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CONTINGENCIES (Royalty Dispute Schedule) (Details) - USD ($) $ in Millions | 12 Months Ended | 24 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018
Loss Contingencies [Line Items] |  |  |  |
Production and delivery | $ 11,691 | $ 10,266 | $ 10,687 |
Interest expense, net | 945 | 801 | 755 |
Provision for (benefit from) income taxes | (991) | (883) | (371) |
Net loss attributable to noncontrolling interests | 292 | 274 | $ 227 |
Cerro Verde | Cerro Verde Royalty Dispute | Royalty Assessments |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Production and delivery | 14 | 203 |  | $ 217
Interest expense, net | 370 | 145 |  | 515
Other expense | 22 | 0 |  | 22
Provision for (benefit from) income taxes | 35 | (7) |  | 28
Net loss attributable to noncontrolling interests | (176) | (169) |  | (345)
Loss contingency, loss In period, attributable to parent | $ 195 | 186 |  | $ 381
December 2006 To September 2011 | Cerro Verde | Cerro Verde Royalty Dispute | Royalty Assessments |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Production and delivery |  | 175 |  |
October 2011 to 2013 | Cerro Verde | Cerro Verde Royalty Dispute | Royalty Assessments |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Provision for (benefit from) income taxes |  | 69 |  |
October 2011 to 2013 | Cerro Verde | Cerro Verde Royalty Dispute | Disputed Royalty Assessments [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Provision for (benefit from) income taxes |  | (136) |  |
October 2011 to 2013 | Cerro Verde | Cerro Verde Royalty Dispute | Royalty Assessments, Taxes [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Provision for (benefit from) income taxes |  | (67) |  |
December 2006 to Tax Year 2013 | Cerro Verde | Cerro Verde Royalty Dispute | Royalty Assessments |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Provision for (benefit from) income taxes |  | $ 129 |  |

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