v3.26.1
Investments In Joint Ventures And Associates - Financial information relating to investments in joint ventures and associates accounted for using the equity method of accounting (Details)
$ in Thousands, ₩ in Millions
 12 Months Ended
Dec. 31, 2025
KRW (₩)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
KRW (₩)
Dec. 31, 2023
KRW (₩)
Dec. 31, 2025
USD ($)
Equity method investment summarized financial information [Line Items]          
Assets ₩ 601,457,286   ₩ 525,753,320 ₩ 498,004,936 $ 416,363,079
Liabilities 563,598,038   489,858,051 464,607,446 $ 390,154,744
Other comprehensive income (loss) 176,770 $ 122,370 382,719 663,537  
Total comprehensive income (loss) 3,404,278 $ 2,356,636 3,554,188 ₩ 3,290,431  
W Service Networks Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 7,423   6,621    
Liabilities 3,301   2,475    
Operating revenue 15,306   16,788    
Net income (loss) 754   738    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 754   738    
Korea Credit Bureau Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 160,778   150,657    
Liabilities 38,645   62,343    
Operating revenue 202,976   175,338    
Net income (loss) 36,559   26,589    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 36,559   26,589    
Korea Finance Security Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 40,856   36,797    
Liabilities 15,307   12,692    
Operating revenue 44,434   42,640    
Net income (loss) 1,813   1,695    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 1,813   1,695    
K BANK Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 32,826,189   29,314,529    
Liabilities 30,643,202   27,293,765    
Operating revenue 1,133,400   1,043,436    
Net income (loss) 88,207   149,922    
Other comprehensive income (loss) (30,073)   3,695    
Total comprehensive income (loss) 58,134   153,617    
Partner One Value Up I Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 9,420   9,810    
Liabilities 775   682    
Operating revenue (984)   (4,358)    
Net income (loss) (1,070)   (4,758)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (1,070)   (4,758)    
IBK KIP Seongjang Dideemdol 1st Private Investment Limited Partnership          
Equity method investment summarized financial information [Line Items]          
Assets 6,212   11,474    
Liabilities 38   165    
Operating revenue 2   (3,108)    
Net income (loss) (127)   (3,887)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (127)   (3,887)    
Crevisse Raim Impact 1st Startup Venture Specialist Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 15,747   15,745    
Liabilities 100   100    
Operating revenue 1   1    
Net income (loss) (388)   (388)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (388)   (388)    
LOTTE CARD Co.,Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets [1] 24,614,346   24,416,416    
Liabilities [1] 21,040,011   20,937,932    
Operating revenue [1] 2,235,400   2,103,130    
Net income (loss) [1] 108,426   100,468    
Other comprehensive income (loss) [1] (1,957)   (20,494)    
Total comprehensive income (loss) [1] 106,469   79,974    
Union Technology Finance Investment Association          
Equity method investment summarized financial information [Line Items]          
Assets 31,762   40,269    
Liabilities 509   641    
Operating revenue 2,015   19    
Net income (loss) 1,483   (646)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 1,483   (646)    
Orient Shipyard Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 7,020   7,025    
Liabilities 23,626   23,626    
Net income (loss) (4)   (76)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (4)   (76)    
Win Mortgage Co.,LTd.          
Equity method investment summarized financial information [Line Items]          
Assets 4,804   6,053    
Liabilities 2,562   3,073    
Operating revenue 11,881   16,435    
Net income (loss) 139   1,044    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 139   1,044    
Samsung Together Korea IPPF private securities investment trust 3 [Equity-FoFs]          
Equity method investment summarized financial information [Line Items]          
Assets 11,084   10,849    
Liabilities 1   1    
Operating revenue 241   306    
Net income (loss) 235   300    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 235   300    
BTS 2nd Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 41,452   39,431    
Liabilities 234   432    
Operating revenue 1   628    
Net income (loss) (881)   (468)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (881)   (468)    
STASSETS FUND III          
Equity method investment summarized financial information [Line Items]          
Assets 44,196   39,694    
Liabilities 245   197    
Operating revenue 60   40    
Net income (loss) (842)   (802)    
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (842)   (802)    
SF CREDIT PARTNERS, LLC          
Equity method investment summarized financial information [Line Items]          
Assets 333,410   185,463    
Liabilities 148,541   30,752    
Operating revenue 21,326   35,820    
Net income (loss) 11,068   14,319    
Other comprehensive income (loss) (3,670)   18,291    
Total comprehensive income (loss) 7,398   32,610    
Ulsan Yeocheon Development Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 1,439        
Liabilities 1,036        
Net income (loss) (12)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (12)        
ARAM CMC Co.,Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets     541    
Liabilities     453    
Operating revenue     717    
Net income (loss)     (31)    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     (31)    
Japanese Hotel Real Estate Private Equity Fund No.2          
Equity method investment summarized financial information [Line Items]          
Assets 13,583   14,135    
Liabilities 12   13    
Operating revenue 767   1,246    
Net income (loss) 687   1,129    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 687   1,129    
Woori Seoul Beltway Private Special Asset Fund No.1          
Equity method investment summarized financial information [Line Items]          
Assets 79,720   64,308    
Liabilities 3   3    
Operating revenue 2,408   2,298    
Net income (loss) 2,329   2,233    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 2,329   2,233    
Woori Smart General Private Equity Investment Trust 1          
Equity method investment summarized financial information [Line Items]          
Assets 275,994   312,490    
Liabilities 134,157   166,250    
Operating revenue 8,651   13,404    
Net income (loss) 4,492   8,549    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 4,492   8,549    
Woori Asset Global Partnership Fund No.5          
Equity method investment summarized financial information [Line Items]          
Assets 130,542   95,548    
Liabilities 289   254    
Operating revenue 1,808   6,479    
Net income (loss) 676   5,038    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 676   5,038    
Woori General Private Securities Investment Trust No. 5 (bond)          
Equity method investment summarized financial information [Line Items]          
Assets 572,918        
Liabilities 362,873        
Operating revenue 14,934        
Net income (loss) 6,917        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 6,917        
Woori Big Satisfaction General Private Securities Investment Trust No. 3 (bond)          
Equity method investment summarized financial information [Line Items]          
Assets 187,002        
Liabilities 69,920        
Operating revenue 4,563        
Net income (loss) 3,190        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 3,190        
Woori General Private Securities Investment Trust No. 6 (bond)          
Equity method investment summarized financial information [Line Items]          
Assets 401,132        
Liabilities 257,935        
Operating revenue 11,883        
Net income (loss) 4,814        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 4,814        
Woori General Private Securities Investment Trust No. 8 (Bond)          
Equity method investment summarized financial information [Line Items]          
Assets 393,187        
Liabilities 253,745        
Operating revenue 1,628        
Net income (loss) (559)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (559)        
Woori Smart General Private Equity Investment Trust No.1(bond)          
Equity method investment summarized financial information [Line Items]          
Assets 329,495   244,268    
Liabilities 189,741   101,784    
Operating revenue 8,023   3,038    
Net income (loss) 4,056   2,484    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 4,056   2,484    
Woori Future Energy Private Special Asset Investment Trust (General) No.1          
Equity method investment summarized financial information [Line Items]          
Other comprehensive income (loss) 0   0    
Woori Global Secondary Private Placement Investment Trust No. 2          
Equity method investment summarized financial information [Line Items]          
Assets 92,123        
Liabilities 72        
Operating revenue (1,432)        
Net income (loss) (1,685)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (1,685)        
Woori Big Satisfaction Corporation MMF No. 1 (Government Bond)          
Equity method investment summarized financial information [Line Items]          
Assets 4,195,731        
Liabilities 43        
Operating revenue 166,998        
Net income (loss) 166,295        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 166,295        
Woori GS West Street Strategic Solutions General Type Private Special Asset Investment Trust No.1          
Equity method investment summarized financial information [Line Items]          
Assets 118,372        
Liabilities 20        
Operating revenue 10,638        
Net income (loss) 10,335        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 10,335        
Woori PGIF4 General Type Private Special Asset Investment Trust No.1          
Equity method investment summarized financial information [Line Items]          
Assets 124,356        
Liabilities 107        
Operating revenue 11,773        
Net income (loss) 11,494        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 11,494        
WOORI TAERIM 1st Fund          
Equity method investment summarized financial information [Line Items]          
Assets 4,045   4,045    
Liabilities 183   183    
Net income (loss)     0    
Other comprehensive income (loss) 0   0    
Portone-Cape Fund No.1          
Equity method investment summarized financial information [Line Items]          
Assets     1,000    
Liabilities     200    
Net income (loss)     (103)    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     (103)    
Darwin Green Packaging Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 19,116   19,128    
Liabilities 1        
Net income (loss) (12)   (262)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (12)   (262)    
Koreawide partners 2nd Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 75,012   75,002    
Liabilities 4,354   2,870    
Operating revenue 70        
Net income (loss) 26   0    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 26        
Woori FirstValue Private Real Estate Fund No.2          
Equity method investment summarized financial information [Line Items]          
Assets 64,111   67,081    
Liabilities 62,357   62,357    
Operating revenue 32   62    
Net income (loss) 30   57    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 30   57    
Woori Together TDF 2025          
Equity method investment summarized financial information [Line Items]          
Assets 22,797   14,500    
Liabilities 274   30    
Operating revenue 1,479   1,232    
Net income (loss) 1,407   1,206    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 1,407   1,206    
Woori Together TDF 2030          
Equity method investment summarized financial information [Line Items]          
Assets 29,913   16,849    
Liabilities 707   41    
Operating revenue 2,276   1,574    
Net income (loss) 2,206   1,544    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 2,206   1,544    
Woori Together TDF 2035          
Equity method investment summarized financial information [Line Items]          
Assets 56,640   15,537    
Liabilities 1,169   241    
Operating revenue 4,247   1,031    
Net income (loss) 4,168   1,011    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 4,168   1,011    
Woori Together TDF 2045          
Equity method investment summarized financial information [Line Items]          
Assets 22,168        
Liabilities 204        
Operating revenue 1,978        
Net income (loss) 1,938        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 1,938        
Woori USD Treasury Target Return Bond FoF          
Equity method investment summarized financial information [Line Items]          
Assets     921    
Operating revenue     164    
Net income (loss)     144    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     144    
Woori NH Co Growth Private Equity Fund I [Member]          
Equity method investment summarized financial information [Line Items]          
Assets 32,137        
Liabilities 1,190        
Operating revenue 5,837        
Net income (loss) 4,547        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 4,547        
AIP NMC Venture Fund No1 [Member]          
Equity method investment summarized financial information [Line Items]          
Assets 7,439        
Liabilities 1        
Net income (loss) (12)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (12)        
LuxMason Innovation Technology Fund2 [Member]          
Equity method investment summarized financial information [Line Items]          
Assets 6,490        
Net income (loss) (10)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (10)        
Healthcare Investmetnt Fund [Member]          
Equity method investment summarized financial information [Line Items]          
Assets 10,197        
Net income (loss) (108)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (108)        
Woori 2025 Secondary Fund [Member]          
Equity method investment summarized financial information [Line Items]          
Assets 30,789        
Liabilities 4        
Operating revenue 13        
Net income (loss) (151)        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) (151)        
Woori BIG SATISFACTION SHINJONG MMF 3RD          
Equity method investment summarized financial information [Line Items]          
Assets 2,046,389        
Liabilities 19        
Operating revenue 88,476        
Net income (loss) 88,232        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 88,232        
Woori IMM Green Net Zero Fund [Member]          
Equity method investment summarized financial information [Line Items]          
Assets 43,987        
Liabilities 68        
Operating revenue 2,160        
Net income (loss) 1,735        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 1,735        
Woori Eugene Energy Link Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 72,784        
Liabilities 253        
Operating revenue 5,225        
Net income (loss) 2,824        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 2,824        
Woorinara Short-Term Bond Securities Investment Trust (Bond)          
Equity method investment summarized financial information [Line Items]          
Assets 740,791        
Liabilities 143,928        
Operating revenue 37,816        
Net income (loss) 33,597        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 33,597        
Capstone Special Restructuring Private Investment Trust No.4          
Equity method investment summarized financial information [Line Items]          
Assets 33,010        
Liabilities 265        
Operating revenue 1,477        
Net income (loss) 1,444        
Other comprehensive income (loss) 0        
Total comprehensive income (loss) 1,444        
Australia Green Energy 1st PEF          
Equity method investment summarized financial information [Line Items]          
Assets 137,459   132,878    
Liabilities 24   24    
Operating revenue 6,346   13,121    
Net income (loss) 4,650   11,424    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 4,650   11,424    
Aarden Woori Apparel 1st Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 20,049   20,083    
Liabilities 389   89    
Operating revenue 0        
Net income (loss) (333)   (8,136)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (333)   (8,136)    
Woori Dyno 1st Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 18,547   14,575    
Liabilities 44   43    
Operating revenue 4,177   2,712    
Net income (loss) 4,010   2,545    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 4,010   2,545    
NH Woori Dino Co-Investment NO.2 Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 42,847   39,368    
Liabilities 83   2    
Operating revenue 1,211   6    
Net income (loss) 837   (83)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 837   (83)    
KTB-KORUS FUND          
Equity method investment summarized financial information [Line Items]          
Assets 2,018   4,772    
Operating revenue 2,663   691    
Net income (loss) (1,352)   (3,062)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (1,352)   (3,062)    
KTBN Venture Fund No.8          
Equity method investment summarized financial information [Line Items]          
Assets 4,734   7,032    
Operating revenue 239   98    
Net income (loss) (2,298)   (1,902)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (2,298)   (1,902)    
KTBN Digital Contents Korea Fund No.9          
Equity method investment summarized financial information [Line Items]          
Assets 8,972   18,343    
Liabilities 1,701   1,656    
Operating revenue 430   937    
Net income (loss) (9,416)   (1,971)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (9,416)   (1,971)    
KTBN Media Contents Fund          
Equity method investment summarized financial information [Line Items]          
Assets 1,361   1,029    
Operating revenue 331   60    
Net income (loss) 331   (858)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 331   (858)    
KTB China Synergy Fund          
Equity method investment summarized financial information [Line Items]          
Assets 119,890   135,892    
Liabilities 110   10,073    
Operating revenue 15,997   23,354    
Net income (loss) 6,022   12,215    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 6,022   12,215    
NAVER-KTB Audio Contents Fund          
Equity method investment summarized financial information [Line Items]          
Assets     25,443    
Liabilities     648    
Operating revenue     466    
Net income (loss)     (3,972)    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     (3,972)    
KTBN Venture Fund No.13          
Equity method investment summarized financial information [Line Items]          
Assets 152,276   80,487    
Liabilities 3,150   625    
Operating revenue 279,837   38,903    
Net income (loss) 177,428   27,039    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 177,428   27,039    
KTBN Future Contents Fund          
Equity method investment summarized financial information [Line Items]          
Assets 25,733   31,882    
Liabilities 3,187   434    
Operating revenue 9,193   725    
Net income (loss) 3,428   (2,763)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 3,428   (2,763)    
KTBN Venture Fund No.16          
Equity method investment summarized financial information [Line Items]          
Assets 192,364   156,157    
Liabilities 1,407   1,592    
Operating revenue 113,770   31,459    
Net income (loss) 67,592   14,540    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 67,592   14,540    
KTBN Venture Fund No.18          
Equity method investment summarized financial information [Line Items]          
Assets 213,746   254,010    
Liabilities 2,465   2,532    
Operating revenue 29,252   31,976    
Net income (loss) (26,148)   (383)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (26,148)   (383)    
KB-KTB Technology Venture Fund          
Equity method investment summarized financial information [Line Items]          
Assets 47,314   52,125    
Liabilities 802   701    
Operating revenue 5,863   3,802    
Net income (loss) (4,911)   (1,377)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (4,911)   (1,377)    
WOORI 2022 Scaleup Venture Fund          
Equity method investment summarized financial information [Line Items]          
Assets 263,756   89,006    
Liabilities 2,040   76    
Operating revenue 12,281   926    
Net income (loss) 3,606   (12,705)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 3,606   (12,705)    
WOORI 2022 Start-up Venture Fund          
Equity method investment summarized financial information [Line Items]          
Assets 38,724   42,418    
Liabilities 33   3    
Operating revenue 1,596   162    
Net income (loss) (3,723)   (466)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (3,723)   (466)    
KTBN GI Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets     104    
Liabilities     12    
Operating revenue     3,444    
Net income (loss)     2,832    
Other comprehensive income (loss)     (732)    
Total comprehensive income (loss)     2,100    
Chirochem          
Equity method investment summarized financial information [Line Items]          
Assets 755   556    
Liabilities 191   190    
Operating revenue 2,907   451    
Net income (loss) 198   8    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 198   8    
Godo Kaisha Oceanos 1          
Equity method investment summarized financial information [Line Items]          
Assets     60,513    
Liabilities     45,145    
Operating revenue 12,197   2,605    
Net income (loss) 7,855   132    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 7,855   132    
KG Fashion Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 2,114 [1]   2,201    
Liabilities 2,906 [1]   2,850    
Operating revenue 377 [1]   544    
Net income (loss) (122) [1]   (197)    
Other comprehensive income (loss) 0 [1]   0    
Total comprehensive income (loss) (122) [1]   (197)    
KUM HWA Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 4 [1]   4    
Liabilities 167 [1]   167    
Other comprehensive income (loss) 0 [1]   0    
Jinmyung Plus Co., Ltd.          
Equity method investment summarized financial information [Line Items]          
Assets 494   499    
Liabilities 447   459    
Operating revenue 131   96    
Net income (loss) (25)   (32)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (25)   (32)    
JC Assurance No.2 Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets     121,539    
Liabilities     989    
Net income (loss) (26) [1]   (642)    
Other comprehensive income (loss) 0 [1]   0    
Total comprehensive income (loss) (26) [1]   (642)    
HMS-Oriens 1st Fund          
Equity method investment summarized financial information [Line Items]          
Assets     65,227    
Liabilities     7    
Operating revenue     0    
Net income (loss)     3,723    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     3,723    
Genesis Eco No.1 Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 38,639   38,043    
Liabilities 626   622    
Net income (loss) (18)   (634)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (18)   (634)    
Paratus Woori Material Component Equipment joint venture company          
Equity method investment summarized financial information [Line Items]          
Assets 27,487   58,285    
Liabilities 427   2,380    
Operating revenue 2        
Net income (loss) (865)   (884)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (865)   (884)    
Midas No. 8 Private Equity Joint Venture Company          
Equity method investment summarized financial information [Line Items]          
Assets 63,221   64,156    
Liabilities 132   241    
Operating revenue 1,881   1,916    
Net income (loss) 1,037   963    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 1,037   963    
Orchestra Private Equity Fund IV          
Equity method investment summarized financial information [Line Items]          
Assets 34,038   34,113    
Liabilities 0        
Operating revenue 431   700    
Net income (loss) (75)   194    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (75)   194    
Synaptic Green No.1 PEF          
Equity method investment summarized financial information [Line Items]          
Assets 43,321   35,623    
Liabilities 350   5    
Operating revenue 8,058   2    
Net income (loss) 7,354   703    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 7,354   703    
IGEN2022No. 1 Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 24,307   32,215    
Liabilities 110   126    
Operating revenue 15,694   1,056    
Net income (loss) 7,102   565    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 7,102   565    
PCC-Woori LP Secondary Fund          
Equity method investment summarized financial information [Line Items]          
Assets 21,317   22,863    
Liabilities 522   600    
Operating revenue 2,438   2,549    
Net income (loss) (1,473)   (4,767)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (1,473)   (4,767)    
Synaptic Future Growth Private Equity Fund 1          
Equity method investment summarized financial information [Line Items]          
Assets 34,217   32,638    
Liabilities 174   295    
Operating revenue 1,993   19,412    
Net income (loss) 1,240   18,240    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 1,240   18,240    
Woori-Q Corporate Restructuring Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 98,251   101,315    
Liabilities 324   1,362    
Operating revenue 2,628   1,278    
Net income (loss) 1,293   164    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 1,293   164    
Woori-Shinyoung Growth-Cap Private Equity Fund I          
Equity method investment summarized financial information [Line Items]          
Assets 103,810   84,775    
Liabilities 1,077   419    
Operating revenue 37,506   4,422    
Net income (loss) 36,345   (10,824)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 36,345   (10,824)    
NH Woori Newdeal Growth Alpha Private Equity Fund 1          
Equity method investment summarized financial information [Line Items]          
Assets 19,341   164,574    
Liabilities 362   762    
Operating revenue 389   40,639    
Net income (loss) (10,146)   38,093    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (10,146)   38,093    
Woori Senior Loan Private Placement Investment Trust No.1          
Equity method investment summarized financial information [Line Items]          
Assets     80,919    
Liabilities     5    
Operating revenue 9,664        
Net income (loss)     9,101    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     9,101    
Woori Real Estate Investment No. 1 Limited Liability Company          
Equity method investment summarized financial information [Line Items]          
Assets 413,355   405,845    
Liabilities 235,746   235,058    
Operating revenue 22,668   6    
Net income (loss) 6,821   (1,412)    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 6,821   (1,412)    
Woori General Private Securities Investment Trust No. 5          
Equity method investment summarized financial information [Line Items]          
Assets     456,448    
Liabilities     246,365    
Operating revenue     15,926    
Net income (loss)     10,847    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     10,847    
Woori Big Satisfaction General Private Securities Investment Trust No. 3          
Equity method investment summarized financial information [Line Items]          
Assets     170,856    
Liabilities     55,432    
Operating revenue     6,755    
Net income (loss)     5,425    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     5,425    
Woori General Private Securities Investment Trust No. 6          
Equity method investment summarized financial information [Line Items]          
Assets     398,460    
Liabilities     251,145    
Operating revenue     12,650    
Net income (loss)     7,315    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     7,315    
Woori Oncorp Corporate support of Major Industry General Type Private Investment Trust 2          
Equity method investment summarized financial information [Line Items]          
Assets 124,718   171,980    
Operating revenue 10,377   8,579    
Net income (loss) 10,367   8,539    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 10,367   8,539    
Woori General Private Securities Investment Trust No. 7 (Bond)          
Equity method investment summarized financial information [Line Items]          
Assets     424,652    
Liabilities     280,745    
Operating revenue     6,743    
Net income (loss)     3,907    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     3,907    
Woori Big Satisfaction Corporation MMF No. 3          
Equity method investment summarized financial information [Line Items]          
Assets     1,860,868    
Liabilities     29    
Operating revenue     56,309    
Net income (loss)     56,153    
Other comprehensive income (loss)     0    
Total comprehensive income (loss)     56,153    
NH Woori New deal Co-Investment No.1 Private Equity Fund          
Equity method investment summarized financial information [Line Items]          
Assets 182,355   29,382    
Liabilities 2,013   254    
Operating revenue (10,792)   3,682    
Net income (loss) (12,911)   3,428    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) (12,911)   3,428    
KCLAVIS NPL Investment Trust NO 1-2          
Equity method investment summarized financial information [Line Items]          
Assets 47,869   43,057    
Liabilities 89   80    
Operating revenue 4,803   1,176    
Net income (loss) 4,803   1,176    
Other comprehensive income (loss) 0   0    
Total comprehensive income (loss) 4,803   1,176    
MARKET&FARM CO.,LTD.          
Equity method investment summarized financial information [Line Items]          
Assets 779 [1]   954    
Liabilities 883 [1]   902    
Operating revenue     4,933    
Net income (loss) (160) [1]   (125)    
Other comprehensive income (loss) 0 [1]   0    
Total comprehensive income (loss) ₩ (160) [1]   ₩ (125)    
[1] The amount is after reflecting the fair value adjustment that occurred when acquiring the shares and the adjustments that occurred by difference of accounting policies with the Group.