XML 211 R164.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Financial and capital risk management (Details 17) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Cash And Cash Equivalents Current [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure $ 3,660 $ 4,797
Cash And Cash Equivalents Current [Member] | Moody's, Aa1 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 32
Cash And Cash Equivalents Current [Member] | Moody's, Aa2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 338 342
Cash And Cash Equivalents Current [Member] | Moody's, Aa3 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 42 239
Cash And Cash Equivalents Current [Member] | Moody's, A1 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 2,022 1,746
Cash And Cash Equivalents Current [Member] | Moody's, A2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 309 938
Cash And Cash Equivalents Current [Member] | Moody's, A3 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 186 918
Cash And Cash Equivalents Current [Member] | Moody's, Baa1 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 2
Cash And Cash Equivalents Current [Member] | Moody's, Baa2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 16 7
Cash And Cash Equivalents Current [Member] | Moody's, Ba1 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 85
Cash And Cash Equivalents Current [Member] | Moody's, Ba2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 287 411
Cash And Cash Equivalents Current [Member] | Moody's, Ba3 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 373 164
Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 815 538
Derivatives [member] | Moody's, Aa2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 5
Derivatives [member] | Moody's, Aa3 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure
Derivatives [member] | Moody's, A1 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 50 97
Derivatives [member] | Moody's, A2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 293 145
Derivatives [member] | Moody's, A3 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 22 63
Derivatives [member] | Moody's, Ba1 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure
Derivatives [member] | Moody's, Ba2 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure 314 174
Derivatives [member] | Moody's, Ba3 Rating [Member]    
IfrsStatementLineItems [Line Items]    
Credit exposure $ 136 $ 54