v3.26.3
Equity (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Apr. 16, 2026
Nov. 27, 2025
Jan. 29, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]              
Share capital net of issuance costs       $ 107,101,000   $ 107,101,000  
Cancellation of treasury shares     155,764,169        
Cancellation capital reserve     $ 2,000        
Profit retention reserve     $ 1,116,000        
Dividends amount $ 7,507,000            
Dividends exceed   $ 50   $ 1,846,000 $ 2,083,000 6,040,000  
Additional dividends proposed $ 1,467,000            
Dividends distributed rate   10.00%          
Description of approved anticipation of dividends       On May 11, 2026, Petrobras’s Board of Directors approved the distribution of remuneration to shareholders in the amount of US$ 1,845 or R$ 9,034 million (US$ 0.1431 per outstanding common and preferred shares, or R$ 0.7010), based on the net income for the three-month period ended March 31, 2026, considering the application of the Shareholder Remuneration Policy formula      
Reduction of income tax expense       $ 617,000      
Unclaimed dividends       170,000 $ 280,000 $ 187,000 $ 276,000
Bottom of range [member]              
IfrsStatementLineItems [Line Items]              
Income tax rate applicable   15.00%          
Top of range [member]              
IfrsStatementLineItems [Line Items]              
Income tax rate applicable   17.50%          
Ordinary shares [member]              
IfrsStatementLineItems [Line Items]              
Income tax expense       $ 545,000