XML 367 R233.htm IDEA: XBRL DOCUMENT v3.23.1
Subsequent events (Details 6) - bbl
bbl in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 10,470 9,878 8,816
Net Proved developed reserves   5,686 5,833
Net Proved Undeveloped reserves 5,347 4,192 2,983
Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 5,109 5,670 5,814
Net Proved developed reserves 15 16 18
Net Proved Undeveloped reserves 5,345 4,190 2,982
Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved Undeveloped reserves 2 2 1
Total Consolidated And Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 5,124    
Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 5,093 5,656 5,810
Net Proved Undeveloped reserves 5,330 4,173 2,982
South America Outside Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 16 14 5
Net Proved Undeveloped reserves 14 17  
North America [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 15 16 18
North America [Member] | Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved Undeveloped reserves 2 2 1
Crude Oil 1 [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 8,926 8,425 7,552
Net Proved developed reserves 4,200 4,727 4,875
Net Proved Undeveloped reserves 4,726 3,698 2,678
Crude Oil 1 [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 4,186 4,712 4,858
Net Proved developed reserves 14 15 17
Net Proved Undeveloped reserves 4,724 3,696 2,676
Crude Oil 1 [Member] | Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved Undeveloped reserves 2 2 1
Crude Oil 1 [Member] | Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 4,185 4,711 4,858
Net Proved Undeveloped reserves 4,723 3,695 2,676
Crude Oil 1 [Member] | South America Outside Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 1 1  
Net Proved Undeveloped reserves 1 1  
Crude Oil 1 [Member] | North America [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 14 15 17
Crude Oil 1 [Member] | North America [Member] | Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved Undeveloped reserves 2 2 1
Natural Gas [member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 9,267 8,639 7,580
Net Proved developed reserves 5,543 5,675 5,747
Net Proved Undeveloped reserves 3,724 2,964 1,833
Natural Gas [member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 5,538 5,669 5,740
Net Proved developed reserves 5 6 7
Net Proved Undeveloped reserves 3,723 2,963 1,833
Natural Gas [member] | Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved Undeveloped reserves 1 1 1
Natural Gas [member] | Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 5,447 5,591 5,714
Net Proved Undeveloped reserves 3,641 2,865 1,833
Natural Gas [member] | South America Outside Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 91 79 26
Net Proved Undeveloped reserves 82 98  
Natural Gas [member] | North America [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves 5 6 7
Natural Gas [member] | North America [Member] | Equity Method Investees [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved Undeveloped reserves 1 1 1
Synthetic Oil [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves   10  
Net Proved developed reserves   10  
Synthetic Oil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves   10  
Synthetic Oil [Member] | Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves   10  
Synthetic Gas [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves   18  
Net Proved developed reserves   18  
Synthetic Gas [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves   18  
Synthetic Gas [Member] | Brazil [Member] | Total Consolidated Entities [Member]      
IfrsStatementLineItems [Line Items]      
Net Proved developed reserves   18