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Goodwill and Intangible Assets, Net - Summary of Consolidated Goodwill, Intangible Assets and Deferred Charges (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill $ 9,763 $ 10,252
Goodwill [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 7,984 8,506
Extraction rights [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 1,350 1,358
Industrial property and trademarks [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 23 24
Mining projects [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 45 43
Internally developed software [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 228 213
Others intangible assets [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 133 108
Cost [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 11,098 11,603
Cost [member] | Goodwill [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 7,984 8,506
Cost [member] | Extraction rights [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 1,781 1,774
Cost [member] | Industrial property and trademarks [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 45 44
Cost [member] | Customer relationships [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 196 196
Cost [member] | Mining projects [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 52 49
Cost [member] | Internally developed software [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 689 636
Cost [member] | Others intangible assets [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill 351 398
Accumulated Depreciation, amortization and Impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill (1,335) (1,351)
Accumulated Depreciation, amortization and Impairment [member] | Extraction rights [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill (431) (416)
Accumulated Depreciation, amortization and Impairment [member] | Industrial property and trademarks [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill (22) (20)
Accumulated Depreciation, amortization and Impairment [member] | Customer relationships [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill (196) (196)
Accumulated Depreciation, amortization and Impairment [member] | Mining projects [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill (7) (6)
Accumulated Depreciation, amortization and Impairment [member] | Internally developed software [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill (461) (423)
Accumulated Depreciation, amortization and Impairment [member] | Others intangible assets [Member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Intangible assets and goodwill $ (218) $ (290)