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Provision for decommissioning costs (Details Narrative) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
IfrsStatementLineItems [Line Items]    
Provision established $ 478 $ 389
Cherne Cluster [Member]    
IfrsStatementLineItems [Line Items]    
Provision established 664  
Pescada Group [Member]    
IfrsStatementLineItems [Line Items]    
Provision established 46  
Tambau Fields [Member]    
IfrsStatementLineItems [Line Items]    
Provision established $ 338  
Urugua Group [Member]    
IfrsStatementLineItems [Line Items]    
Provision established   381
Pescada Cluster [Member]    
IfrsStatementLineItems [Line Items]    
Provision established   $ 41