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Financial Instruments and Risk Management - Schedule of Credit Exposure (Details)
 12 Months Ended
Dec. 31, 2024
A1 rating [member] | Federal risk [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Equity Equal or over R$10 billion
A2 Rating [member] | Federal risk [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Equity Between R$5 billion and R$10 billion
A3 rating [member] | Federal risk [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Equity Between R$2 billion and R$5 billion
A 4 Rating [Member] | Federal risk [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Equity Between R$800 million and R$2 billion
A A A [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 10.00% [1],[2]
A A A [Member] | A1 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 9.00%
A A A [Member] | A2 Rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 8.00%
A A A [Member] | A3 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 7.00%
A A A [Member] | A 4 Rating [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 6.00%
A A [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 10.00%
A A [Member] | A1 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 8.00%
A A [Member] | A2 Rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 7.00%
A A [Member] | A3 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 6.00%
A A [Member] | A 4 Rating [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 5.00%
A [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 10.00%
A [Member] | A1 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 7.00%
A [Member] | A2 Rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 6.00%
A [Member] | A3 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 5.00%
A [Member] | A 4 Rating [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 4.00%
B B B [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 10.00%
B B B [Member] | A1 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 6.00%
B B B [Member] | A2 Rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 5.00%
B B B [Member] | A3 rating [member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity) 4.00%
B B B [Member] | A 4 Rating [Member]  
Disclosure of financial instruments by type of interest rate [line items]  
Limit per bank (% of equity)
[1]

When the institution has different ratings from different risk rating agencies, the rating that is most favorable for the institution is taken into account.
[2]

The percentage assigned to each bank depends on individual assessment of indicators, e.g. liquidity, and quality of the credit portfolio.