Investments in joint ventures and associates - Investments in joint ventures and associates accounted for using the equity method of accounting (Details) |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | [1] | Woori bank and Woori Investment Securities Co., Ltd. | Woori bank and Woori Investment Securities Co., Ltd. | |||||
| W Service Networks Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Freight & staffing services | Freight & staffing services | ||||||
| Percentage of ownership | 4.90% | 4.90% | 4.90% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Nov. 30, 2025 | Nov. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of nature of entity's relationship with associate | Most of the significant business transactions of associates are with the Group as of December 31, 2025 and 2024. | Most of the significant business transactions of associates are with the Group as of December 31, 2025 and 2024. | ||||||
| Korea Credit Bureau Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Credit information | Credit information | ||||||
| Percentage of ownership | 9.90% | 9.90% | 9.90% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | ||||||
| Korea Finance Security Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Security service | Security service | ||||||
| Percentage of ownership | 15.00% | 15.00% | 15.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Nov. 30, 2025 | Nov. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | ||||||
| Wongwang Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Wholesale and real estate | Wholesale and real estate | ||||||
| Percentage of ownership | 29.00% | 29.00% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Sejin construction Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Construction | Construction | ||||||
| Percentage of ownership | 29.60% | 29.60% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| ARES-TECH Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Electronic component manufacturing | Electronic component manufacturing | ||||||
| Percentage of ownership | 23.40% | 23.40% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Beomgyo.,Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Telecommunication equipment retail sales | Telecommunication equipment retail sales | ||||||
| Percentage of ownership | 23.10% | 23.10% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| NK Eng Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Manufacturing | Manufacturing | ||||||
| Percentage of ownership | 0.00% | 23.10% | ||||||
| Location | Korea | Korea | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| K BANK Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Finance | Finance | ||||||
| Percentage of ownership | [2] | 12.00% | 12.00% | 12.60% | ||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Nov. 30, 2025 | Nov. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | ||||||
| Partner One Value Up I Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 23.30% | 23.30% | 23.30% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| IBK KIP Seongjang Dideemdol 1st Private Investment Limited Partnership | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 20.00% | 20.00% | 20.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Crevisse Raim Impact 1st Startup Venture Specialist Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 25.00% | 25.00% | 25.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| LOTTE CARD Co.,Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Credit card and installment financing | Credit card and installment financing | ||||||
| Percentage of ownership | [2] | 20.00% | 20.00% | 20.00% | ||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Sep. 30, 2025 | Sep. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Union Technology Finance Investment Association | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 29.70% | 29.70% | 29.70% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Dicustody Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 1.00% | |||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Orient Shipyard Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Manufacture of sections for ships | Manufacture of sections for ships | ||||||
| Percentage of ownership | 22.70% | [2] | 22.70% | 22.70% | ||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Sep. 30, 2025 | Sep. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Joongang Network Solution Co.,Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 25.30% | |||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Win Mortgage Co.,LTd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 4.50% | 4.50% | 4.50% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Sep. 30, 2025 | Sep. 30, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Description of nature of entity's relationship with associate | Most of the significant business transactions of associates are with the Group as of December 31, 2025 and 2024. | Most of the significant business transactions of associates are with the Group as of December 31, 2025 and 2024. | ||||||
| Samsung Together Korea IPPF private securities investment trust 3 [Equity-FoFs] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 100.00% | 100.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| BTS 2nd Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 20.00% | 20.00% | 20.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| STASSETS FUND III | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 28.30% | 28.30% | 28.30% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| SF CREDIT PARTNERS, LLC | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 10.00% | 10.00% | 10.00% | |||||
| Location | United States | United States | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | The Group can participate in decision-making body and exercise significant influence over financial policies and operational policies decision making of the associates. | ||||||
| Dongwoo C & C Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Construction | Construction | ||||||
| Percentage of ownership | 23.20% | 23.20% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| G2 Collection Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Wholesale and retail sales | Wholesale and retail sales | ||||||
| Percentage of ownership | 28.90% | 28.90% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Japanese Hotel Real Estate Private Equity Fund No.2 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 19.90% | 19.90% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori Seoul Beltway Private Special Asset Fund No.1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Trust and collective investment | Trust and collective investment | ||||||
| Percentage of ownership | 25.00% | 25.00% | 25.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori Smart General Private Equity Investment Trust 1(bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 28.60% | 28.60% | 28.60% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori Asset Global Partnership Fund No. 5 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 57.70% | 57.70% | 57.70% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori General Private Securities Investment Trust(Bond) No.2 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 27.30% | |||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori General Private Securities Investment Trust No. 5 (bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 28.60% | 28.60% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori Big Satisfaction General Private Securities Investment Trust No. 3 (bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 8.70% | 9.10% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori General Private Securities Investment Trust No. 6 (bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 28.60% | 28.60% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Woori General Private Securities Investment Trust No. 7 (bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 0.00% | 28.60% | ||||||
| Location | Korea | Korea | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori FirstValue Private Real Estate Fund No.2 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Investment Securities Co., Ltd. | Woori Investment Securities Co., Ltd. | ||||||
| Main business | Real estate business | Real estate business | ||||||
| Percentage of ownership | 12.00% | 12.00% | 12.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Ulsan Yeocheon Development Co., Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori ESG Infrastructure Development General Type Private Investment Trust No.1 | Woori ESG Infrastructure Development General Type Private Investment Trust No.1 | ||||||
| Main business | Sewage and wastewater management | Sewage and wastewater management | ||||||
| Percentage of ownership | 50.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| AIP NMC Venture Fund No1 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Investment Securities Co., Ltd. | Woori Investment Securities Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 26.80% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Lux-Mason Innovation Technology Fund#2 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Investment Securities Co., Ltd. | Woori Investment Securities Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 23.10% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Together OCIO Target Return Feeder fund (Balance Bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 20.40% | |||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| KTBN Venture Fund No 7 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 20.10% | |||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| DeepDive WOORI 2021-1 Financial Investment Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was classified as an associate due to holding of voting rights according to the initial investment agreement ratio. | It was classified as an associate due to holding of voting rights according to the initial investment agreement ratio. | ||||||
| Woori Safe Plus General Type Private Investment Trust S-8(Bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 9.10% | |||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori Short-term Bond Securities Investment Trust(Bond) ClassC-F | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Percentage of ownership | 15.00% | |||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori General Private Securities Investment Trust Bond No1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | Two or more subsidiaries may invest or operate to exert significant influence on the decision-making process for activities related to the investee. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori General Private Securities Investment Trust No. 8 (bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 28.60% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | |||||||
| Woori Real Estate Investment No. 1 Limited Liability Company | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank, Woori card Co., Ltd., Woori Investment Securities Co., Ltd. and Woori Asset Management Corp. | Woori Bank, Woori card Co., Ltd., Woori Investment Securities Co., Ltd. and Woori Asset Management Corp. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 19.90% | 19.90% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| NH Woori Newdeal Growth Alpha Private Equity Fund 1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank, Woori Financial Capital Co., Ltd., Woori Investment Securities Co., Ltd. and Woori Private Equity Asset Management Co., Ltd. | Woori Bank, Woori Financial Capital Co., Ltd., Woori Investment Securities Co., Ltd. and Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 33.00% | 32.90% | 32.70% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori-Shinyoung Growth-Cap Private Equity Fund I | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank, Woori Financial Capital Co., Ltd., Woori Investment Securities Co., Ltd. and Woori Private Equity Asset Management Co., Ltd. | Woori Bank, Woori Financial Capital Co., Ltd., Woori Investment Securities Co., Ltd. and Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 35.00% | 35.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori BIG SATISFACTION SHINJONG MMF 3RD | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd., ABL Life Insurance Co., Ltd. and Woori Asset Management Corp. | Woori Venture Partners Co., Ltd., ABL Life Insurance Co., Ltd. and Woori Asset Management Corp. | ||||||
| Main business | Collective investment business | |||||||
| Percentage of ownership | 6.40% | 2.30% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| NH Woori New deal Co-Investment No.1 Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial Capital Co., Ltd., Woori Private Equity Asset Management Co., Ltd. | Woori Financial Capital Co., Ltd., Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 19.50% | 19.50% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori IMM Green Net Zero Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank, ABL Life Insurance Co., Ltd. and Woori Private Equity Asset Management Co., Ltd. | Woori Bank, ABL Life Insurance Co., Ltd. and Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 23.60% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Woori NH Co-Growth Private Equity Fund I | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank and Woori Private Equity Asset Management Co., Ltd. | Woori Bank and Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 20.00% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Woori Eugene Energy Link Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank and Woori Private Equity Asset Management Co., Ltd. | Woori Bank and Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 7.90% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Woori-Q Corporate Restructuring Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank and Woori Private Equity Asset Management Co., Ltd. | Woori Bank and Woori Private Equity Asset Management Co., Ltd. | ||||||
| Main business | Trust and collective investment | Trust and collective investment | ||||||
| Percentage of ownership | 34.30% | 34.60% | 32.40% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of nature of entity's relationship with associate | It was classified as an associate due to holding of voting rights according to the initial investment agreement ratio. | It was classified as an associate due to holding of voting rights according to the initial investment agreement ratio. | ||||||
| Woori Oncorp Corporate support of Major Industry General Type Private Investment Trust 2 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Investment Securities Co., Ltd. and Woori Asset Management Co., Ltd. | Woori Investment Securities Co., Ltd. and Woori Asset Management Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 4.40% | 2.30% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Together TDF 2040 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 20.40% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Woori Together TDF 2035 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 4.30% | 22.50% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Together TDF 2030 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 17.30% | 22.20% | 28.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Together TDF 2025 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ABL Life Insurance Co., Ltd. and Woori Asset Management Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 17.20% | 24.70% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woorinara Short-Term Bond Securities Investment Trust (Bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Asset Management Co., Ltd. and Tongyang Life Insurance Co., Ltd. | Woori Asset Management Co., Ltd. and Tongyang Life Insurance Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 6.80% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Healthcare Investmetnt Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Investment Securities Co., Ltd. and Woori Financial Capital Co., Ltd. | Woori Investment Securities Co., Ltd. and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial investment | Other financial investment | ||||||
| Percentage of ownership | 28.80% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Woori Productive Financing Education Infrastructure General Private Special Asset Investment Trust No1 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Tongyang Life Insurance Co., Ltd. | Woori bank and Tongyang Life Insurance Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 14.60% | |||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| VOGO Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Tongyang Life Insurance Co., Ltd. | Woori bank and Tongyang Life Insurance Co., Ltd. | ||||||
| Main business | Other financial investment | Other financial investment | ||||||
| Percentage of ownership | 24.00% | |||||||
| Location | Korea | Korea | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Synaptic Future Growth Private Equity Fund 1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial investment | Other financial investment | ||||||
| Percentage of ownership | 23.80% | 23.80% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| PCC-Woori LP Secondary Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 38.80% | 38.90% | 38.90% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| IGEN2022No. 1 Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 24.80% | 24.80% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Synaptic Green No.1 PEF | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 21.10% | 21.10% | 21.10% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Orchestra Private Equity Fund IV [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 28.20% | 28.20% | 28.20% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Midas No. 8 Private Equity Joint Venture Company [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 28.50% | 28.50% | 28.50% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Paratus Woori Material Component Equipment joint venture company [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 29.90% | 29.90% | 29.90% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Genesis Eco No.1 Private Equity Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 29.00% | 29.00% | 29.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Senior Loan Private Placement Investment Trust No.1 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 0.00% | 21.70% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| HMS Oriens 1st Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 0.00% | 22.80% | 22.80% | |||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| JC Assurance No.2 Private Equity Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori Financial Capital Co., Ltd. | Woori bank and Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 23.40% | 23.40% | 23.50% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It has been liquidating as of December 31, 2025. | It has been liquidating as of December 31, 2025. | ||||||
| TH International Co.,Ltd. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Cosmetics wholesale and general travel services | Cosmetics wholesale and general travel services | ||||||
| Percentage of ownership | 21.50% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| SAMJI TEXTILE CO.,LTD. | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Wholesale and commodity brokerage | Wholesale and commodity brokerage | ||||||
| Percentage of ownership | 29.80% | 29.80% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| MARKET&FARM CO.,LTD [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Wholesale and commodity brokerage | Wholesale and commodity brokerage | ||||||
| Percentage of ownership | 23.70% | 23.70% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| ARAM CMC Co.,Ltd. [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Manufacturing | Manufacturing | ||||||
| Percentage of ownership | 20.10% | 20.10% | 20.00% | |||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Rea Company [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Manufacturing | Manufacturing | ||||||
| Percentage of ownership | 26.10% | 26.10% | 24.50% | |||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Jinmyung Plus Co., Ltd. [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Manufacturing | Manufacturing | ||||||
| Percentage of ownership | 21.30% | 21.30% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Sep. 30, 2025 | Sep. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| KUM HWA Co., Ltd. [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Telecommunication equipment retail sales | Telecommunication equipment retail sales | ||||||
| Percentage of ownership | 20.10% | 20.10% | 20.10% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Youngdong Sea Food Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Processed sea food manufacturing | Processed sea food manufacturing | ||||||
| Percentage of ownership | 24.50% | 24.50% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| JiWon Plating Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Plating | Plating | ||||||
| Percentage of ownership | 20.80% | 20.80% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| PREXCO Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Manufacturing | Manufacturing | ||||||
| Percentage of ownership | 28.10% | 28.10% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| DAEA SNC Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Wholesale and retail sales | Wholesale and retail sales | ||||||
| Percentage of ownership | 25.50% | 25.50% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Good Software Lap Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Service | Service | ||||||
| Percentage of ownership | 29.40% | 29.40% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Kyesan Engineering Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Construction | Construction | ||||||
| Percentage of ownership | 23.30% | 23.30% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| KG Fashion Co., Ltd. [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Manufacturing | Manufacturing | ||||||
| Percentage of ownership | 20.80% | 20.80% | 20.80% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Nov. 30, 2025 | Nov. 30, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| SJCO Co., Ltd [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori bank and Woori card Co., Ltd. | Woori bank and Woori card Co., Ltd. | ||||||
| Main business | Aggregate transportation and wholesale | Aggregate transportation and wholesale | ||||||
| Percentage of ownership | 29.80% | 29.80% | ||||||
| Location | Korea | Korea | ||||||
| Description of nature of entity's relationship with associate | There is no investment balance as of December 31, 2024 and 2025. | There is no investment balance as of December 31, 2024 and 2025. | ||||||
| Godo Kaisha Oceanos 1 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Japanese Hotel Real Estate Private Equity Fund 1 | Japanese Hotel Real Estate Private Equity Fund 1 | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 47.80% | 47.80% | 47.80% | |||||
| Location | Japan | Japan | ||||||
| Financial statements as of | Oct. 31, 2025 | Oct. 31, 2025 | ||||||
| Description of reason why using different reporting date or period for associate | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | The equity method was applied using the most recent financial statements available from the settlement date because no financial statements were available at the end of the reporting period and the significant transactions or events that occurred between the end of the reporting period of the associate and the end of the reporting period of the subsidiary were duly reflected. | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It has been liquidating as of December 31, 2025. | It has been liquidating as of December 31, 2025. | ||||||
| Chirochem [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Medical material Manufacturing | Medical material Manufacturing | ||||||
| Percentage of ownership | 28.60% | 28.60% | 28.60% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori 2025 Secpmdary Venture Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Woori 2025 Secondary Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 20.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Woori 2022 Start-up Venture Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 30.10% | 30.10% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| WOORI 2022 Scaleup Venture Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 20.00% | 20.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| KB-KTB Technology Venture Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 18.20% | 18.20% | 18.20% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| KTBN Venture Fund No.18 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 10.10% | 10.10% | 10.10% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| KTBN Venture Fund No.16 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 10.30% | 10.30% | 10.30% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| KTBN Venture Fund No.13 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 19.60% | 19.60% | 19.60% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It has been liquidating as of December 31, 2025. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| KTBN Future Contents Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 13.30% | 13.30% | 13.30% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| NAVER-KTB Audio Contents Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 0.00% | 1.00% | 1.00% | |||||
| Location | Korea | Korea | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| KTB China Synergy Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 15.10% | 15.10% | 15.10% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| KTBN Media Contents Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 15.00% | 15.00% | 15.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | It has been liquidating as of December 31, 2025. | ||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| KTBN Digital Contents Korea Fund No 9 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 30.00% | 30.00% | 30.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It has been liquidating as of December 31, 2025. | It has been liquidating as of December 31, 2025. | ||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| KTBN GI Private Equity Fund [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 0.00% | 5.00% | 5.00% | |||||
| Location | Korea | Korea | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | The Group classified it as an associate because it has significant influence as a general partner of the investment association. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori Smart General Private Equity Investment Trust No.1(bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 28.40% | 28.40% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Future Energy Private Special Asset Investment Trust (General) No.1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Bank | Woori Bank | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 16.00% | 16.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| WOORI TAERIM 1st Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial Capital Co., Ltd. | Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 25.60% | 25.60% | 25.60% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Portone-Cape Fund No.1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial Capital Co., Ltd. | Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 0.00% | 20.00% | 20.00% | |||||
| Location | Korea | Korea | ||||||
| Darwin Green Packaging Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial Capital Co., Ltd. | Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 20.40% | 20.40% | 20.40% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Koreawide partners 2nd Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial Capital Co., Ltd. | Woori Financial Capital Co., Ltd. | ||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 26.70% | 26.70% | 26.70% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Global Secondary Private Placement Investment Trust No. 2 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Tongyang Life Insurance Co., Ltd. | Tongyang Life Insurance Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 12.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Big Satisfaction Corporation MMF No. 1 (Government Bond) | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Tongyang Life Insurance Co., Ltd. | Tongyang Life Insurance Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 0.70% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It was added to associates in current year. | It was added to associates in current year. | ||||||
| Description of nature of entity's relationship with associate | It was excluded from associates in current year. | It was excluded from associates in current year. | ||||||
| Woori GS West Street Strategic Solutions General Type Private Special Asset Investment Trust No.1 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | ABL Life Insurance Co., Ltd. | ABL Life Insurance Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 25.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori PGIF4 General Type Private Special Asset Investment Trust No.1 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | ABL Life Insurance Co., Ltd. | ABL Life Insurance Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 20.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Together TDF 2050 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Asset Management Co. Ltd. | |||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 0.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Woori Together TDF 2045 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Asset Management Co. Ltd. | |||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 0.00% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Woori USD Treasury Target Return Bond FoF | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Asset Management Co. Ltd. | |||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 0.00% | 23.90% | ||||||
| Location | Korea | Korea | ||||||
| Australia Green Energy 1st PEF | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Private Equity Asset Management Co., Ltd. | |||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 4.00% | 4.00% | 4.00% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Aarden Woori Apparel 1st Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Private Equity Asset Management Co., Ltd. | |||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 0.50% | 0.50% | 0.50% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Woori Dyno 1st Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Private Equity Asset Management Co., Ltd. | |||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 19.60% | 19.60% | 19.60% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| NH Woori Dino Co-Investment NO.2 Private Equity Fund | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Private Equity Asset Management Co., Ltd. | |||||||
| Main business | Other financial services | Other financial services | ||||||
| Percentage of ownership | 4.80% | 5.10% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| KCLAVIS NPL Investment Trust NO 12 [Member] | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial F&I Co., Ltd. | Woori Financial F&I Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 35.90% | 35.90% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Capstone Special Restructuring Private Investment Trust No.4 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Financial F&I Co., Ltd. | Woori Financial F&I Co., Ltd. | ||||||
| Main business | Collective investment business | Collective investment business | ||||||
| Percentage of ownership | 46.20% | 0.00% | ||||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| KTB-KORUS FUND | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 37.50% | 37.50% | 37.50% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It has been liquidating as of December 31, 2025. | It has been liquidating as of December 31, 2025. | ||||||
| KTBN Venture Fund No.8 | ||||||||
| Disclosure of investments in associates and joint ventures [Line Items] | ||||||||
| Investor | Woori Venture Partners Co., Ltd. | Woori Venture Partners Co., Ltd. | ||||||
| Main business | Asset Management | Asset Management | ||||||
| Percentage of ownership | 21.70% | 21.70% | 21.70% | |||||
| Location | Korea | Korea | ||||||
| Financial statements as of | Dec. 31, 2025 | Dec. 31, 2025 | ||||||
| Description of reasons why presumption that interest of less than twenty per cent in associate is overcome | It has been liquidating as of December 31, 2025. | It has been liquidating as of December 31, 2025. | ||||||
| Description of nature of entity's relationship with associate | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | In the event of liquidation, if the distribution payments made or to be made to the cooperative members are less than their contributions, an agreement has been made whereby the shortage will be covered, up to a certain amount within the investment, giving priority to specific shareholders over others. | ||||||
| ||||||||