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Investments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
IfrsStatementLineItems [Line Items]        
Results of equity-accounted investments $ (22) $ (9) $ 13 $ 341
Joint ventures where entity is venturer [member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2021     546 509
Investments     10 14
Transfer to assets held for sale       1
Restructuring, capital decrease and others     (1)
Results of equity-accounted investments     54 157
Translation adjustment     3 2
Other comprehensive income     1
Dividends     (57) (105)
Balance at June 30, 2022 556 578 556 578
Associates [member]        
IfrsStatementLineItems [Line Items]        
Balance at December 31, 2021     1,020 1,001
Investments     7 5
Transfer to assets held for sale       (59)
Restructuring, capital decrease and others     1 (14)
Results of equity-accounted investments     (41) 184
Translation adjustment     (104) (16)
Other comprehensive income     206 144
Dividends     (1) (106)
Balance at June 30, 2022 $ 1,088 $ 1,139 $ 1,088 $ 1,139