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Risk management (Details 3) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Guarantees given as collateral	$ 52	$ 96
Commodity Derivatives [Member]
IfrsStatementLineItems [Line Items]
Guarantees given as collateral	$ 52	$ 96

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- References

No definition available.

+ Details

Name:	PBR_GuaranteesGivenAsCollateral
Namespace Prefix:	PBR_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	PBR_IfrsStatementLineItems
Namespace Prefix:	PBR_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=PBR_CommodityDerivativesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: