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Stockholders’ equity (Details Narrative) R$ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 $ / shares shares | Dec. 31, 2024 BRL (R$) | Dec. 31, 2023 shares | Dec. 31, 2022 shares
IfrsStatementLineItems [Line Items] |  |  |  |
Shares of capital stock, ending balance | 9,804,135,348 |  | 9,804,135,348 | 9,804,135,348
Outstanding shares | 9,776,104,515 |  | 9,803,698,677 | 9,800,866,660
Adjusted net income rate |  | 25.00% |  |
Non-cumulative per share | $ / shares | $ 0.022 |  |  |
Dividends per share | $ / shares | $ 0.015 |  |  |
Net income remaining after the distribution of dividends and appropriations to statutory reserves | R$ |  | R$ 854 |  |
Ordinary shares [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Shares of capital stock, ending balance | 4,958,290,359 |  | 4,958,290,359 | 4,958,290,359
Outstanding shares | 4,958,290,359 |  | 4,958,290,359 | 4,958,290,359
Preference shares [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Shares of capital stock, ending balance | 4,845,844,989 |  | 4,845,844,989 | 4,845,844,989
Outstanding shares | 4,817,814,156 |  | 4,845,408,318 | 4,842,576,301

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