v3.26.1
RISK MANAGEMENT (Details 5) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors R$ 155,760,211 R$ 176,892,411
Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 103,148,868 56,091,705
Financial Exposure Trading Portfolio Fair Value Fixed Rate [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 76,704,911 124,477,896
Financial Exposure Trading Portfolio Fair Value Fixed Rate [Member] | Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 38,242,679 10,549,194
Financial Exposure Trading Portfolio Fair Value I G P M General Index Of Market Pricing I P C A Consumer Price Index [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 12,020,758 2,438,885
Financial Exposure Trading Portfolio Fair Value I G P M General Index Of Market Pricing I P C A Consumer Price Index [Member] | Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 10,982,367 2,010,863
Financial Exposure Trading Portfolio Fair Value Exchange Coupon [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 341,370 668,191
Financial Exposure Trading Portfolio Fair Value Foreign Currency [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 9,035,717 14,134,242
Financial Exposure Trading Portfolio Fair Value Foreign Currency [Member] | Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 8,638,662 13,689,527
Financial Exposure Trading Portfolio Fair Value Equities [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 24,558,158 10,344,471
Financial Exposure Trading Portfolio Fair Value Equities [Member] | Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 24,644,617 9,979,524
Financial Exposure Trading Portfolio Fair Value Sovereign Eurobonds And Treasuries [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 22,300,246 21,988,976
Financial Exposure Trading Portfolio Fair Value Sovereign Eurobonds And Treasuries [Member] | Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 20,512,300 19,627,310
Financial Exposure Trading Portfolio Fair Value Other [Member] | Financial Exposure Trading Portfolio Fair Value Assets [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors 10,799,051 2,839,750
Financial Exposure Trading Portfolio Fair Value Other [Member] | Financial Exposure Trading Portfolio Fair Value Liabilities [Member]    
IfrsStatementLineItems [Line Items]    
Risk Factors R$ 128,243 R$ 235,287