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The following table details the amount of the decommissioning provision by producing area: (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2021
Dec. 31, 2020
IfrsStatementLineItems [Line Items]        
Decommissioning provision $ 15,474 $ 15,619 $ 19,172 $ 18,780
Onshore [Member]        
IfrsStatementLineItems [Line Items]        
Decommissioning provision 500 873    
Shallow Waters [Member]        
IfrsStatementLineItems [Line Items]        
Decommissioning provision 3,834 3,732    
Deep And Ultradeep Postsalt [Member]        
IfrsStatementLineItems [Line Items]        
Decommissioning provision 8,410 8,420    
Pre Salt [Member]        
IfrsStatementLineItems [Line Items]        
Decommissioning provision $ 2,730 $ 2,594