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13. INTANGIBLE ASSETS (Details 2)	Dec. 31, 2020
Disclosure of detailed information about intangible assets [line items]
Apreciation (devaluation) before	1.00%
Apreciation (devaluation) variations	0.00%
Apreciation (devaluation) after	(1.00%)
BRAZIL [member]
Disclosure of detailed information about intangible assets [line items]
WACC,before	14.22%
WACC, variations	13.22%
WACC, after	12.22%
EBIT MARGIN, before	13.76%
EBIT MARGIN, variation	12.76%
EBIT MARGIN,after	11.76%
International [member]
Disclosure of detailed information about intangible assets [line items]
WACC,before	12.21%
WACC, variations	11.21%
WACC, after	10.21%
EBIT MARGIN, before	11.77%
EBIT MARGIN, variation	10.77%
EBIT MARGIN,after	9.77%

X

- Definition

Represents as a percentage of appreciation and devaluation after variation.

+ References

No definition available.

+ Details

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X

- Definition

Represents as a percentage of appreciation and devaluation before variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- Definition

Represents as a percentage of appreciation and devaluation variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- Definition

The percentage of the earning before income tax margin after variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- Definition

Represents as a percentage of earning before income tax margin before variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- Definition

The percentage of the earning before income tax margin variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- Definition

Represents as a percentage of weighted average cost of capital after variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represents as a percentage of weighted average cost of capital before variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- Definition

Represents as a percentage of weighted average cost of capital variation.

+ References

No definition available.

+ Details

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Namespace Prefix:	brf_
Data Type:	num:percentItemType
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X

- 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.

+ References

No definition available.

+ Details

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- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type: