XML 293 R280.htm IDEA: XBRL DOCUMENT v3.26.1
Equity - Accumulated other comprehensive income (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accumulated other comprehensive income [Line Items]      
Beginning balance ₩ (1,824,440) ₩ (1,074,453) ₩ (1,910,750)
Change due to fair value (448,451) (1,645,009) 888,183
Reclassification:      
Change due to impairment or disposal (46,631) 119,001 474,619
Effect of hedge accounting (27,149) (582,424) (69,484)
Hedging (176,318) 383,053 120,980
Effects from changes in foreign exchange rate (199,186) 629,914 5,178
Remeasurements of the net defined benefit plans (181) (83,937) (272,792)
Deferred income taxes 244,402 433,737 (302,295)
Transfer to other account 830 (2,673) (4,297)
Non-controlling interests 2,311 (1,649) (3,795)
Ending balance (2,474,813) (1,824,440) (1,074,453)
Gain (loss) on securities at FVOCI      
Accumulated other comprehensive income [Line Items]      
Beginning balance (2,482,668) (3,628,434) (6,786,650)
Change due to fair value (2,181,955) 1,465,249 3,862,277
Reclassification:      
Change due to impairment or disposal (47,293) 119,594 465,343
Effect of hedge accounting 0 0 0
Hedging (19,262) (30,371) (28,044)
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes 648,218 (407,849) (1,137,032)
Transfer to other account 0 0 0
Non-controlling interests 1,716 (857) (4,328)
Ending balance (4,081,244) (2,482,668) (3,628,434)
Equity in other comprehensive income (loss) of associates      
Accumulated other comprehensive income [Line Items]      
Beginning balance 5,692 (979) (8,135)
Change due to fair value (24,731) 16,732 9,738
Reclassification:      
Change due to impairment or disposal 662 0 0
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate 1,107 (7,668) 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes 6,226 (2,393) (2,582)
Transfer to other account 0 0 0
Non-controlling interests 0 0 0
Ending balance (11,044) 5,692 (979)
Foreign currency translation adjustments for foreign operations      
Accumulated other comprehensive income [Line Items]      
Beginning balance 296,489 (118,517) (112,283)
Change due to fair value 0 0 0
Reclassification:      
Change due to impairment or disposal 0 (593) 0
Effect of hedge accounting 0 0 0
Hedging 59,096 (221,221) (3,903)
Effects from changes in foreign exchange rate (199,597) 624,565 2,316
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes (3,787) 13,431 (4,658)
Transfer to other account 0 0 0
Non-controlling interests 338 (1,176) 11
Ending balance 152,539 296,489 (118,517)
Net gain (loss) from cash flow hedges      
Accumulated other comprehensive income [Line Items]      
Beginning balance 3,406 (35,108) (96,388)
Change due to fair value 0 0 0
Reclassification:      
Change due to impairment or disposal 0 0 0
Effect of hedge accounting (27,149) (582,424) (69,484)
Hedging (216,152) 634,645 152,927
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes 70,198 (13,707) (22,163)
Transfer to other account 0 0 0
Non-controlling interests 0 0 0
Ending balance (169,697) 3,406 (35,108)
Net finance Income (expense) on insurance contract assets (liabilities)      
Accumulated other comprehensive income [Line Items]      
Beginning balance 532,388 2,866,623 5,039,081
Change due to fair value 1,748,614 (3,171,476) (2,961,019)
Reclassification:      
Change due to impairment or disposal 0 0 0
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes (479,728) 837,241 788,561
Transfer to other account 0 0 0
Non-controlling interests 0 0 0
Ending balance 1,801,274 532,388 2,866,623
Remeasure-ments of the defined benefit plans      
Accumulated other comprehensive income [Line Items]      
Beginning balance (354,087) (292,328) (91,993)
Change due to fair value 0 0 0
Reclassification:      
Change due to impairment or disposal 0 0 0
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans (181) (83,937) (272,792)
Deferred income taxes 5,505 21,794 71,935
Transfer to other account 0 0 0
Non-controlling interests 257 384 522
Ending balance (348,506) (354,087) (292,328)
Net finance Income (expense) on reinsurance contract assets (liabilities)      
Accumulated other comprehensive income [Line Items]      
Beginning balance 11,750 13,273 34,045
Change due to fair value (211,730) (2,077) (28,283)
Reclassification:      
Change due to impairment or disposal 0 0 0
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes 58,047 554 7,511
Transfer to other account 0 0 0
Non-controlling interests 0 0 0
Ending balance (141,933) 11,750 13,273
Equity in other comprehensive income (expense) of associates      
Accumulated other comprehensive income [Line Items]      
Beginning balance 9 9 9
Change due to fair value 0 0 0
Reclassification:      
Change due to impairment or disposal 0 0 0
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes 0 0 0
Transfer to other account 0 0 0
Non-controlling interests 0 0 0
Ending balance 9 9 9
Gain (loss) on securities at FVOCI      
Accumulated other comprehensive income [Line Items]      
Beginning balance 168,150 124,892 116,719
Change due to fair value 225,514 55,179 1,459
Reclassification:      
Change due to impairment or disposal 0 0 4,199
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate (696) 13,017 2,862
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes (61,788) (17,609) (3,402)
Transfer to other account (2,923) (7,329) 3,055
Non-controlling interests 0 0 0
Ending balance 328,257 168,150 124,892
Gain (loss) on financial liabilities designated at FVTPL attributable to changes in credit risk      
Accumulated other comprehensive income [Line Items]      
Beginning balance (5,569) (3,884) (5,155)
Change due to fair value (4,163) (8,616) 4,011
Reclassification:      
Change due to impairment or disposal 0 0 5,077
Effect of hedge accounting 0 0 0
Hedging 0 0 0
Effects from changes in foreign exchange rate 0 0 0
Remeasurements of the net defined benefit plans 0 0 0
Deferred income taxes 1,511 2,275 (465)
Transfer to other account 3,753 4,656 (7,352)
Non-controlling interests 0 0 0
Ending balance ₩ (4,468) ₩ (5,569) ₩ (3,884)