        181,413        521,120        344,888  
Interest rate forwards and swaps
     151,246        623,702        76,974        627,251  
Equity options
     —         3,941        —         —   
  
 
 
    
 
 
    
 
 
    
 
 
 
     702,361        1,022,071        617,091        1,148,443  
  
 
 
    
 
 
    
 
 
    
 
 
 
  
W
10,279,257        10,058,532        7,153,950        7,020,846  
  
 
 
    
 
 
    
 
 
    
 
 
 
Gain or loss on valuation of derivatives
  (c)
Gains or losses on valuation of derivatives for the years ended December 31, 2023, 2024 and 2025 are as follows:
 
    
2023
   
2024
   
2025
 
Foreign currency related:
      
Over the counter:
      
Currency forwards
  
W
36,890       1,734,704       273,413  
Currency swaps
     135,712       (1,739,525     (28,745
Currency options
     1,355       4,392       7,388  
  
 
 
   
 
 
   
 
 
 
     173,957       (429     252,056  
Exchange traded:
      
Currency futures
     (955     804       (3,258
  
 
 
   
 
 
   
 
 
 
     173,002       375       248,798  
  
 
 
   
 
 
   
 
 
 
Interest rates related:
      
Over the counter:
      
Interest rate forwards and swaps
     181,987       115,234       187,839  
Interest rate options
     (2,886     (2,413     1,476  
  
 
 
   
 
 
   
 
 
 
     179,101       112,821       189,315  
Exchange traded:
      
Interest rate futures and others
     (9,511     2,253       152  
  
 
 
   
 
 
   
 
 
 
     169,590       115,074       189,467  
  
 
 
   
 
 
   
 
 
 
Credit related:
      
Over the counter:
      
Credit swaps
     53,042       44,223       (5,507
Total return swaps
     —        —        9,912  
  
 
 
   
 
 
   
 
 
 
     53,042       44,223       4,405  
  
 
 
   
 
 
   
 
 
 
Equity related:
      
Over the counter:
      
Equity swap and forwards
     (19,934     (61,607     30,008  
Equity options
     (159,324     28,708       6,807  
  
 
 
   
 
 
   
 
 
 
     (179,258     (32,899     36,815  
Exchange traded:
      
Equity futures
     50,009       (12,093     9,935  
Equity options
     (13,929     1,085       (5,036
  
 
 
   
 
 
   
 
 
 
     36,080       (11,008     4,899  
  
 
 
   
 
 
   
 
 
 
     (143,178     (43,907     41,714  
  
 
 
   
 
 
   
 
 
 
 
    
2023
    
2024
   
2025
 
Commodity related:
       
Over the counter:
       
Commodity swaps and forwards
     37,027        (43,643     26,502  
Commodity options
     1,516        —        —   
  
 
 
    
 
 
   
 
 
 
     38,543        (43,643     26,502  
Exchange traded:
       
Commodity futures
     1,484        10,062       (362
  
 
 
    
 
 
   
 
 
 
     40,027        (33,581     26,140  
  
 
 
    
 
 
   
 
 
 
Hedge
     327,016        242,379       (264,572
  
 
 
    
 
 
   
 
 
 
  
W
619,499        324,563       245,952  
  
 
 
    
 
 
   
 
 
 
Gain or loss on fair value hedges
  i)
The amounts recognized in profit or loss and the related account categories arising from hedging ineffectiveness of fair value hedges for the years ended December 31, 2023, 2024 and 2025 are as follows:
 
    
2023
 
    
Gains and losses on hedged
items designated in fair
value hedges
   
Gains and losses on hedging
instruments designated as
fair value hedges
   
Hedging ineffectiveness
recognized in profit
or loss (*2)
 
Fair value hedges:
      
Interest rate risk (*1)
  
W
(271,425     282,835       11,410  
Foreign exchange risk (*1)
     4,102       (5,264     (1,162
  
 
 
   
 
 
   
 
 
 
  
W
(267,323     277,571       10,248  
  
 
 
   
 
 
   
 
 
 
 
    
2024
 
    
Gains and losses on hedged
items designated in fair
value hedges
   
Gains and losses on hedging
instruments designated as
fair value hedges
   
Hedging ineffectiveness
recognized in profit
or loss (*2)
 
Fair value hedges:
      
Interest rate risk (*1)
  
W
(45,264     42,787       (2,477
Foreign exchange risk (*1)
     44,094       (46,382     (2,288
Other price risk (*1)
     (1,548     1,109       (439
  
 
 
   
 
 
   
 
 
 
  
W
(2,718     (2,486     (5,204
  
 
 
   
 
 
   
 
 
 
 
    
2025
 
    
Gains and losses on hedged
items designated in fair
value hedges
   
Gains and losses on hedging
instruments designated as
fair value hedges
    
Hedging ineffectiveness
recognized in profit or
loss (*2)
 
Fair value hedges:
       
Interest rate risk (*1)
  
W
(120,061     138,277        18,216  
Foreign exchange risk (*1)
     278       14,686        14,964  
Other price risk (*1)
     (4,357     3,941        (416
  
 
 
   
 
 
    
 
 
 
  
W
(124,140     156,904        32,764  
  
 
 
   
 
 
    
 
 
 
(*1)
The related account categories are presented in the amounts of interest rate swap assets and liabilities, currency forward assets and liabilities, and equity option liabilities.
(*2)
Hedging ineffectiveness represents the difference between the changes in fair value of the hedging instruments and the hedged items.
Due to the ineffectiveness of hedge of cash flow risk and hedge of net investment in foreign operations during the year
  ii)
Due to the hedging ineffectiveness of cash flow risk and net investment in foreign operations for the years ended December 31, 2023, 2024 and 2025, the amounts recognized in the profit or loss and other comprehensive income are as follows:
 
    
2023
 
    
Gains (losses) on hedges
recognized in other
comprehensive income
   
Hedging ineffectiveness
recognized in profit or
loss (*2)
   
Amounts reclassified from
cash flow hedge reserve to
profit or loss
 
Cash flow hedges:
      
Interest rate risk (*1)
  
W
99,268       (512     (1,760
Foreign exchange risk (*1)
     (10,294     (7,069     (25,698
Discontinuation of
cash flow hedges
     (5,531     —        14,659  
Hedge of net investments:
      
Foreign exchange risk (*1)
     (3,903     3,673       —   
  
 
 
   
 
 
   
 
 
 
  
W
79,540       (3,908     (12,799
  
 
 
   
 
 
   
 
 
 
 
    
2024
 
    
Gains (losses) on hedges
recognized in other
comprehensive income
   
Hedging ineffectiveness
recognized in profit or
loss (*2)
   
Amounts reclassified from
cash flow hedge reserve to
profit or loss
 
Cash flow hedges:
      
Interest rate risk (*1)
  
W
89,293       (5,034     (151
Foreign exchange risk (*1)
     2,548       (6,184     210,424  
Discontinuation of
cash flow hedges
     (39,621     —        47,957  
Hedge of net investments:
      
Foreign exchange risk (*1)
     (221,221     (1,191     —   
  
 
 
   
 
 
   
 
 
 
  
W
(169,001     (12,409     258,230  
  
 
 
   
 
 
   
 
 
 
 
    
2025
 
    
Gains (losses) on hedges
recognized in other
comprehensive income
   
Hedging ineffectiveness
recognized in profit or
loss (*2)
   
Amounts reclassified from
cash flow hedge reserve to
profit or loss
 
Cash flow hedges:
      
Interest rate risk (*1)
  
W
(209,145     (8,743     1,567  
Foreign exchange risk (*1)
     (35,688     2,776       (160,443
Discontinuation of
cash flow hedges
     1,532       —        (28
Hedge of net investments:
      
Foreign exchange risk (*1)
     59,096       21,422       —   
  
 
 
   
 
 
   
 
 
 
  
W
(184,205     15,455       (158,904
  
 
 
   
 
 
   
 
 
 
 
(*1)
The related account categories are presented in the amounts of interest rate swap assets and liabilities, currency forward assets and liabilities and borrowings.
(*2)
Hedging ineffectiveness represents the difference between the changes in fair value of the hedging instruments and the hedged items.
Nominal amounts and average hedge ratios for hedging instruments
  (e)
Effect of hedge accounting on the consolidated financial statements, statement of comprehensive income, statement of changes in equity
 
  i)
Hedging purpose and strategy
The Group transacts with derivative financial instruments to hedge its interest rate risk, currency risk and stock price fluctuation risk arising from the assets and liabilities of the Group. The Group applies the fair value hedge accounting for the changes in the market interest rates, foreign exchange rates and stock price of the Korean won structured notes, foreign currency financial debentures, Korean won structured deposits, foreign currency investment receivables and beneficiary securities in foreign currency; and cash flow hedge accounting for forward interest rate, interest rate swaps, forward currency and currency swaps to hedge cash flow risk due to interest rates and foreign exchange rates of the Korean won debt, foreign currency debt, foreign currency structured deposits, the Korean won bonds and foreign currency bonds, etc. In addition, in order to hedge the exchange rate risk of the net investment in overseas business, the Group applies the net investment hedge accounting for foreign operations using currency forward and
non-derivative
financial instruments.
 
  ii)
The notional amounts and the average hedge ratios for hedging instruments as of December 31, 2024 and 2025 are as follows:
 
 
 
2024
 
 
 
1 year

or less
 
 
1~2

years
 
 
2~3

years
 
 
3~4

years
 
 
4~5

years
 
 
More than 5
years
 
 
Total
 
Interest rate risk:
             
Notional values:
 
W
910,440       2,621,365       1,943,818       2,350,027       1,161,927       4,231,840       13,219,417  
Average price condition (*1)
    3.43     3.07     4.08     4.82     4.17     3.60     3.82
Average hedge ratio:
    100     100     100     100     100     100     100
Exchange risk: (*2)
             
Notional values:
 
W
4,319,632       2,421,806       3,072,483       2,870,442       1,059,147       447,703       14,191,213  
Average hedge ratio:
    100     100     100     100     100     100     100
Other price risk: (*3)
             
Notional values:
 
W
—        —        18,750       —        —        —        18,750  
Average hedge ratio:
    —        —        100     —        —        —        100
 
  (*1)
Interest rate swaps consist of 3M CD, USD SOFR, 3M Euribor, and 3M AUD Bond.
 
 
  (*2)
The average exchange rates of net investment hedge instruments are USD/KRW 1,280.52, JPY/KRW 9.25, EUR/KRW 1,402.37, GBP/KRW 1,561.57, AUD/KRW 892.94, CAD/KRW 991.06, CNY/KRW 189.50, SEK/KRW 127.54.
  (*3)
The equity option, which has an exercise price of
W
324,027.
 
 
 
2025
 
 
 
1 year

or less
 
 
1~2

years
 
 
2~3

years
 
 
3~4

years
 
 
4~5

years
 
 
More than 5
years
 
 
Total
 
Interest rate risk:
             
Notional values:
 
W
2,485,060       2,219,475       2,553,701       2,008,399       450,481       3,895,641       13,612,757  
Average price condition (*1)
    1.86     1.60     1.75     1.73     1.14     0.42     1.34
Average hedge ratio:
    100     100     100     100     100     100     100
Exchange risk: (*2)
             
Notional values:
 
W
4,344,598       3,288,511       3,353,841       1,941,689       992,587       747,109       14,668,335  
Average hedge ratio:
    100     100     100     100     100     100     100
 
  (*1)
Interest rate swaps consist of 3M CD, USD SOFR, 3M USD Libor, 3M Euribor, 3M AUD Bond and 3M JPY TONAR.
  (*2)
The average exchange rates of net investment hedge instruments are USD/KRW
1,307.41
, JPY/KRW
9.43
, EUR/KRW
1,487.33
, GBP/KRW
1,568.02
, AUD/KRW
896.37
, CAD/KRW
999.37
and SEK/KRW
131.64
.
Effect of derivatives on statement financial position, statement of comprehensive income, statement of changes in equity
  iii)
The effect of hedging derivatives on the consolidated statements of financial position, comprehensive income, and changes in equity as of December 31, 2023, 2024 and 2025 is as follows:
 
    
2023
 
    
Notional
amount
    
Carrying
amount of assets
(*)
    
Carrying amount
of liabilities (*)
    
Changes in fair
value in the
period
 
Fair value hedges
           
Interest rate forward and swap
  
W
10,112,789        65,787        614,219        246,594  
Currency forward
     308,117        2,949        791        (327
Cash flow hedges
           
Interest rate swap
     2,356,791        53,830        90,676        99,442  
Currency swap
     4,448,030        111,024        99,093        (21,649
Currency forward
     1,150,734        12,593        30,925        2,170  
Hedge of net investments in foreign operations
           
Currency forward
     683,382        6,038        2,776        4,537  
Borrowings
     1,466,795        —         1,462,329        (4,767
 
    
2024
 
    
Notional
amount
    
Carrying
amount of assets
(*)
    
Carrying amount
of liabilities (*)
    
Changes in fair
value in the
period
 
Fair value hedges
           
Interest rate forward and swap
  
W
10,347,033        57,685        579,563        42,787  
Currency forward
     429,939        —         39,395        (46,382
Equity options
     18,750        —         3,941        1,109  
Cash flow hedges
           
Interest rate swap
     2,872,383        93,562        44,139        60,694  
Currency swap
     7,993,851        539,015        181,413        314,114  
Currency forward
     1,723,440        2,087        138,694        (104,727
Hedge of net investments in foreign operations
           
Currency forward
     2,191,770        10,013        34,926        (41,071
Borrowings
     1,852,212        —         1,848,316        (181,341
 
    
2025
 
    
Notional
amount
    
Carrying
amount of assets
(*)
    
Carrying amount
of liabilities (*)
    
Changes in fair
value in the
period
 
Fair value hedges
           
Interest rate forward and swap
  
W
10,339,461        45,898        431,007        138,277  
Currency forward
     434,282        1,079        14,708        14,686  
Equity options
     —         —         —         3,941  
Cash flow hedges
           
Interest rate swap
     3,273,296        31,076        196,244        (214,598
Currency swap
     9,059,478        521,120        344,888        (218,169
Currency forward
     1,898,541        1,104        161,596        34,038  
Hedge of net investments in foreign operations
           
Currency forward
     1,380,935        16,814        —         51,154  
Borrowings
     1,895,100        —         1,891,783        29,364  
 
  (*)
The related account categories are presented as interest rate swap assets / liabilities and currency forward assets / liabilities etc.
Effect of hedging items on statement financial position, statement of comprehensive income, statement of changes in equity
  iv)
The effect of hedged items on the consolidated statements of financial position, comprehensive income, and changes in equity as of December 31, 2023, 2024 and 2025 is as follows:
 
   
2023
 
   
Carrying
amount of
assets (*)
   
Carrying
amount of
liabilities
(*)
   
Assets of
Cumulative
fair value
hedge
adjustment
   
Liabilities of
Cumulative
fair value
hedge
adjustment
   
Changes of
fair value
in the year
   
Cash flow
hedge
reserve
   
Foreign
currency
translation
reserves
 
Fair value hedges
             
Interest rate risk Borrowings and others
 
W
685,340       9,224,390       41,643       (579,315     (240,965     —        —   
Foreign exchange risk Securities in foreign currency
    544,706       —        —        —        1,313       —        —   
Other price risk Loans
    5,809       —        (1,548     —        (1,548     —        —   
Cash flow hedges
             
Interest rate risk Debentures in won and debentures in foreign currency
    641,750       1,029,542       —        —        (11,068     26,648       —   
Foreign exchange risk Debentures in foreign currency and loans in foreign currency
    2,490,098       2,342,230       —        —        69,784       (17,812     —   
Hedge of net investments in foreign operations
             
Foreign exchange risk Net assets in foreign operation
    —        —        —        —        3,903       —        (36,931
   
2024
 
   
Carrying
amount of
assets (*)
   
Carrying
amount of
liabilities
(*)
   
Assets of
Cumulative
fair value
hedge
adjustment
   
Liabilities of
Cumulative
fair value
hedge
adjustment
   
Changes of
fair value
in the year
   
Cash flow
hedge
reserve
   
Foreign
currency
translation
reserves
 
Fair value hedges
             
Interest rate risk Borrowings and others
 
W
996,275       9,167,678       11,271       (540,967     (45,264     —        —   
Foreign exchange risk Securities in foreign currency
    480,273       —        —        —        44,094       —        —   
Other price risk Loans
    5,809       —        (1,548     —        (1,548     —        —   
Cash flow hedges
             
Interest rate risk Debentures in won and debentures in foreign currency
    357,441       749,708       —        —        (3,449     25,943       —   
Foreign exchange risk Debentures in foreign currency and loans in foreign currency
    2,971,800       5,045,127       —        —        773,828       (8,638     —   
Hedge of net investments in foreign operations
             
Foreign exchange risk Net assets in foreign operation
    —        —        —        —        221,221       —        184,291  
 
   
2025
 
   
Carrying
amount of
assets (*)
   
Carrying
amount of
liabilities
(*)
   
Assets of
Cumulative
fair value
hedge
adjustment
   
Liabilities of
Cumulative
fair value
hedge
adjustment
   
Changes of
fair value
in the year
   
Cash flow
hedge
reserve
   
Foreign
currency
translation
reserves
 
Fair value hedges
             
Interest rate risk Borrowings and others
 
W
1,217,304       8,984,247       (7,991     (373,328     (120,061     —        —   
Foreign exchange risk Securities in foreign currency
    380,113       —        —        —        278       —        —   
Other price risk Loans
    —        —        (5,905     —        (4,357     —        —   
Cash flow hedges
             
Interest rate risk Debentures in won and debentures in foreign currency
    438,011       349,941       —        —        2,303       (187,801     —   
Foreign exchange risk Debentures in foreign currency and loans in foreign currency
    3,629,809       6,030,836       —        —        234,512       (57,429     —   
Hedge of net investments in foreign operations
             
Foreign exchange risk Net assets in foreign operation
    —        —        —        —        (59,096     —        125,194  
 
  (*)
The related account categories are presented in the amounts of borrowings, bonds, and others.