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Risks and Financial Instruments - Sensitivity analysis of assets and liabilities in foreign currency (Detail) R$ in Thousands	Dec. 31, 2021 BRL (R$)
Disclosure of detailed information about financial instruments [line items]
Income statement effect	R$ (25,230)
Total	(25,230)
Income statement effect	25,230
Total	R$ 25,230

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

The amount of decrease in income statement effect regarding on Real appreciation risk.

+ References

No definition available.

+ Details

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X

- Definition

The amount of net effect regarding on Real appreciation risk.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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X

- Definition

The amount of increase in income statement effect regarding on Real devaluation risk.

+ References

No definition available.

+ Details

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X

- Definition

The amount of net effect regarding on Real devaluation risk.

+ References

No definition available.

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