Finance debt (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
IfrsStatementLineItems [Line Items]
Borrowings	$ 28,801	$ 29,954
Current portion of non-current borrowings	4,322	3,576
Non-current portion of non-current borrowings	24,479	26,378
Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	6,091	4,908
Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	22,710	25,046
Banking Market [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	2,262	1,285
Banking Market [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	6,303	8,387
Capital Market [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	3,130	2,896
Capital Market [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	14,384	14,061
Development Banks [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	698	723
Other Debt [Member] \| Country Of Brazil [Member]
IfrsStatementLineItems [Line Items]
Borrowings	1	4
Other Debt [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	153	155
Export Credit Agencies [Member] \| Foreign countries [member]
IfrsStatementLineItems [Line Items]
Borrowings	$ 1,870	$ 2,443

The amount of outstanding funds that the entity is obligated to repay.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_LongtermBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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

- Details

Name:	ifrs-full_GeographicalAreasAxis=pbr_CountryOfBrazilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=ifrs-full_ForeignCountriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ExternalCreditGradesAxis=pbr_BankingMarketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ExternalCreditGradesAxis=pbr_CapitalMarketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ExternalCreditGradesAxis=pbr_DevelopmentBanksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ExternalCreditGradesAxis=pbr_OtherDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ExternalCreditGradesAxis=pbr_ExportCreditAgenciesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: