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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2024
Subclassifications of assets, liabilities and equities [abstract] |
Schedule of Inventory |
| 12/31/2024 |  | 12/31/2023
Finished goods |  |  |
Pulp |  |  |
Domestic (Brazil) | 801,623 |  |  | 576,774 |
Foreign | 1,510,985 |  |  | 1,271,335 |
Paper |  |  |
Domestic (Brazil) | 561,409 |  |  | 569,771 |
Foreign | 362,027 |  |  | 137,653 |
Work in process | 135,380 |  |  | 93,325 |
Raw materials |  |  |
Wood | 2,287,406 |  |  | 1,666,817 |
Operating supplies and packaging | 1,098,894 |  |  | 795,274 |
Spare parts and other | 1,302,534 |  |  | 931,052 |
(-) Expected losses | (97,934) |  |  | (95,053) |
| 7,962,324 |  |  | 5,946,948 |
Schedule Of Changes In Provisions For Inventory Losses |
| 12/31/2024 |  | 12/31/2023
Opening balance | (95,053) |  |  | (105,989) |
Additions | (83,705) |  |  | (65,085) |
Reversals | 6,352 |  |  | 33,666 |
Write-offs | 74,472 |  |  | 42,355 |
Closing balance | (97,934) |  |  | (95,053) |

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