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CONTINGENCIES (Other Contingencies) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 PT Freeport Indonesia [Member] | Dec. 31, 2013 PT Freeport Indonesia [Member] | Dec. 31, 2012 PT Freeport Indonesia [Member]
Other contingencies by location [Line Items] |  |  |  |  |  |
Cap For Indemnity Obligations Provided Upon Sale Agreement Related To Former Subsidiary | $ 107 |  |  |  |  |
Outstanding Standby Letters Of Credit | 326 |  |  |  |  |
Outstanding Surety Bonds Total | 331 |  |  |  |  |
Portion Of Surety Bonds Related To Reclamation And Closing Costs | 268 |  |  |  |  |
Portion Of Surety Bonds Related To Workers Compensation Self Insurance | 21 |  |  |  |  |
Other Surety Bonds | 42 |  |  |  |  |
Self Insurance Reserve | 52 |  |  |  |  |
Self Insurance Reserve, Current | 8 |  |  |  |  |
Self Insurance Reserve, Noncurrent | 44 |  |  |  |  |
Estimated Insurance Recoveries |  |  |  |  | 63 |
Gain on insurance settlement | $ 0 | $ 59 | $ 0 | $ 59 | $ 59 | $ 59

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