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BUSINESS SEGMENTS INFORMATION (Business Segments Narrative) (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Nov. 03, 2014
Candelaria and Ojos del Salado Mining Complex |  |
Mining Segment Reporting Information [Line Items] |  |
Ownership percentage |  | 80.00%
Indonesia | Cost of Goods, Product Line | Supplier Concentration Risk | Atlantic Copper Smelting & Refining |  |
Mining Segment Reporting Information [Line Items] |  |
Concentration risk percentage | 3.00% |
North America | Inventory, Copper Metal Production | Product Concentration Risk | Morenci |  |
Mining Segment Reporting Information [Line Items] |  |
Concentration risk percentage | 46.00% |
North America | Cost of Goods, Product Line | Supplier Concentration Risk | Atlantic Copper Smelting & Refining |  |
Mining Segment Reporting Information [Line Items] |  |
Concentration risk percentage | 13.00% |
South America | Inventory, Copper Metal Production | Product Concentration Risk | Cerro Verde |  |
Mining Segment Reporting Information [Line Items] |  |
Concentration risk percentage | 83.00% |
South America | Cost of Goods, Product Line | Supplier Concentration Risk | Atlantic Copper Smelting & Refining |  |
Mining Segment Reporting Information [Line Items] |  |
Concentration risk percentage | 7.00% |
PT Smelting |  |
Mining Segment Reporting Information [Line Items] |  |
Deferred intercompany profit | 25.00% |
PT Smelting | Indonesia |  |
Mining Segment Reporting Information [Line Items] |  |
Ownership percentage | 25.00% |
Morenci |  |
Mining Segment Reporting Information [Line Items] |  |
Ownership percentage | 72.00% |

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