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COMMITMENTS AND GUARANTEES (Contractual Obligations) (Details)
$ in Millions
Dec. 31, 2021
USD ($)
Unconditional purchase obligations [Line Items]  
Unconditional purchase obligations $ 4,300
2019 1,600
2020 1,500
2021 500
2022 200
2023 200
Thereafter 300
Copper concentrates  
Unconditional purchase obligations [Line Items]  
Unconditional purchase obligations 3,100
Electricity  
Unconditional purchase obligations [Line Items]  
Unconditional purchase obligations 300
Transportation  
Unconditional purchase obligations [Line Items]  
Unconditional purchase obligations $ 400