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Risk management (Details Narrative) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Risk Management
Foreign exchange gains (losses)	$ 83	$ 15

X

- Definition

The element represents foreign exchange gains.

+ References

No definition available.

+ Details

Name:	pbr_ForeignExchangeGains
Namespace Prefix:	pbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- References

No definition available.

+ Details

Name:	pbr_RiskManagementAbstract
Namespace Prefix:	pbr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration