Loans and other financial assets at amortized cost - Changes in gross carrying amount of loans (Details) - KRW (₩)
₩ in Millions |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
₩ 486,850,601
|
|
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Ending balance |
549,165,419
|
₩ 486,850,601
|
|
| Loans and receivables, category [member] |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
386,173,471
|
|
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Ending balance |
399,842,717
|
386,173,471
|
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Stage 1 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
358,200,454
|
332,712,077
|
₩ 319,996,272
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
7,757,400
|
7,189,037
|
6,596,048
|
| Transfer to lifetime expected credit losses |
(11,456,718)
|
(12,640,575)
|
(11,761,808)
|
| Transfer to credit-impaired financial assets |
(1,432,051)
|
(1,263,664)
|
(886,332)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
(348)
|
(43,302)
|
(18,212)
|
| Net increase(decrease) |
11,717,130
|
32,246,881
|
18,784,965
|
| Changes due to business combinations |
6,461,752
|
|
1,144
|
| Ending balance |
371,247,619
|
358,200,454
|
332,712,077
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Lifetime expected credit losses | Stage 2 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
27,525,661
|
26,319,394
|
24,573,259
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(7,728,446)
|
(7,170,700)
|
(6,576,839)
|
| Transfer to lifetime expected credit losses |
11,512,184
|
12,677,927
|
11,806,797
|
| Transfer to credit-impaired financial assets |
(949,829)
|
(1,010,338)
|
(435,957)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
(15,053)
|
(117,654)
|
(1,210)
|
| Net increase(decrease) |
(4,138,814)
|
(3,172,968)
|
(3,046,656)
|
| Changes due to business combinations |
396,209
|
|
0
|
| Ending balance |
26,601,912
|
27,525,661
|
26,319,394
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Lifetime expected credit losses | Stage 3 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
2,553,657
|
1,752,281
|
1,369,465
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(28,954)
|
(18,337)
|
(19,209)
|
| Transfer to lifetime expected credit losses |
(55,466)
|
(37,352)
|
(44,989)
|
| Transfer to credit-impaired financial assets |
2,381,880
|
2,274,002
|
1,322,289
|
| Charge off |
(1,563,308)
|
(882,478)
|
(906,665)
|
| Disposal |
(1,386,867)
|
(1,428,227)
|
(696,948)
|
| Net increase(decrease) |
948,763
|
893,768
|
728,338
|
| Changes due to business combinations |
115,395
|
|
0
|
| Ending balance |
2,965,100
|
2,553,657
|
1,752,281
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Credit impairment model |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
1,147,147
|
768,487
|
313,717
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
0
|
0
|
0
|
| Transfer to lifetime expected credit losses |
0
|
0
|
0
|
| Transfer to credit-impaired financial assets |
0
|
0
|
0
|
| Charge off |
0
|
(622)
|
0
|
| Disposal |
(7,002)
|
(351,530)
|
(152,024)
|
| Net increase(decrease) |
(2,495)
|
730,812
|
606,794
|
| Changes due to business combinations |
0
|
|
0
|
| Ending balance |
1,137,650
|
1,147,147
|
768,487
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Consumers | Stage 1 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
141,003,546
|
132,812,981
|
131,328,377
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
4,548,877
|
4,575,673
|
4,038,074
|
| Transfer to lifetime expected credit losses |
(6,379,394)
|
(6,411,510)
|
(6,406,254)
|
| Transfer to credit-impaired financial assets |
(304,313)
|
(301,556)
|
(263,965)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
(149)
|
(43,168)
|
(63)
|
| Net increase(decrease) |
7,451,142
|
10,371,126
|
4,115,668
|
| Changes due to business combinations |
700,146
|
|
1,144
|
| Ending balance |
147,019,855
|
141,003,546
|
132,812,981
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Consumers | Lifetime expected credit losses | Stage 2 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
15,063,902
|
14,714,396
|
14,020,582
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(4,532,512)
|
(4,560,653)
|
(4,024,039)
|
| Transfer to lifetime expected credit losses |
6,407,932
|
6,439,154
|
6,422,979
|
| Transfer to credit-impaired financial assets |
(255,404)
|
(236,753)
|
(173,536)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
(3,986)
|
(45,410)
|
(491)
|
| Net increase(decrease) |
(1,505,776)
|
(1,246,832)
|
(1,531,099)
|
| Changes due to business combinations |
130,549
|
|
0
|
| Ending balance |
15,304,705
|
15,063,902
|
14,714,396
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Consumers | Lifetime expected credit losses | Stage 3 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
781,868
|
642,086
|
564,057
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(16,365)
|
(15,020)
|
(14,035)
|
| Transfer to lifetime expected credit losses |
(28,538)
|
(27,644)
|
(16,725)
|
| Transfer to credit-impaired financial assets |
559,717
|
538,309
|
437,501
|
| Charge off |
(277,324)
|
(262,651)
|
(301,995)
|
| Disposal |
(285,675)
|
(329,255)
|
(218,965)
|
| Net increase(decrease) |
184,053
|
236,043
|
192,248
|
| Changes due to business combinations |
14,436
|
|
0
|
| Ending balance |
932,172
|
781,868
|
642,086
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Corporates | Stage 1 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
206,025,023
|
188,612,028
|
179,552,435
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
2,780,117
|
2,276,379
|
2,214,045
|
| Transfer to lifetime expected credit losses |
(4,527,298)
|
(5,689,553)
|
(4,944,087)
|
| Transfer to credit-impaired financial assets |
(1,038,594)
|
(904,171)
|
(582,131)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
(199)
|
(134)
|
(18,149)
|
| Net increase(decrease) |
2,706,477
|
21,730,474
|
12,389,915
|
| Changes due to business combinations |
5,761,606
|
|
0
|
| Ending balance |
211,707,132
|
206,025,023
|
188,612,028
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Corporates | Lifetime expected credit losses | Stage 2 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
11,425,641
|
10,621,387
|
9,486,297
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(2,768,089)
|
(2,273,396)
|
(2,209,035)
|
| Transfer to lifetime expected credit losses |
4,552,830
|
5,698,302
|
4,971,596
|
| Transfer to credit-impaired financial assets |
(669,202)
|
(752,177)
|
(242,382)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
(11,067)
|
(72,244)
|
(719)
|
| Net increase(decrease) |
(2,632,204)
|
(1,796,231)
|
(1,384,370)
|
| Changes due to business combinations |
265,660
|
|
0
|
| Ending balance |
10,163,569
|
11,425,641
|
10,621,387
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Corporates | Lifetime expected credit losses | Stage 3 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
1,491,816
|
856,844
|
625,998
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(12,028)
|
(2,983)
|
(5,010)
|
| Transfer to lifetime expected credit losses |
(25,532)
|
(8,749)
|
(27,509)
|
| Transfer to credit-impaired financial assets |
1,707,796
|
1,656,348
|
824,513
|
| Charge off |
(899,536)
|
(329,506)
|
(298,665)
|
| Disposal |
(974,939)
|
(951,160)
|
(404,876)
|
| Net increase(decrease) |
329,175
|
271,022
|
142,393
|
| Changes due to business combinations |
100,959
|
|
0
|
| Ending balance |
1,717,711
|
1,491,816
|
856,844
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Credit card accounts | Stage 1 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
11,171,885
|
11,287,068
|
9,115,460
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
428,406
|
336,985
|
343,929
|
| Transfer to lifetime expected credit losses |
(550,026)
|
(539,512)
|
(411,467)
|
| Transfer to credit-impaired financial assets |
(89,144)
|
(57,937)
|
(40,236)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
0
|
0
|
0
|
| Net increase(decrease) |
1,559,511
|
145,281
|
2,279,382
|
| Changes due to business combinations |
0
|
|
0
|
| Ending balance |
12,520,632
|
11,171,885
|
11,287,068
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Credit card accounts | Lifetime expected credit losses | Stage 2 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
1,036,118
|
983,611
|
1,066,380
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(427,845)
|
(336,651)
|
(343,765)
|
| Transfer to lifetime expected credit losses |
551,422
|
540,471
|
412,222
|
| Transfer to credit-impaired financial assets |
(25,223)
|
(21,408)
|
(20,039)
|
| Charge off |
0
|
0
|
0
|
| Disposal |
0
|
0
|
0
|
| Net increase(decrease) |
(834)
|
(129,905)
|
(131,187)
|
| Changes due to business combinations |
0
|
|
0
|
| Ending balance |
1,133,638
|
1,036,118
|
983,611
|
| Loans and receivables, category [member] | Gross carrying amount [member] | Credit card accounts | Lifetime expected credit losses | Stage 3 |
|
|
|
| Reconciliation of changes in gross carrying amount of loans [Line Items] |
|
|
|
| Beginning balance |
279,973
|
253,351
|
179,410
|
| Changes in gross carrying amount of loans [Abstract] |
|
|
|
| Transfer to 12-month expected credit losses |
(561)
|
(334)
|
(164)
|
| Transfer to lifetime expected credit losses |
(1,396)
|
(959)
|
(755)
|
| Transfer to credit-impaired financial assets |
114,367
|
79,345
|
60,275
|
| Charge off |
(386,448)
|
(290,321)
|
(306,005)
|
| Disposal |
(126,253)
|
(147,812)
|
(73,107)
|
| Net increase(decrease) |
435,535
|
386,703
|
393,697
|
| Changes due to business combinations |
0
|
|
0
|
| Ending balance |
₩ 315,217
|
₩ 279,973
|
₩ 253,351
|