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Company's Operations - Cancellation of shares and new share buyback program (Details) - BRL (R$) R$ / shares in Units, R$ in Thousands |  | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jan. 26, 2024 | Jun. 30, 2024 | Feb. 15, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Company's Operations [Line Items] |  |  |  |  |
Treasury shares cancelled |  |  |  |  |
Treasury shares |  | 1,304,843 |  | R$ 1,484,014 | R$ 2,120,324
Treasury shares |  |  |  |  |
Company's Operations [Line Items] |  |  |  |  |
Treasury shares cancelled |  | R$ 853,725 |  |  |
Treasury shares | R$ 9,269,281 |  |  |  |
Quantity |  |  | 1,304,117,615 |  |
Treasury shares cancelled |  |  |  |  |
Company's Operations [Line Items] |  |  |  |  |
Average price of common shares | R$ 42.69 |  |  |  |
Treasury shares cancelled | R$ 853,725 |  |  |  |
Exercised | 40,000,000 |  |  |  |
Period for shares to be held as treasury shares | 18 months |  |  |  |

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