XML 224 R215.htm IDEA: XBRL DOCUMENT v3.23.1
Commitments and guarantee - Guarantee (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
IfrsStatementLineItems [Line Items]    
Guarantee $ 2,166 $ 2,200
Restricted cash 73 50
Liability [1] 103 542
Associatesa And Joint Ventures [Member]    
IfrsStatementLineItems [Line Items]    
Guarantee 1,522 1,513
Restricted cash
Liability [1] 103 542
Assets Retirement Obligations [Member]    
IfrsStatementLineItems [Line Items]    
Guarantee 644 605
Restricted cash 73 50
Liability [1]
Loans And Financing [Member]    
IfrsStatementLineItems [Line Items]    
Guarantee 82
Restricted cash
Liability [1]
[1] The fair value of these financial guarantees is recorded as “Other financial liabilities” (note 14).