v3.26.1
SUBORDINATED DEBTS (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Subordinated debt R$ 54,714,526 R$ 57,458,927
Subordinated Debt Maturity Perpetual [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 21,524,109 18,620,251
Nominal amount 19,064,300  
Original Term In Years 7 [Member] | Subordinated Debt Maturity 2025 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt   6,659,038
Original Term In Years 7 [Member] | Subordinated Debt Maturity 2027 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 24,005 640,590
Nominal amount 13,000  
Original Term In Years 8 [Member] | Subordinated Debt Maturity 2025 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt   3,693,797
Original Term In Years 8 [Member] | Subordinated Debt Maturity 2026 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 1,380,842 1,193,335
Nominal amount 694,800  
Original Term In Years 8 [Member] | Subordinated Debt Maturity 2028 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt   88,658
Original Term In Years 8 [Member] | Subordinated Debt Maturity 2030 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 3,923,963 3,365,783
Nominal amount 2,368,200  
Original Term In Years 9 [Member] | Subordinated Debt Maturity 2025 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt   755,966
Original Term In Years 9 [Member] | Subordinated Debt Maturity 2027 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 187,469 163,973
Nominal amount 89,700  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2025 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt   648,219
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2027 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 586,866 523,757
Nominal amount 256,243  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2026 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 655,486 571,365
Nominal amount 196,196  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2028 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 567,279 505,316
Nominal amount 248,300  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2030 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 213,615 210,044
Nominal amount 124,500  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2031 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 13,246,380 11,319,069
Nominal amount 7,270,000  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2032 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 8,884,021 7,606,668
Nominal amount 5,378,500  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2033 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 700,964 626,578
Nominal amount 531,000  
Original Term In Years 10 [Member] | Subordinated Debt Maturity 2035 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 2,519,653  
Nominal amount 2,503,500  
Original Term In Years 11 [Member] | Subordinated Debt Maturity 2027 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 118,795 102,990
Nominal amount 47,046  
Original Term In Years 11 [Member] | Subordinated Debt Maturity 2026 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 4,531 4,337
Nominal amount 2,500  
Original Term In Years 11 [Member] | Subordinated Debt Maturity 2028 [Member] | Subordinated Debt Region In Brazil [Member]    
IfrsStatementLineItems [Line Items]    
Subordinated debt 176,548 R$ 159,193
Nominal amount R$ 74,764