Premises And Equipment - Details of changes in right-of-use assets (Details) - KRW (₩) ₩ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Reconciliation of changes in right-of-use assets [abstract] | |||
| Beginning balance | ₩ 578,943 | ₩ 383,682 | ₩ 365,083 |
| Changes in right-of-use assets [abstract] | |||
| New contracts | 201,562 | 366,340 | 210,810 |
| Changes in contract | 59,727 | 80,700 | 25,708 |
| Termination | (26,278) | (19,114) | (16,987) |
| Depreciation | (272,179) | (243,307) | (213,365) |
| Business combination | 47,573 | 1,202 | 946 |
| Others | 636 | 9,440 | 11,487 |
| Ending balance | 589,984 | 578,943 | 383,682 |
| Building | |||
| Reconciliation of changes in right-of-use assets [abstract] | |||
| Beginning balance | 557,049 | 362,702 | 349,494 |
| Changes in right-of-use assets [abstract] | |||
| New contracts | 175,229 | 353,531 | 192,111 |
| Changes in contract | 59,921 | 80,622 | 25,570 |
| Termination | (24,869) | (17,579) | (15,340) |
| Depreciation | (258,847) | (230,345) | (201,232) |
| Business combination | 45,256 | 1,129 | 675 |
| Others | 409 | 6,989 | 11,424 |
| Ending balance | 554,148 | 557,049 | 362,702 |
| Equipment and vehicles | |||
| Reconciliation of changes in right-of-use assets [abstract] | |||
| Beginning balance | 21,894 | 20,980 | 15,589 |
| Changes in right-of-use assets [abstract] | |||
| New contracts | 26,333 | 12,809 | 18,699 |
| Changes in contract | (194) | 78 | 138 |
| Termination | (1,409) | (1,535) | (1,647) |
| Depreciation | (13,332) | (12,962) | (12,133) |
| Business combination | 2,317 | 73 | 271 |
| Others | 227 | 2,451 | 63 |
| Ending balance | ₩ 35,836 | ₩ 21,894 | ₩ 20,980 |