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Financial Instruments and Risk Management - Schedule of Credit Exposure (Details) | 12 Months Ended
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Dec. 31, 2023
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 [Member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 10.00% | [1],[2]
A A [Member] | A1 rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 8.00% | [1],[2]
A A [Member] | A2 Rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 7.00% | [1],[2]
A A [Member] | A3 rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 6.00% | [1],[2]
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% | [1],[2]
A [Member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 10.00% | [1],[2]
A [Member] | A1 rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 7.00% | [1],[2]
A [Member] | A2 Rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 6.00% | [1],[2]
A [Member] | A3 rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 5.00% | [1],[2]
A [Member] | A 4 Rating [Member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 4.00% | [1],[2]
B B B [Member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 10.00% | [1],[2]
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% | [1],[2]
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% | [1],[2]
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% | [1],[2]
A A A Rating [Member] | A1 rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 9.00% | [1],[2]
A A A Rating [Member] | A2 Rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 8.00% | [1],[2]
A A A Rating [Member] | A3 rating [member] |  |
Disclosure of financial instruments by type of interest rate [line items] |  |
Limit per bank (% of equity) | 7.00% | [1],[2]
A A A Rating [Member] | A 4 Rating [Member] |  |
Disclosure of financial instruments by type of interest rate [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.

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