v3.26.1
Premises And Equipment - Details of changes in premises and equipment(owned) (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance ₩ 2,791,642 ₩ 2,793,077 ₩ 2,777,847
Changes in property plant and equipment [Abstract]      
Acquisitions 327,534 221,856 164,722
Disposals (37,068) (11,516) (19,144)
Depreciation (166,509) (155,843) (151,064)
Classification of assets held for sale (107,479) (38,423) (2,504)
Transfer (9,997) (42,344) 2,098
Foreign currencies translation adjustments (3,680) 10,405 1,374
Business combination 396,718 1,283 19,378
Others (328) 13,147 370
Ending balance 3,190,833 2,791,642 2,793,077
Land      
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance 1,662,448 1,709,712 1,695,357
Changes in property plant and equipment [Abstract]      
Acquisitions 27,841 215 43
Disposals (998) (7,602) (367)
Depreciation 0 0 0
Classification of assets held for sale (78,582) (26,007) (936)
Transfer 57,009 (22,991) 5,445
Foreign currencies translation adjustments (1,267) 1,876 638
Business combination 316,698 0 9,530
Others 0 7,245 2
Ending balance 1,983,149 1,662,448 1,709,712
Building      
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance 683,221 719,738 730,676
Changes in property plant and equipment [Abstract]      
Acquisitions 30,287 27,919 18,107
Disposals (1,262) 0 (530)
Depreciation (34,865) (33,905) (33,318)
Classification of assets held for sale (28,897) (12,416) (1,568)
Transfer (3,612) (19,353) (3,347)
Foreign currencies translation adjustments (498) 726 322
Business combination 64,224 0 9,530
Others (63) 512 (134)
Ending balance 708,535 683,221 719,738
Equipment and vehicles      
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance 305,581 265,064 261,278
Changes in property plant and equipment [Abstract]      
Acquisitions 159,726 125,793 112,908
Disposals (2,087) (2,358) (13,630)
Depreciation (106,372) (99,634) (96,684)
Classification of assets held for sale 0 0 0
Transfer 7,751 6,440 0
Foreign currencies translation adjustments (1,432) 4,409 296
Business combination 15,135 1,283 318
Others (1,085) 4,584 578
Ending balance 377,217 305,581 265,064
Leasehold improvements      
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance 71,952 61,369 58,352
Changes in property plant and equipment [Abstract]      
Acquisitions 29,173 29,714 24,874
Disposals (1,366) (1,556) (1,017)
Depreciation (25,270) (22,304) (21,062)
Classification of assets held for sale 0 0 0
Transfer 1,342 853 0
Foreign currencies translation adjustments (434) 3,061 186
Business combination 546 0 0
Others 15 815 36
Ending balance 75,958 71,952 61,369
Construction in progress      
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance 68,440 37,194 32,184
Changes in property plant and equipment [Abstract]      
Acquisitions 80,507 38,215 8,790
Disposals (31,355) 0 (3,600)
Depreciation 0 0 0
Classification of assets held for sale 0 0 0
Transfer (72,587) (7,293) 0
Foreign currencies translation adjustments (49) 333 (68)
Business combination 0 0 0
Others 805 (9) (112)
Ending balance 45,761 68,440 37,194
Structures      
Reconciliation of changes in property plant and equipment [Abstract]      
Beginning balance 0 0 0
Changes in property plant and equipment [Abstract]      
Acquisitions 0 0 0
Disposals 0 0 0
Depreciation (2) 0 0
Classification of assets held for sale 0 0 0
Transfer 100 0 0
Foreign currencies translation adjustments 0 0 0
Business combination 115 0 0
Others 0 0 0
Ending balance ₩ 213 ₩ 0 ₩ 0