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OTHER ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2014
Other Assets [Abstract] |
Schedule of Other Assets [Table Text Block] | The components of other assets follow:
| December 31,
| 2014 |  | 2013
Disputed tax assessments:a |  |  |
PT-FI | $ | 279 |  |  | $ | 255 |
Cerro Verde | 232 |  |  | 72 |
Intangible assets b | 334 |  |  | 380 |
Investments: |  |  |
Assurance bond c | 115 |  |  | — |
PT Smelting d | 107 |  |  | 71 |
Available-for-sale securities | 46 |  |  | 44 |
Other | 60 |  |  | 63 |
Legally restricted funds e | 172 |  |  | 392 |
Loan to a DRC public electric utility | 164 |  |  | 152 |
Debt issue costs | 141 |  |  | 107 |
Deferred drillship costs | 113 |  |  | — |
Long-term receivable for income tax refunds | 63 |  |  | 77 |
Loan to Gécamines (related party) | 37 |  |  | 34 |
Other | 214 |  |  | 151 |
Total other assets | $ | 2,077 |  |  | $ | 1,798 |
a. | Refer to Note 12 for further discussion.
b. | Intangible assets were net of accumulated amortization totaling $62 million at December 31, 2014, and $57 million at December 31, 2013.
c. | Relates to PT-FI's commitment for smelter development in Indonesia at December 31, 2014 (refer to Note 13 for further discussion).
d. | FCX's 25 percent ownership in PT Smelting (smelter and refinery in Gresik, Indonesia) is recorded using the equity method. Amounts were reduced by unrecognized profits on sales from PT-FI to PT Smelting totaling $24 million at December 31, 2014, and $58 million at December 31, 2013.
e. | Includes $168 million for AROs related to properties in New Mexico at December 31, 2014, and a $210 million time deposit that secured a bank guarantee (until the time deposit was released as security for the bank guarantee in 2014) associated with the Cerro Verde royalty dispute and $158 million for AROs related to properties in New Mexico at December 31, 2013 (refer to Note 12 for further discussion).

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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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