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REVENUE - Revenue by Type (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Disaggregation of Revenue [Line Items] |  |
Revenue | $ 8,374 | $ 8,558
Sales tax | 0 | 2
Gold |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |
Revenue | 7,631 | 7,908
Spot market sales |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |
Revenue | 7,566 | 7,650
Concentrate sales |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |
Revenue | 65 | 258
Copper |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |
Revenue | 608 | 466
Other |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |
Revenue | $ 135 | $ 184

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