Cover Page	6 Months Ended
	Jun. 30, 2020
Cover [Abstract]
Document Type	6-K/A
Amendment Flag	true
Amendment Description	EXPLANATORY NOTE Petrobras is amending its report on Form 6-K furnished to the Securities and Exchange Commission on July 31, 2020 (File/Film Number: 001-15106 / 201063901) (the “Original 6-K”) solely for the purpose of adding Exhibit 101, which contains Interactive Data File disclosure in accordance with Rule 405 of Regulation S-T. Except as described above, this amendment does not amend any information set forth in the Original 6-K.
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Entity Registrant Name	PETROBRAS - PETROLEO BRASILEIRO SA
Entity Central Index Key	0001119639
Current Fiscal Year End Date	--12-31