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35 Financial Instruments (Details 4) - Foreign exchange risk [member] R$ in Thousands	12 Months Ended
	Dec. 31, 2020 BRL (R$)
Exchange rate Variation - increase [member]
Disclosure of risk management strategy related to hedge accounting [line items]
Gains (losses) on operations with derivative financial instruments, Exchange rate variation	Increase
Gains (losses) on operations with derivative financial instruments, Baseline	R$ 23,308
Gains (losses) on operations with derivative financial instruments, Probable	29,230
Gains (losses) on operations with derivative financial instruments, Projected scenario 1	56,504
Gains (losses) on operations with derivative financial instruments, Projected scenario 2	R$ 83,186
Exchange rate variation - decrease [member]
Disclosure of risk management strategy related to hedge accounting [line items]
Gains (losses) on operations with derivative financial instruments, Exchange rate variation	Decrease
Gains (losses) on operations with derivative financial instruments, Baseline	R$ 23,308
Gains (losses) on operations with derivative financial instruments, Probable	29,230
Gains (losses) on operations with derivative financial instruments, Projected scenario 1	3,140
Gains (losses) on operations with derivative financial instruments, Projected scenario 2	R$ (23,541)

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- Definition

The amount of gains losses on operations with derivative financial instruments baseline.

+ References

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- Definition

The amount of gains losses on operations with derivative financial instruments exchange rate variation.

+ References

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- Definition

The amount of gains losses on operations with derivative financial instruments probable.

+ References

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- Definition

The amount of gains losses on operations with derivative financial instruments projected scenario1.

+ References

No definition available.

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- Definition

The amount of gains losses on operations with derivative financial instruments projected scenario2.

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- Definition

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

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