Financial instruments and risk management (Details 10) - Fair value hedges [member] - Commodity price risk [member] R$ in Thousands	12 Months Ended
Dec. 31, 2023 BRL (R$) Number
IfrsStatementLineItems [Line Items]
Notional	69,633
Fair value \| R$	R$ (592)
Corn Future Sell [Member]
IfrsStatementLineItems [Line Items]
Hedged object	Corn purchase - fixed price
Index	Corn - B3
Maturity	3rd Qtr. 2024
Notional	69,633
Exercise rate	1,199.42
Fair value \| R$	R$ (592)

The nominal amount of a hedging instrument. [Refer: Hedging instruments [member]]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 23B
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_23B_a&doctype=Standard
-URIDate 2023-03-23

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 24A
-Subparagraph d
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_24A_d&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_NominalAmountOfHedgingInstrument
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant