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Risk management (Details 2) - Probable Scenario [Member] R$ in Thousands	3 Months Ended
	Mar. 31, 2024 BRL (R$) Number
IfrsStatementLineItems [Line Items]
Total effect on the net financial result in (loss)	R$ (49,535)
United State Currency [Member]
IfrsStatementLineItems [Line Items]
Net currency exposure	R$ 272,009
Currency rate | Number	4.9962
Exchange rate estimated according to the scenario | Number	4.9700
Differences between the rates	0.0262%
Effect on net financial result R$ - (gain)	R$ 7,127
Japan Currency [Member]
IfrsStatementLineItems [Line Items]
Net currency exposure	R$ 39,077,331
Currency rate | Number	0.03301
Exchange rate estimated according to the scenario | Number	0.03446
Differences between the rates	(0.00145%)
Effect on the net financial result R$ - (loss)	R$ (56,662)

X

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

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- Definition

The gross gain arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)]

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