Schedule of federal taxes or through reimbursement (Details) - PIS and COFINS ("Federal Taxes to Social Fund Programs") [Member] R$ in Thousands	Dec. 31, 2021 BRL (R$)
IfrsStatementLineItems [Line Items]
Current	R$ 604,626
Non-current	1,737,111
2023	718,149
2024	687,602
2025	331,360
Total	R$ 2,341,737

Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

No definition available.

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

No definition available.

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

No definition available.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

No definition available.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

No definition available.

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Namespace Prefix:	brf_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

No definition available.

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No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Balance Type:
Period Type: