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Collateral for crude oil exploration concession agreements (Details Narrative) - Exploration and evaluation assets [member] - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
DisclosureCollateralForCrudeOilExplorationConcessionAgreementsLineItems [Line Items]
Collateral agreement amount gross	$ 1,913	$ 1,574
Collateral agreement amount	1,913	1,574
Oil Reserves 1 [Member]
DisclosureCollateralForCrudeOilExplorationConcessionAgreementsLineItems [Line Items]
Amount pledged on collateral	1,324	1,243
Bank Guarantees [Member]
DisclosureCollateralForCrudeOilExplorationConcessionAgreementsLineItems [Line Items]
Amount pledged on collateral	$ 589	$ 331

X

- Definition

The element represents assets pledged as collateral.

+ References

No definition available.

+ Details

Name:	pbr_AssetsPledgedAsCollateral
Namespace Prefix:	pbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The element represents collateral agreement amount.

+ References

No definition available.

+ Details

Name:	pbr_CollateralAgreementAmount
Namespace Prefix:	pbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The element represents collateral agreement amount gross.

+ References

No definition available.

+ Details

Name:	pbr_CollateralAgreementAmountGross
Namespace Prefix:	pbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

Name:	pbr_CollaborationArrangementsAxis=ifrs-full_ExplorationAndEvaluationAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=pbr_OilReserves1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=pbr_BankGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: