v3.26.1
General - Noncontrolling interests (Details) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Woori bank      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period [1] ₩ 1,406,512 ₩ 1,645,947  
Net income attributable to non-controlling interests [2] 89,134 76,249 ₩ 95,637
Dividends to non-controlling interests [2] 89,134 76,249 95,637
Tongyang Life Insurance Co., Ltd.      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period [3],[4] 305,892 0  
Net income attributable to non-controlling interests [5] 20,663 0 0
Dividends to non-controlling interests [6] 10,995 0 0
Woori Investment Securities Co., Ltd.      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period [7] 1,386 5,571  
Net income attributable to non-controlling interests 101 (16) 5,687
Dividends to non-controlling interests 0 0 8,302
Woori Asset Trust Co., Ltd.      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period [3],[7],[8] 0 1,901  
Net income attributable to non-controlling interests (366) 276 5,720
Dividends to non-controlling interests 0 0 365
Woori Asset Management Corp.      
Disclosure of subsidiaries [line items]      
Net income attributable to non-controlling interests 0 530 1,603
Woori Venture Partners Co., Ltd.      
Disclosure of subsidiaries [line items]      
Net income attributable to non-controlling interests 0 0 1,391
PT Bank Woori Saudara Indonesia 1906 Tbk      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period 89,767 104,023  
Net income attributable to non-controlling interests (6,856) 6,764 9,521
Dividends to non-controlling interests 983 3,450 2,802
Korea BTL Infrastructure Fund      
Disclosure of subsidiaries [line items]      
Dividends to non-controlling interests 29 37 40
Wealth Development Bank      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period 22,292 23,975  
Net income attributable to non-controlling interests (722) 764 (68)
PT Woori Finance Indonesia Tbk.      
Disclosure of subsidiaries [line items]      
Accumulated non-controlling interests at the end of the reporting period 15,446 16,179  
Net income attributable to non-controlling interests 1,178 872 1,067
Dividends to non-controlling interests ₩ 402 ₩ 343 ₩ 138
[1] Hybrid securities issued by Woori Bank
[2] Distribution of the hybrid securities issued by Woori Bank
[3] The non-controlling interests decreased in accordance with paid-in capital increase and stock retirement and additional acquisition of minority interests during the year ended December 31, 2024.
[4] The non-controlling interests were recognized in accordance with merger with Korea Foss Securities Co., Ltd. during the year ended December 31, 2024.
[5] Including the distribution of the hybrid securities issued by Tongyang Life Insurance Co., Ltd.
[6] Distribution of the hybrid securities issued by Tongyang Life Insurance Co., Ltd.
[7] The non-controlling interests decreased by 0 million Won in accordance with additional investment during the year ended December 31, 2025.
[8] The non-controlling interests decreased due to the additional acquisition of minority interests during the year ended December 31, 2025.