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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT (Details 14)
 12 Months Ended
Dec. 31, 2022
A1 rating [member] | Federal risk [member]  
IfrsStatementLineItems [Line Items]  
Equity Equal or over R$10 billion
A2 Rating [member] | Federal risk [member]  
IfrsStatementLineItems [Line Items]  
Equity Between R$5 billion and R$10 billion
A3 rating [member] | Federal risk [member]  
IfrsStatementLineItems [Line Items]  
Equity Between R$2 billion and R$5 billion
A 4 Rating [Member] | Federal risk [member]  
IfrsStatementLineItems [Line Items]  
Equity Between R$800 million and R$2 billion
A A A [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 10.00% [1],[2]
A A [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 10.00% [1],[2]
A A [Member] | A1 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 8.00% [1],[2]
A A [Member] | A2 Rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 7.00% [1],[2]
A A [Member] | A3 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 6.00% [1],[2]
A A [Member] | A 4 Rating [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 5.00% [1],[2]
A [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 10.00% [1],[2]
A [Member] | A1 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 7.00% [1],[2]
A [Member] | A2 Rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 6.00% [1],[2]
A [Member] | A3 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 5.00% [1],[2]
A [Member] | A 4 Rating [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 4.00% [1],[2]
B B B [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 10.00% [1],[2]
B B B [Member] | A1 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 6.00% [1],[2]
B B B [Member] | A2 Rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 5.00% [1],[2]
B B B [Member] | A3 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 4.00% [1],[2]
A A A Rating [Member] | A1 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 9.00% [1],[2]
A A A Rating [Member] | A2 Rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 8.00% [1],[2]
A A A Rating [Member] | A3 rating [member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 7.00% [1],[2]
A A A Rating [Member] | A 4 Rating [Member]  
IfrsStatementLineItems [Line Items]  
Limit per bank (% of equity) 6.00% [1],[2]
[1] The percentage assigned to each bank depends on individual assessment of indicators, e.g. liquidity, and quality of the credit portfolio.
[2] When the institution has different ratings from different risk rating agencies, the rating that is most favorable for the institution is taken into account.