Inventories (Details) - BRL (R$) R$ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Inventories [Line Items]
Current finished goods
Current work in progress	121,527	93,325
Spare parts and other	1,005,012	931,052
(-) Expected credit losses	(71,183)	(95,053)
Inventories	7,126,680	5,946,948
Pulp \| Domestic market (Brazil)
Inventories [Line Items]
Current finished goods	619,278	576,774
Pulp \| Foreign market
Inventories [Line Items]
Current finished goods	1,548,559	1,271,335
Paper \| Domestic market (Brazil)
Inventories [Line Items]
Current finished goods	666,547	569,771
Paper \| Foreign market
Inventories [Line Items]
Current finished goods	135,721	137,653
Wood
Inventories [Line Items]
Current work in progress	2,196,594	1,666,817
Operating supplies and packaging
Inventories [Line Items]
Current work in progress	R$ 904,625	R$ 795,274

A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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- Definition

The amount of current inventories. [Refer: Inventories]

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A classification of current inventory representing the amount of interchangeable parts that are kept in an inventory and are used for the repair or replacement of failed parts. [Refer: Inventories]

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- Definition

A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]

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The amount of an allowance account used to record impairments to financial assets due to credit losses.

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Inventories [Line Items]

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