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Shareholders equity - Share capital (Details) - BRL (R$) R$ / shares in Units, R$ in Thousands | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2024 | Apr. 25, 2024 | Feb. 15, 2024 | Dec. 31, 2023
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 100.00% |  |  | 100.00%
Common Stock Price | R$ 57.01 |  |  | R$ 55.63
Share capital | R$ 19,235,546 |  |  | R$ 9,235,546
Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity |  |  |  | 1,324,117,615
Treasury (Note 24.2) |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity |  |  | 1,304,117,615 |
(%) | 2.07% |  |  | 2.63%
Treasury (Note 24.2) | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 27,085,856 |  |  | 34,765,600
Share Capital |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Issued capital, ordinary shares |  | R$ 10,000,000 |  |
Share capital | R$ 19,269,281,000 | R$ 19,269,281 |  |
Share issue related cost | R$ 33,735,000 |  |  |
Share Capital | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 1,304,117,615 | 1,304,117,615 |  |
Suzano Holding S.A. |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 28.19% |  |  | 27.76%
Suzano Holding S.A. | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 367,612,329 |  |  | 367,612,329
Controller |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 15.03% |  |  | 14.81%
Controller | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 196,065,636 |  |  | 196,065,636
Managements and related persons |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 2.50% |  |  | 2.42%
Managements and related persons | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 32,565,566 |  |  | 32,105,783
Alden Fundo de Investimento em Ações |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 2.01% |  |  | 1.98%
Alden Fundo de Investimento em Ações | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 26,154,744 |  |  | 26,154,744
Controlling Shareholders |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 47.73% |  |  | 46.97%
Controlling Shareholders | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 622,398,275 |  |  | 621,938,492
Other shareholders |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
(%) | 50.20% |  |  | 50.40%
Other shareholders | Quantity |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |
Quantity | 654,633,484 |  |  | 667,413,523

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