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Company's Operations - Cancellation of shares and new share buyback program (Details) - BRL (R$) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Aug. 09, 2024 | Jan. 26, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Aug. 30, 2024
Company's Operations [Line Items] |  |  |  |  |
Canceled |  |  | (60,000,000,000) | (37,145,969,000) |
Treasury shares canceled (Note 24.2) |  |  |  |  |
Share capital |  |  | 19,235,546,000 | R$ 9,235,546,000 |
Treasury shares cancelled |  |  |  |  |
Company's Operations [Line Items] |  |  |  |  |
Canceled | 40,000,000 | 20,000,000 |  |  |
Average price of common shares | R$ 51.25 | R$ 42.69 |  |  |
Treasury shares canceled (Note 24.2) | R$ 2,050,062 | R$ 853,725,000 |  |  |
Share Repurchase Program Authorised |  |  |  |  | 40,000,000
Period for shares to be held as treasury shares |  | 18 months |  |  |
Share Capital |  |  |  |  |
Company's Operations [Line Items] |  |  |  |  |
Share capital |  |  | 19,269,281,000 |  | R$ 19,269,281
Treasury shares |  |  |  |  |
Company's Operations [Line Items] |  |  |  |  |
Treasury shares canceled (Note 24.2) |  |  | R$ 2,903,787,000 |  |
Quantity |  |  |  |  | 1,264,117,615

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