XML 308 R174.htm IDEA: XBRL DOCUMENT v3.23.1
Collateral for crude oil exploration concession agreements (Details Narrative) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Collateral for crude oil exploration concession agreements, amount $ 1,748 $ 1,574
Exploration and evaluation assets [member]    
IfrsStatementLineItems [Line Items]    
Assets pledged as collateral 1,648 1,243
Exploration And Evaluation Asset [Member]    
IfrsStatementLineItems [Line Items]    
Assets pledged as collateral $ 100 $ 331