v3.26.1
Investments in joint ventures and associates - Reconciliations from the net assets of associates based on the ownership ratio to corresponding book value of investment in joint ventures and associates (Details)
$ in Thousands, ₩ in Millions
12 Months Ended
Dec. 31, 2025
KRW (₩)
Dec. 31, 2024
KRW (₩)
Dec. 31, 2023
KRW (₩)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2022
KRW (₩)
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 37,859,248 ₩ 35,895,269 ₩ 33,397,490 $ 26,208,335 $ 24,848,754 ₩ 31,627,342
Book value 2,080,008 1,748,810 1,795,370 $ 1,439,900   1,305,636
W Service Networks Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 4,122 ₩ 4,146 ₩ 4,391      
Ownership 4.90% 4.90% 4.90%      
Ownership portion of net assets ₩ 204 ₩ 204 ₩ 216      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 204 204 216     208
Korea Credit Bureau Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 122,133 ₩ 88,314 ₩ 62,408      
Ownership 9.90% 9.90% 9.90%      
Ownership portion of net assets ₩ 12,107 ₩ 8,755 ₩ 6,186      
Basis difference 247 246 247      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 12,354 9,001 6,433     5,709
Korea Finance Security Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 25,549 ₩ 24,105 ₩ 21,898      
Ownership 15.00% 15.00% 15.00%      
Ownership portion of net assets ₩ 3,832 ₩ 3,616 ₩ 3,285      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 3,832 3,616 3,285     2,374
K BANK Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset [1] ₩ 2,081,003 ₩ 2,018,704 ₩ 1,893,785      
Ownership [1] 12.00% 12.00% 12.60%      
Ownership portion of net assets [1] ₩ 248,878 ₩ 241,429 ₩ 238,158      
Basis difference [1] 20,822 20,821 21,894      
Impairment [1] 0 0 0      
Intercompany transaction [1] 0 0 0      
Book value 269,700 [1] 262,250 [1] 260,052 [1]     247,789
Partner One Value Up I Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 8,645 ₩ 9,128 ₩ 13,889      
Ownership 23.30% 23.30% 23.30%      
Ownership portion of net assets ₩ 2,010 ₩ 2,123 ₩ 3,230      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 2,010 2,123 3,230     4,278
IBK KIP Seongjang Dideemdol 1st Private Investment Limited Partnership            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 6,174 ₩ 11,309 ₩ 41,228      
Ownership 20.00% 20.00% 20.00%      
Ownership portion of net assets ₩ 1,235 ₩ 2,263 ₩ 8,247      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 1,235 2,263 8,247     10,285
Crevisse Raim Impact 1st Startup Venture Specialist Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 15,647 ₩ 15,645 ₩ 15,654      
Ownership 25.00% 25.00% 25.00%      
Ownership portion of net assets ₩ 3,912 ₩ 3,911 ₩ 3,914      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 718 621 523      
Book value 4,630 4,532 4,437     4,355
LOTTE CARD Co.,Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset [1] ₩ 2,953,104 ₩ 2,877,907 ₩ 2,936,964      
Ownership [1] 20.00% 20.00% 20.00%      
Ownership portion of net assets [1] ₩ 590,619 ₩ 575,580 ₩ 587,392      
Basis difference [1] 0 0 0      
Impairment [1] 0 0 0      
Intercompany transaction [1] 0 0 0      
Book value 590,619 [1] 575,580 [1] 587,392 [1]     514,131
Union Technology Finance Investment Association            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 31,253 ₩ 39,628 ₩ 41,310      
Ownership 29.70% 29.70% 29.70%      
Ownership portion of net assets ₩ 9,283 ₩ 11,770 ₩ 12,270      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 9,283 11,770 12,270     14,462
Orient Shipyard Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ (16,606) [1] ₩ (16,601) ₩ (16,517)      
Ownership 22.70% [1] 22.70% 22.70%      
Ownership portion of net assets ₩ (3,774) [1] ₩ (3,773) ₩ (3,754)      
Basis difference 0 [1] 0 0      
Impairment 0 [1] 0 0      
Intercompany transaction 3,774 [1] 3,773 3,754      
Book value 0 [1] 0 0      
Win Mortgage Co.,LTd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 2,242 ₩ 2,980 ₩ 2,321      
Ownership 4.50% 4.50% 4.50%      
Ownership portion of net assets ₩ 101 ₩ 135 ₩ 105      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 101 135 105      
Samsung Together Korea IPPF private securities investment trust 3 [Equity-FoFs]            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 11,083 ₩ 10,848        
Ownership 100.00% 100.00%        
Ownership portion of net assets ₩ 11,082 ₩ 10,847        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 11,082 10,847 10,540      
BTS 2nd Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 41,218 ₩ 38,999 ₩ 24,193      
Ownership 20.00% 20.00% 20.00%      
Ownership portion of net assets ₩ 8,244 ₩ 7,799 ₩ 4,838      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 8,244 7,799 4,838     2,881
STASSETS FUND III            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 43,951 ₩ 39,497 ₩ 29,702      
Ownership 28.30% 28.30% 28.30%      
Ownership portion of net assets ₩ 12,439 ₩ 11,178 ₩ 8,406      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 12,439 11,178 8,406     1,230
SF CREDIT PARTNERS, LLC            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 184,869 ₩ 154,711 ₩ 123,161      
Ownership 10.00% 10.00% 10.00%      
Ownership portion of net assets ₩ 18,487 ₩ 15,470 ₩ 12,316      
Basis difference 529 0 0      
Impairment 0 0 0      
Intercompany transaction 0 530 529      
Book value 19,016 ₩ 16,000 12,845      
Ulsan Yeocheon Development Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 403          
Ownership 50.00% 0.00%        
Ownership portion of net assets ₩ 201          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 201          
Japanese Hotel Real Estate Private Equity Fund No.2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 13,571 ₩ 14,122 ₩ 13,529      
Ownership 19.90% 19.90% 19.90%      
Ownership portion of net assets ₩ 2,696 ₩ 2,810 ₩ 2,688      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 (5) 0      
Book value 2,696 2,805 2,688     2,855
Woori Seoul Beltway Private Special Asset Fund No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 79,717 ₩ 64,305 ₩ 50,360      
Ownership 25.00% 25.00% 25.00%      
Ownership portion of net assets ₩ 19,929 ₩ 16,076 ₩ 12,590      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 19,929 16,076 12,590      
Woori Smart General Private Equity Investment Trust 1(bond)Woori Asset Global Partnership Fund No.5            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 141,837          
Ownership 28.60%          
Ownership portion of net assets ₩ 40,525          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 40,525          
Woori General Private Securities Investment Trust No. 5 (bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 210,045          
Ownership 28.60%          
Ownership portion of net assets ₩ 60,013          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 60,013 ₩ 60,024        
Woori Big Satisfaction General Private Securities Investment Trust No. 3 (bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 117,082          
Ownership 8.70% 9.10%        
Ownership portion of net assets ₩ 10,172          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 10,172 ₩ 10,493        
Woori General Private Securities Investment Trust No. 6 (bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 143,197          
Ownership 28.60%          
Ownership portion of net assets ₩ 40,914          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 40,914          
Woori General Private Securities Investment Trust No. 8 (Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 139,442          
Ownership 28.60% 0.00%        
Ownership portion of net assets ₩ 39,840          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 39,840          
Woori Smart General Private Equity Investment Trust No.1(bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 139,754 ₩ 142,484        
Ownership 28.40% 28.40%        
Ownership portion of net assets ₩ 39,703 ₩ 40,477        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 39,703 40,477        
WOORI TAERIM 1st Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 3,862 ₩ 3,862 ₩ 3,862      
Ownership 25.60% 25.60% 25.60%      
Ownership portion of net assets ₩ 988 ₩ 988 ₩ 988      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 988 988 988     988
Woori FirstValue Private Real Estate Fund No.2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 1,754 ₩ 4,724 ₩ 4,667      
Ownership 12.00% 12.00% 12.00%      
Ownership portion of net assets ₩ 212 ₩ 567 ₩ 560      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 212 ₩ 567 560      
Woori Global Secondary Private Placement Investment Trust No. 2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 92,051          
Ownership 12.00% 0.00%        
Ownership portion of net assets ₩ 11,011          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 11,011          
Woori Big Satisfaction Corporation MMF No. 1 (Government Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 4,195,688          
Ownership 0.70% 0.00%        
Ownership portion of net assets ₩ 30,645          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 30,645          
Woori GS West Street Strategic Solutions General Type Private Special Asset Investment Trust No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 118,352          
Ownership 25.00% 0.00%        
Ownership portion of net assets ₩ 29,588          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 29,588          
Woori PGIF4 General Type Private Special Asset Investment Trust No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 124,249          
Ownership 20.00% 0.00%        
Ownership portion of net assets ₩ 24,850          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 24,850          
Australia Green Energy 1st PEF            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 137,435 ₩ 132,854 ₩ 121,430      
Ownership 4.00% 4.00% 4.00%      
Ownership portion of net assets ₩ 5,445 ₩ 5,264 ₩ 4,811      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 5,445 5,264 4,811     4,858
Aarden Woori Apparel 1st Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 19,660 ₩ 19,994 ₩ 28,129      
Ownership 0.50% 0.50% 0.50%      
Ownership portion of net assets ₩ 93 ₩ 95 ₩ 133      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 93 95 133     97
Woori Dyno 1st Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 18,503 ₩ 14,532 ₩ 12,025      
Ownership 19.60% 19.60% 19.60%      
Ownership portion of net assets ₩ 3,628 ₩ 2,849 ₩ 2,358      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 3,628 2,849 2,358     1,994
NH Woori Dino Co-Investment NO.2 Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 42,764 ₩ 39,366        
Ownership 4.80% 5.10%        
Ownership portion of net assets ₩ 2,035 ₩ 1,996        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 2,035 1,996        
KCLAVIS NPL Investment Trust NO 1-2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 47,780 ₩ 42,977        
Ownership 35.90% 35.90%        
Ownership portion of net assets ₩ 17,146 ₩ 15,422        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 17,146 ₩ 15,422        
Capstone Special Restructuring Private Investment Trust No.4            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 32,745          
Ownership 46.20% 0.00%        
Ownership portion of net assets ₩ 15,113          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 15,113          
KTB-KORUS FUND            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 2,018 ₩ 4,772 ₩ 8,956      
Ownership 37.50% 37.50% 37.50%      
Ownership portion of net assets ₩ 757 ₩ 1,789 ₩ 3,359      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 757 1,789 3,359      
KTBN Venture Fund No.8            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 4,734 ₩ 7,032 ₩ 11,551      
Ownership 21.70% 21.70% 21.70%      
Ownership portion of net assets ₩ 1,029 ₩ 1,529 ₩ 2,511      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 1,029 1,529 2,511      
KTBN Digital Contents Korea Fund No.9            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 7,271 ₩ 16,687 ₩ 18,658      
Ownership 30.00% 30.00% 30.00%      
Ownership portion of net assets ₩ 2,181 ₩ 5,006 ₩ 5,597      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 2,181 5,006 5,597      
KTBN Media Contents Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 1,361 ₩ 1,029 ₩ 1,887      
Ownership 15.00% 15.00% 15.00%      
Ownership portion of net assets ₩ 204 ₩ 154 ₩ 283      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 204 154 283      
KTB China Synergy Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 119,780 ₩ 125,819 ₩ 135,487      
Ownership 15.10% 15.10% 15.10%      
Ownership portion of net assets ₩ 18,039 ₩ 18,949 ₩ 20,405      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 18,039 18,949 20,405      
KTBN Venture Fund No.13            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 149,126 ₩ 79,862 ₩ 72,206      
Ownership 19.60% 19.60% 19.60%      
Ownership portion of net assets ₩ 29,240 ₩ 15,659 ₩ 14,158      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 29,240 15,659 14,158      
KTBN Future Contents Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 22,546 ₩ 31,448 ₩ 34,210      
Ownership 13.30% 13.30% 13.30%      
Ownership portion of net assets ₩ 3,006 ₩ 4,193 ₩ 4,561      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 3,006 4,193 4,561      
KTBN Venture Fund No.16            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 190,957 ₩ 154,565 ₩ 180,975      
Ownership 10.30% 10.30% 10.30%      
Ownership portion of net assets ₩ 19,585 ₩ 15,853 ₩ 18,561      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 19,585 15,853 18,561      
KTBN Venture Fund No.18            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 211,281 ₩ 251,478 ₩ 265,911      
Ownership 10.10% 10.10% 10.10%      
Ownership portion of net assets ₩ 21,429 ₩ 25,506 ₩ 26,970      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 21,429 25,506 26,970      
KB-KTB Technology Venture Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 46,512 ₩ 51,424 ₩ 41,800      
Ownership 18.20% 18.20% 18.20%      
Ownership portion of net assets ₩ 8,457 ₩ 9,350 ₩ 7,600      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 8,457 9,350 7,600      
WOORI 2022 Scaleup Venture Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 261,716 ₩ 88,930        
Ownership 20.00% 20.00%        
Ownership portion of net assets ₩ 52,411 ₩ 17,809        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 52,411 17,809 13,578      
WOORI 2022 Start-up Venture Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 38,691 ₩ 42,415        
Ownership 30.10% 30.10%        
Ownership portion of net assets ₩ 11,652 ₩ 12,773        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 11,652 12,773 2,433      
Chirochem            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 564 ₩ 366 ₩ 357      
Ownership 28.60% 28.60% 28.60%      
Ownership portion of net assets ₩ 161 ₩ 104 ₩ 102      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value ₩ 161 104 102      
Godo Kaisha Oceanos 1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 15,368 ₩ 16,687      
Ownership 47.80% 47.80% 47.80%      
Ownership portion of net assets   ₩ 7,347 ₩ 7,978      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   0 0      
Book value   7,347 7,978     8,788
KG Fashion Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ (792) ₩ (649) ₩ (463)      
Ownership 20.80% 20.80% 20.80%      
Ownership portion of net assets ₩ (164) ₩ (135) ₩ (96)      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 164 135 96      
Book value 0 ₩ 0 0      
Woori NH Co-Growth Private Equity Fund I            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 30,947          
Ownership 20.00%          
Ownership portion of net assets ₩ 6,189          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 6,189          
Healthcare Investmetnt Fund [Member]            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 10,197          
Ownership 28.80%          
Ownership portion of net assets ₩ 2,941          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 2,941          
Woori Productive Financing Education Infrastructure General Private Special Asset Investment Trust No1 [Member]            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 0          
Ownership 14.60%          
Ownership portion of net assets ₩ 0          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 0          
Woori 2025 Secondary Fund [Member]            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 30,785          
Ownership 20.00% 0.00%        
Ownership portion of net assets ₩ 6,157          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 6,157          
AIP NMC Venture Fund No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 7,438          
Ownership 26.80% 0.00%        
Ownership portion of net assets ₩ 1,997          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 1,997 ₩ 0        
Lux-Mason Innovation Technology Fund#2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 6,490          
Ownership 23.10% 0.00%        
Ownership portion of net assets ₩ 1,498          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 1,498 ₩ 0        
Woori Future Energy Private Special Asset Investment Trust(General) No.1 [Member]            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 0 ₩ 0        
Ownership 16.00% 16.00%        
Ownership portion of net assets ₩ 0 ₩ 0        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 0 0        
KUM HWA Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ (163) ₩ (163) ₩ (163)      
Ownership 20.10% 20.10% 20.10%      
Ownership portion of net assets ₩ (33) ₩ (33) ₩ (33)      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 33 33 33      
Book value 0 0 0      
Jinmyung Plus Co.,Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 47 ₩ 40 ₩ 65      
Ownership 21.30% 21.30% 21.30%      
Ownership portion of net assets ₩ 11 ₩ 9 ₩ 14      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 11 9 14     10
MARKET&FARM CO.,LTD.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ (104) ₩ 52        
Ownership 23.70% 23.70%        
Ownership portion of net assets ₩ (25) ₩ 12        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 25 (12)        
Book value 0 0        
Genesis Eco No.1 Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 38,013 ₩ 37,421 ₩ 37,750      
Ownership 29.00% 29.00% 29.00%      
Ownership portion of net assets ₩ 11,018 ₩ 10,847 ₩ 10,942      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 11,018 10,847 10,942     11,216
Paratus Woori Material Component Equipment joint venture company            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 27,060 ₩ 55,905 ₩ 56,788      
Ownership 29.90% 29.90% 29.90%      
Ownership portion of net assets ₩ 8,090 ₩ 16,714 ₩ 16,979      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 8,090 16,714 16,979     17,250
Midas No. 8 Private Equity Joint Venture Company            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 63,089 ₩ 63,915 ₩ 64,821      
Ownership 28.50% 28.50% 28.50%      
Ownership portion of net assets ₩ 17,971 ₩ 18,207 ₩ 18,465      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 17,971 18,207 18,465     18,713
Orchestra Private Equity Fund IV            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 34,038 ₩ 34,113 ₩ 33,919      
Ownership 28.20% 28.20% 28.20%      
Ownership portion of net assets ₩ 9,588 ₩ 9,610 ₩ 9,555      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 9,588 9,610 9,555     9,698
Synaptic Green No.1 PEF            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 42,971 ₩ 35,618 ₩ 36,150      
Ownership 21.10% 21.10% 21.10%      
Ownership portion of net assets ₩ 9,047 ₩ 7,499 ₩ 7,611      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 9,047 7,499 7,611     7,793
IGEN2022No. 1 Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 24,197 ₩ 32,089        
Ownership 24.80% 24.80%        
Ownership portion of net assets ₩ 6,012 ₩ 7,972        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 6,012 7,972 7,983     8,010
PCC-Woori LP Secondary Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 20,795 ₩ 22,263 ₩ 27,105      
Ownership 38.80% 38.90% 38.90%      
Ownership portion of net assets ₩ 8,068 ₩ 8,648 ₩ 10,530      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 70 0 0      
Book value 8,138 8,648 10,530     12,984
Synaptic Future Growth Private Equity Fund 1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 34,043 ₩ 32,343 ₩ 29,748      
Ownership 23.80% 23.80% 23.80%      
Ownership portion of net assets ₩ 8,089 ₩ 7,685 ₩ 7,069      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 8,089 7,685 7,069      
Woorinara Short-Term Bond Securities Investment Trust (Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 596,863          
Ownership 6.80%          
Ownership portion of net assets ₩ 40,280          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 40,280 0        
Woori Together TDF 2025            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 22,523 ₩ 14,470        
Ownership 17.20% 24.70%        
Ownership portion of net assets ₩ 3,866 ₩ 3,577        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 3,866 3,577       1,990
Woori Together TDF 2030            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 29,206 ₩ 16,808 ₩ 11,894      
Ownership 17.30% 22.20% 28.00%      
Ownership portion of net assets ₩ 5,058 ₩ 3,724 ₩ 3,324      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 5,058 3,724 3,324     2,033
Woori Together TDF 2035            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 55,471 ₩ 15,296        
Ownership 4.30% 22.50%        
Ownership portion of net assets ₩ 2,396 ₩ 3,448        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value 2,396 3,448        
Woori Together TDF 2040            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 21,964          
Ownership 20.40%          
Ownership portion of net assets ₩ 4,481          
Basis difference 0          
Impairment 0          
Intercompany transaction (44)          
Book value 4,437          
Woori Oncorp Corporate support of Major Industry General Type Private Investment Trust 2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 124,718 ₩ 171,980        
Ownership 4.40% 2.30%        
Ownership portion of net assets ₩ 5,516 ₩ 4,019        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 (8)        
Book value 5,516 4,011        
Woori-Q Corporate Restructuring Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 97,927 ₩ 99,953 ₩ 62,809      
Ownership 34.30% 34.60% 32.40%      
Ownership portion of net assets ₩ 33,589 ₩ 34,619 ₩ 20,283      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction (566) (612) 0      
Book value 33,023 34,007 20,283     27,536
Woori Eugene Energy Link Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 72,531          
Ownership 7.90%          
Ownership portion of net assets ₩ 5,699          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 5,699          
Woori IMM Green Net Zero Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 43,919          
Ownership 23.60%          
Ownership portion of net assets ₩ 10,370          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 10,370          
NH Woori Newdeal Growth Alpha Private Equity Fund 1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 180,342 ₩ 163,812 ₩ 98,627      
Ownership 33.00% 32.90% 32.70%      
Ownership portion of net assets ₩ 59,513 ₩ 53,948 ₩ 32,987      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 1,889 1,591 0      
Book value 61,402 ₩ 55,539 32,987      
Woori BIG SATISFACTION SHINJONG MMF 3RD            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 2,046,370          
Ownership 6.40% 2.30%        
Ownership portion of net assets ₩ 130,389          
Basis difference 0          
Impairment 0          
Intercompany transaction 0          
Book value 130,389 ₩ 41,984        
Woori-Shinyoung Growth-Cap Private Equity Fund I            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 102,733 ₩ 84,356 ₩ 95,743      
Ownership 35.00% 35.00% 35.00%      
Ownership portion of net assets ₩ 35,957 ₩ 29,499 ₩ 33,481      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 367 197 0      
Book value 36,324 29,696 33,481     43,274
NH Woori New deal Co-Investment No.1 Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 18,979 ₩ 29,128        
Ownership 19.50% 19.50%        
Ownership portion of net assets ₩ 3,692 ₩ 5,680        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 (476)        
Book value 3,692 5,204        
Woori Real Estate Investment No. 1 Limited Liability Company            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 177,609 ₩ 170,787        
Ownership 19.90% 19.90%        
Ownership portion of net assets ₩ 35,274 ₩ 33,919        
Basis difference 0 0        
Impairment 0 0        
Intercompany transaction 0 0        
Book value ₩ 35,274 ₩ 33,919        
Together-Korea Government Private Pool Private Securities Investment Trust No.3            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 10,542      
Ownership     100.00%      
Ownership portion of net assets     ₩ 10,540      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     10,540     10,243
Dicustody Co., Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 92      
Ownership     1.00%      
Ownership portion of net assets     ₩ 1      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     1     1
Joongang Network Solution Co.,Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ (1,651)      
Ownership     25.30%      
Ownership portion of net assets     ₩ (419)      
Basis difference     0      
Impairment     0      
Intercompany transaction     507      
Book value     88      
Rea Company            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ (1,488)      
Ownership 26.10% 26.10% 24.50%      
Ownership portion of net assets     ₩ (365)      
Basis difference     0      
Impairment     0      
Intercompany transaction     365      
Book value     0      
ARAM CMC Co.,Ltd.            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 88 ₩ 184      
Ownership 20.10% 20.10% 20.00%      
Ownership portion of net assets   ₩ 18 ₩ 37      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   (18) (37)      
Book value   0 0      
Woori General Private Securities Investment Trust(Bond) No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 206,746      
Ownership     25.00%      
Ownership portion of net assets     ₩ 51,686      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     51,686      
Woori Short-term Bond Securities Investment Trust(Bond) ClassC-F            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 701,914      
Ownership     15.00%      
Ownership portion of net assets     ₩ 105,564      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     105,564     112,025
Woori Safe Plus General Type Private Investment Trust S-8(Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 113,407      
Ownership     9.10%      
Ownership portion of net assets     ₩ 10,330      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     10,330     10,182
Woori General Private Securities Investment Trust(Bond) No.2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 113,040      
Ownership     27.30%      
Ownership portion of net assets     ₩ 30,829      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     30,829      
Woori Smart General Private Equity Investment Trust 1(bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 146,240 ₩ 143,973      
Ownership 28.60% 28.60% 28.60%      
Ownership portion of net assets   ₩ 41,825 ₩ 41,135      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   (42) 0      
Book value ₩ 40,525 41,783 41,135      
Woori General Private Securities Investment Trust(Bond) No.3            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 184,330      
Ownership     27.80%      
Ownership portion of net assets     ₩ 51,205      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     51,205      
Woori Asset Global Partnership Fund No. 5            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 130,253 ₩ 95,294 ₩ 38,256      
Ownership 57.70% 57.70% 57.70%      
Ownership portion of net assets ₩ 75,146 ₩ 54,985 ₩ 22,071      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 (8) 0      
Book value ₩ 75,146 54,977 22,071      
Portone-Cape Fund No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 800 ₩ 2,224      
Ownership 0.00% 20.00% 20.00%      
Ownership portion of net assets   ₩ 160 ₩ 445      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   0 0      
Book value   160 445     464
DeepDive WOORI 2022-1 Financial Investment Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 10,381      
Ownership     11.90%      
Ownership portion of net assets     ₩ 1,236      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     1,236      
Darwin Green Packaging Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 19,115 ₩ 19,128 ₩ 19,390      
Ownership 20.40% 20.40% 20.40%      
Ownership portion of net assets ₩ 3,901 ₩ 3,904 ₩ 3,957      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 3,901 3,904 3,957     3,945
Koreawide partners 2nd Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 70,658 ₩ 72,132 ₩ 72,133      
Ownership 26.70% 26.70% 26.70%      
Ownership portion of net assets ₩ 18,842 ₩ 19,235 ₩ 19,235      
Basis difference 0 0 0      
Impairment 0 0 0      
Intercompany transaction 0 0 0      
Book value 18,842 19,235 19,235     20,000
Woori G Real Infrastructure Blind General Type Private Placement Investment Trust            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 114,817      
Ownership     0.10%      
Ownership portion of net assets     ₩ 55      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     55     102
Woori BIG2 Plus Securities Investment Trust (Balanced Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 16,625      
Ownership     14.10%      
Ownership portion of net assets     ₩ 2,543      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     2,543     1,074
Woori Together OCIO Target Return Feeder fund (Balance Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 50,837      
Ownership     20.40%      
Ownership portion of net assets     ₩ 10,376      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     10,376      
Woori Zip 1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 12,746      
Ownership     62.40%      
Ownership portion of net assets     ₩ 7,629      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     7,629     8,690
Woori Zip 2            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 17,630      
Ownership     62.80%      
Ownership portion of net assets     ₩ 10,695      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     10,695     12,180
JC Assurance No.2 Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset ₩ 120,525 ₩ 120,550 ₩ 121,588      
Ownership 23.40% 23.40% 23.50%      
Ownership portion of net assets ₩ 28,240 ₩ 28,246 ₩ 28,610      
Basis difference 0 0 0      
Impairment (28,240) (28,246) (28,610)      
Intercompany transaction 0 0 0      
Book value ₩ 0 0 0      
IGEN2023No. 1 Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 32,131      
Ownership     24.80%      
Ownership portion of net assets     ₩ 7,983      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     7,983      
Woori Senior Loan Private Placement Investment Trust No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 80,914        
Ownership 0.00% 21.70%        
Ownership portion of net assets   ₩ 17,517        
Basis difference   0        
Impairment   0        
Intercompany transaction   0        
Book value   17,517 75,590      
Woori USD Treasury Target Return Bond FoF            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 921        
Ownership 0.00% 23.90%        
Ownership portion of net assets   ₩ 220        
Basis difference   0        
Impairment   0        
Intercompany transaction   0        
Book value   220        
Woori Big Satisfaction Corporation MMF No. 3            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 1,860,839        
Ownership   2.30%        
Ownership portion of net assets   ₩ 42,038        
Basis difference   0        
Impairment   0        
Intercompany transaction   (54)        
Book value   41,984        
Woori General Private Securities Investment Trust No. 7 (Bond)            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 143,907        
Ownership   28.60%        
Ownership portion of net assets   ₩ 41,116        
Basis difference   0        
Impairment   0        
Intercompany transaction   0        
Book value   41,116        
Woori General Private Securities Investment Trust No. 6            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 147,315        
Ownership   28.60%        
Ownership portion of net assets   ₩ 42,090        
Basis difference   0        
Impairment   0        
Intercompany transaction   0        
Book value   42,090        
Woori Big Satisfaction General Private Securities Investment Trust No. 3            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 115,424        
Ownership   9.10%        
Ownership portion of net assets   ₩ 10,493        
Basis difference   0        
Impairment   0        
Intercompany transaction   0        
Book value   10,493        
Woori General Private Securities Investment Trust No. 5            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 210,083        
Ownership   28.60%        
Ownership portion of net assets   ₩ 60,024        
Basis difference   0        
Impairment   0        
Intercompany transaction   0        
Book value   60,024        
Dream Company Growth no.1 PEF            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 28,111      
Ownership     27.80%      
Ownership portion of net assets     ₩ 7,809      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     7,809     7,861
HMS-Oriens 1st Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 65,220 ₩ 61,497      
Ownership 0.00% 22.80% 22.80%      
Ownership portion of net assets   ₩ 14,880 ₩ 14,030      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   0 0      
Book value   14,880 14,030     13,252
KTB China Platform Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 85,895      
Ownership     18.70%      
Ownership portion of net assets     ₩ 16,059      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     16,059      
KTBN Venture Fund No.7            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 79,871      
Ownership     20.10%      
Ownership portion of net assets     ₩ 16,044      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     16,044      
NAVER-KTB Audio Contents Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 24,795 ₩ 28,767      
Ownership 0.00% 1.00% 1.00%      
Ownership portion of net assets   ₩ 248 ₩ 288      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   0 0      
Book value   248 288      
WOORI 2023 Scaleup Venture Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 67,800      
Ownership     20.00%      
Ownership portion of net assets     ₩ 13,578      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     13,578      
WOORI 2023 Start-up Venture Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 8,081      
Ownership     30.10%      
Ownership portion of net assets     ₩ 2,433      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     2,433      
KTB-NHN China Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 9      
Ownership     33.30%      
Ownership portion of net assets     ₩ 3      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     3      
KTBN GI Private Equity Fund            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset   ₩ 92 ₩ 12,346      
Ownership 0.00% 5.00% 5.00%      
Ownership portion of net assets   ₩ 5 ₩ 617      
Basis difference   0 0      
Impairment   0 0      
Intercompany transaction   0 0      
Book value   ₩ 5 617      
Woori G Senior Loan Private Placement Investment Trust No.1            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 349,132      
Ownership     21.70%      
Ownership portion of net assets     ₩ 75,590      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     75,590     ₩ 81,861
Woori 25-09 Corporate Bond (AA- or higher) Active ETF            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 101,701      
Ownership     29.30%      
Ownership portion of net assets     ₩ 29,821      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     29,821      
Woori Short Term Government and Special Bank Bond Active ETF            
Reconciliations from the net assets of associates and joint ventures based on the ownership ratio to corresponding book value of investment in associates and joint ventures [Line Items]            
Total net asset     ₩ 58,973      
Ownership     20.80%      
Ownership portion of net assets     ₩ 12,286      
Basis difference     0      
Impairment     0      
Intercompany transaction     0      
Book value     ₩ 12,286      
[1] The net asset equity amount is after the debt-for-equity swap, non-controlling etc.