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Schedule of costs incurred are summarized below and include both amounts expensed and capitalized - Oil And Gas Producing Activities [member] - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Oil Products [member]      
IfrsStatementLineItems [Line Items]      
Manati [Member] $ 892   $ 24
Exploration costs 758 $ 687 815
Development costs 6,914 6,079 5,667
Total 8,564 6,766 6,821
Long Term Position Of Hedging Instrument     315
Oil Products [member] | Brazil [Member]      
IfrsStatementLineItems [Line Items]      
Manati [Member] 892   24
Exploration costs 707 682 805
Development costs 6,883 6,035 5,664
Total 8,482 6,717 6,808
Long Term Position Of Hedging Instrument     315
Oil Products [member] | South America [Member]      
IfrsStatementLineItems [Line Items]      
Exploration costs 51 5 10
Development costs 31 44 3
Total 82 49 13
Oil Products [member] | Foreign countries [member]      
IfrsStatementLineItems [Line Items]      
Exploration costs 51 5 10
Development costs 31 44 3
Total 82 49 13
Equity Portfolio Amount      
IfrsStatementLineItems [Line Items]      
Exploration costs 1    
Development costs 30 37 57
Total $ 31 $ 37 $ 57