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Cover
 12 Months Ended
Dec. 31, 2022
shares
Entity Addresses [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2022
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2022
Current Fiscal Year End Date --12-31
Entity File Number 001-15106
Entity Registrant Name PETROBRAS - PETROLEO BRASILEIRO SA
Entity Central Index Key 0001119639
Entity Incorporation, State or Country Code D5
Entity Address, Address Line One Avenida República do Chile, 65
Entity Address, City or Town Rio de Janeiro
Entity Address, Country BR
Entity Address, Postal Zip Code 20031-912
City Area Code 55
Local Phone Number 3224
Title of 12(b) Security Petrobras American Depositary Shares, or ADSs
Trading Symbol PBR
Security Exchange Name NYSE
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Entity Common Stock, Shares Outstanding 7,442,231,382
Contact Personnel Email Address dfinri@petrobras.com.br
ICFR Auditor Attestation Flag true
Auditor Firm ID 1124
Auditor Name KPMG Auditores Independentes Ltda.
Auditor Location Rio de Janeiro
Business Contact [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One Avenida República do Chile, 65
Entity Address, City or Town Rio de Janeiro
Entity Address, Country BR
Entity Address, Postal Zip Code 20031
Contact Personnel Name Rodrigo Araujo Alves