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Impairment (Details 2) - Property Plant And Equipment And Intangible Assets [Member]
Dec. 31, 2022
Number
Dec. 31, 2021
Number
Dec. 31, 2020
Number
IfrsStatementLineItems [Line Items]      
Average Brent 55 55 50
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate 4.76 5.08 3.76
Two Thousand Twenty Three [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent 85 65 50
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate 5.02 5.33 4.46
Two Thousand Twenty Four [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent 80 60 50
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate 5.00 5.19 4.28
Two Thousand Twenty Five [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent 75 55 50
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate 5.00 5.15 4.07
Two Thousand Twenty Six [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent 70 55  
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate 4.97 5.14  
Two Thousand Twenty Seven [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent 65    
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate 4.88    
Two Thousand Twenty Two [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent   72 45
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate   5.40 4.69
Two Thousand Twenty One [Member]      
IfrsStatementLineItems [Line Items]      
Average Brent     45
Average Brazilian Real (excluding inflation) - Real /U.S. dollar exchange rate     5.50