XML 144 R131.htm IDEA: XBRL DOCUMENT v3.26.1
Financial risk management - Concentration by industry sector of financial instrument, net of allowance (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2025
Dec. 31, 2024
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net ₩ 715,198,707 ₩ 692,184,971
Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 501,633,507 487,523,988
Due from banks and loans at amortized cost | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 12,658,709 14,058,051
Due from banks and loans at amortized cost | Retail    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 208,308,298 199,809,576
Due from banks and loans at amortized cost | Government/Public sector/ Central bank    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 26,417,332 27,228,308
Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 226,554,125 218,713,457
Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 27,695,043 27,714,596
Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 1,456,116 1,915,396
Deposits and loans at FVTPL | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 169,972 134,609
Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 1,286,144 1,780,787
Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 71,727,860 67,134,121
Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,153,950 10,279,257
Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 101,282,906 92,016,210
Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 31,944,368 33,315,999
Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 26,221,968 22,509,195
Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 220,317,053 218,980,794
Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 246,539,021 241,489,989
Finance and insurance    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 155,648,429 152,116,226
Finance and insurance | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 61,101,394 63,104,471
Finance and insurance | Due from banks and loans at amortized cost | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 12,359,288 13,495,577
Finance and insurance | Due from banks and loans at amortized cost | Government/Public sector/ Central bank    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 26,140,603 27,042,097
Finance and insurance | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 22,523,203 22,485,184
Finance and insurance | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 78,300 81,613
Finance and insurance | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 616,340 894,745
Finance and insurance | Deposits and loans at FVTPL | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 40,862 35,450
Finance and insurance | Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 575,478 859,295
Finance and insurance | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 35,054,770 34,194,979
Finance and insurance | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 6,068,491 8,305,868
Finance and insurance | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 45,699,181 35,854,914
Finance and insurance | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,108,253 9,761,249
Finance and insurance | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 5,659,966 3,733,957
Finance and insurance | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 18,227,705 18,218,204
Finance and insurance | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 23,887,671 21,952,161
Manufacturing    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 70,255,732 70,470,804
Manufacturing | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 63,684,109 62,524,251
Manufacturing | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 63,353,165 62,200,259
Manufacturing | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 330,944 323,992
Manufacturing | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 399,668 391,667
Manufacturing | Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 399,668 391,667
Manufacturing | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 3,090,284 3,634,273
Manufacturing | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 829,304 1,263,951
Manufacturing | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 2,242,382 2,636,678
Manufacturing | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 9,985 19,984
Manufacturing | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 12,554,311 11,712,348
Manufacturing | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 31,211,151 34,199,306
Manufacturing | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 43,765,462 45,911,654
Retail and wholesale    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 25,914,599 26,064,007
Retail and wholesale | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 24,033,515 23,736,315
Retail and wholesale | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 23,759,226 23,447,863
Retail and wholesale | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 274,289 288,452
Retail and wholesale | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 3,004 301,658
Retail and wholesale | Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 3,004 301,658
Retail and wholesale | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 1,399,374 1,286,997
Retail and wholesale | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 13,573 26,101
Retail and wholesale | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 465,133 712,936
Retail and wholesale | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net   0
Retail and wholesale | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 3,633,251 3,548,909
Retail and wholesale | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 10,863,979 10,324,128
Retail and wholesale | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 14,497,230 13,873,037
Real estate and business    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 53,328,855 51,842,977
Real estate and business | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 47,487,103 47,174,940
Real estate and business | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 47,411,346 47,109,684
Real estate and business | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 75,757 65,256
Real estate and business | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 156,286 149,652
Real estate and business | Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 156,286 149,652
Real estate and business | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 3,087,667 2,149,229
Real estate and business | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 19,948 39,698
Real estate and business | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 1,733,913 1,790,042
Real estate and business | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 843,938 539,416
Real estate and business | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 290,565 92,172
Real estate and business | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 6,914,971 4,325,044
Real estate and business | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,205,536 4,417,216
Construction service    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,188,187 7,197,010
Construction service | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 5,813,211 5,460,846
Construction service | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 5,764,311 5,409,739
Construction service | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 48,900 51,107
Construction service | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 99,327 109,159
Construction service | Deposits and loans at FVTPL | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 99,327 99,159
Construction service | Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net   10,000
Construction service | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 242,695 304,020
Construction service | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 2,272 6,003
Construction service | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 749,831 1,056,603
Construction service | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 280,851 260,379
Construction service | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 214,178 179,255
Construction service | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 2,269,120 2,408,759
Construction service | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 2,483,298 2,588,014
Lodging and Restaurant    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,285,666 6,906,269
Lodging and Restaurant | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,233,718 6,756,129
Lodging and Restaurant | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 7,205,522 6,735,852
Lodging and Restaurant | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 28,196 20,277
Lodging and Restaurant | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 0 0
Lodging and Restaurant | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 29,279 136,364
Lodging and Restaurant | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 329 1,616
Lodging and Restaurant | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 22,340 12,160
Lodging and Restaurant | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 0  
Lodging and Restaurant | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 60,372 115,827
Lodging and Restaurant | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 444,003 531,832
Lodging and Restaurant | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 504,375 647,659
Others    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 161,739,649 152,081,489
Others | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 58,443,384 53,262,816
Others | Due from banks and loans at amortized cost | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 299,421 562,474
Others | Due from banks and loans at amortized cost | Government/Public sector/ Central bank    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 276,729 186,211
Others | Due from banks and loans at amortized cost | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 56,537,352 51,324,876
Others | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 1,329,882 1,189,255
Others | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 181,491 68,515
Others | Deposits and loans at FVTPL | Banks    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 29,783  
Others | Deposits and loans at FVTPL | Corporations    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 151,708 68,515
Others | Securities at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 28,823,791 25,428,259
Others | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 219,516 634,051
Others | Financial assets at FVOCI    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 50,370,126 49,952,877
Others | Securities at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 23,701,341 22,734,971
Others | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 3,808,447 3,113,748
Others | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 20,103,475 20,644,317
Others | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 23,911,922 23,758,065
Retail customers    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 233,837,590 225,506,189
Retail customers | Due from banks and loans at amortized cost    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 233,837,073 225,504,220
Retail customers | Due from banks and loans at amortized cost | Retail    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 208,308,298 199,809,576
Retail customers | Due from banks and loans at amortized cost | Card receivable    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 25,528,775 25,694,644
Retail customers | Deposits and loans at FVTPL    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 0 0
Retail customers | Derivative assets    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 517 1,969
Retail customers | Guarantees    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 878 12,979
Retail customers | Loan commitments and other liabilities related to credit    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net 130,282,649 128,329,204
Retail customers | Total    
Concentration by industry sector of financial instrument, net of allowance [Line Items]    
Financial assets, net ₩ 130,283,527 ₩ 128,342,183