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Intangible Assets (Composition) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period $ 670  
Balance at end of period 867 $ 670
Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 1,107 1,046
Additions in respect of business combinations 252 26
Additions 27 21
Exit from consolidation   (15)
Translation differences (67) 29
Balance at end of period 1,319 1,107
Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (437) (394)
Amortization for the year 36 28
Impairment   5
Exit from consolidation   (5)
Translation differences (21) 15
Balance at end of period (452) (437)
Goodwill [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 320  
Balance at end of period 502 320
Goodwill [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 341 323
Additions in respect of business combinations 210 18
Additions 0 0
Exit from consolidation   0
Translation differences (29) 0
Balance at end of period 522 341
Goodwill [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (21) (21)
Amortization for the year 0 0
Impairment   0
Exit from consolidation   0
Translation differences (1) 0
Balance at end of period (20) (21)
Concessions and mining rights [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 144  
Balance at end of period 135 144
Concessions and mining rights [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 218 209
Additions in respect of business combinations 0 0
Additions 0 0
Exit from consolidation   0
Translation differences (3) 9
Balance at end of period 215 218
Concessions and mining rights [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (74) (70)
Amortization for the year 6 2
Impairment   0
Exit from consolidation   0
Translation differences 0 2
Balance at end of period (80) (74)
Trademarks [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 58  
Balance at end of period 54 58
Trademarks [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 92 86
Additions in respect of business combinations 1 0
Additions 0 0
Exit from consolidation   0
Translation differences (5) 6
Balance at end of period 88 92
Trademarks [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (34) (28)
Amortization for the year 3 3
Impairment   0
Exit from consolidation   0
Translation differences (3) 3
Balance at end of period (34) (34)
Technology / patents [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 38  
Balance at end of period 39 38
Technology / patents [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 93 84
Additions in respect of business combinations 2 7
Additions 6 1
Exit from consolidation   (5)
Translation differences (4) 6
Balance at end of period 97 93
Technology / patents [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (55) (49)
Amortization for the year 5 5
Impairment   0
Exit from consolidation   (2)
Translation differences (2) 3
Balance at end of period (58) (55)
Customer relationships [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 49  
Balance at end of period 72 49
Customer relationships [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 172 176
Additions in respect of business combinations 39 1
Additions 1 0
Exit from consolidation   (10)
Translation differences (9) 5
Balance at end of period 203 172
Customer relationships [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (123) (114)
Amortization for the year 12 9
Impairment   0
Exit from consolidation   (3)
Translation differences (4) 3
Balance at end of period (131) (123)
Computer application [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 42  
Balance at end of period 50 42
Computer application [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 118 99
Additions in respect of business combinations 0 0
Additions 19 18
Exit from consolidation   0
Translation differences (13) 1
Balance at end of period 124 118
Computer application [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (76) (68)
Amortization for the year 7 7
Impairment   0
Exit from consolidation   0
Translation differences (9) 1
Balance at end of period (74) (76)
Other Intangible Assets [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 19  
Balance at end of period 15 19
Other Intangible Assets [Member] | Gross [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period 73 69
Additions in respect of business combinations 0 0
Additions 1 2
Exit from consolidation   0
Translation differences (4) 2
Balance at end of period 70 73
Other Intangible Assets [Member] | Accumulated impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of period (54) (44)
Amortization for the year 3 2
Impairment   5
Exit from consolidation   0
Translation differences (2) 3
Balance at end of period $ (55) $ (54)