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GUARANTOR FINANCIAL STATEMENTS (Condensed Consolidating Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 03, 2013 | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | --- | --- | --- | --- | ---
Current assets: |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 464 us-gaap_CashAndCashEquivalentsAtCarryingValue |  |  | $ 1,985 us-gaap_CashAndCashEquivalentsAtCarryingValue |  |  | $ 3,705 us-gaap_CashAndCashEquivalentsAtCarryingValue | $ 4,822 us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivables | 2,563 us-gaap_ReceivablesNetCurrent |  |  | 2,562 us-gaap_ReceivablesNetCurrent |  |  |  |
Other current assets | 6,018 us-gaap_OtherAssetsMiscellaneousCurrent |  |  | 5,425 us-gaap_OtherAssetsMiscellaneousCurrent |  |  |  |
Total current assets | 9,045 us-gaap_AssetsCurrent |  |  | 9,972 us-gaap_AssetsCurrent |  |  |  |
Property, plant, equipment and mining development costs, net | 26,220 us-gaap_PropertyPlantAndEquipmentNet |  |  | 24,042 us-gaap_PropertyPlantAndEquipmentNet |  |  |  |
Oil and gas properties, net - full cost method: |  |  |  |  |  |  |  |
Subject to amortization | 9,187 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization |  |  | 12,472 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization |  |  |  |
Not subject to amortization | 10,087 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization |  |  | 10,887 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization |  |  |  |
Investment in consolidated subsidiaries | 0 fcx_InvestmentsinSubsidiaries |  |  | 0 fcx_InvestmentsinSubsidiaries |  |  |  |
Goodwill | 0 us-gaap_Goodwill |  | 1,938 us-gaap_Goodwill | 1,916 us-gaap_Goodwill |  |  |  |
Other Assets | 4,256 us-gaap_OtherAssets |  |  | 4,184 us-gaap_OtherAssets |  |  |  |
Total assets | 58,795 us-gaap_Assets |  |  | 63,473 us-gaap_Assets |  |  | 35,440 us-gaap_Assets |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |
Current liabilities | 5,172 us-gaap_LiabilitiesCurrent |  |  | 4,773 us-gaap_LiabilitiesCurrent |  |  |  |
Long-term debt, less current portion | 18,492 us-gaap_LongTermDebtNoncurrent |  |  | 20,394 us-gaap_LongTermDebtNoncurrent |  |  |  |
Deferred income taxes | 6,398 us-gaap_DeferredTaxLiabilitiesNoncurrent |  |  | 7,410 us-gaap_DeferredTaxLiabilitiesNoncurrent |  |  |  |
Environmental and asset retirement obligations, less current portion | 3,647 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion |  |  | 3,259 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion |  |  |  |
Other liabilities | 1,861 us-gaap_OtherLiabilitiesNoncurrent |  |  | 1,690 us-gaap_OtherLiabilitiesNoncurrent |  |  |  |
Total liabilities | 35,570 us-gaap_Liabilities |  |  | 37,526 us-gaap_Liabilities |  |  |  |
Redeemable noncontrolling interest | 751 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests |  |  | 716 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests |  | 259 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests |  |
Equity: |  |  |  |  |  |  |  |
Stockholders' equity | 18,287 us-gaap_StockholdersEquity |  |  | 20,934 us-gaap_StockholdersEquity |  |  |  |
Noncontrolling interests | 4,187 us-gaap_MinorityInterest |  |  | 4,297 us-gaap_MinorityInterest |  |  |  |
Total equity | 22,474 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  |  | 25,231 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest |  |  | 21,311 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 18,553 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total liabilities and equity | 58,795 us-gaap_LiabilitiesAndStockholdersEquity |  |  | 63,473 us-gaap_LiabilitiesAndStockholdersEquity |  |  |  |
FCX Issuer [Member] |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Accounts receivables | 234 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 855 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Other current assets | 89 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 114 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Total current assets | 323 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 969 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Property, plant, equipment and mining development costs, net | 22 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 27 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Oil and gas properties, net - full cost method: |  |  |  |  |  |  |  |
Subject to amortization | 0 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Not subject to amortization | 0 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Investment in consolidated subsidiaries | 28,765 fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 31,162 fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Goodwill |  |  |  | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Other Assets | 9,012 us-gaap_OtherAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 7,126 us-gaap_OtherAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Total assets | 38,122 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 39,284 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |
Current liabilities | 1,592 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 1,003 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Long-term debt, less current portion | 15,028 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 13,184 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Deferred income taxes | 3,161 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [1] |  | 4,137 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | [1] |  |  |
Environmental and asset retirement obligations, less current portion | 0 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Other liabilities | 54 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 26 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Total liabilities | 19,835 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 18,350 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Redeemable noncontrolling interest | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Equity: |  |  |  |  |  |  |  |
Stockholders' equity | 18,287 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 20,934 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Noncontrolling interests | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Total equity | 18,287 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 20,934 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Total liabilities and equity | 38,122 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  | 39,284 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
FM O&G LLC Guarantor [Member] |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |
Cash and cash equivalents | 1 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |
Accounts receivables | 2,230 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 659 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Other current assets | 404 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 38 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Total current assets | 2,635 us-gaap_AssetsCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 697 us-gaap_AssetsCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Property, plant, equipment and mining development costs, net | 46 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 43 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Oil and gas properties, net - full cost method: |  |  |  |  |  |  |  |
Subject to amortization | 3,296 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 6,207 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Not subject to amortization | 2,447 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 2,649 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Investment in consolidated subsidiaries | 6,460 fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 9,712 fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Goodwill |  |  |  | 437 us-gaap_Goodwill / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Other Assets | 3,947 us-gaap_OtherAssets / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 4,640 us-gaap_OtherAssets / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Total assets | 18,831 us-gaap_Assets / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 24,385 us-gaap_Assets / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |
Current liabilities | 560 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 758 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Long-term debt, less current portion | 3,874 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 7,199 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Deferred income taxes | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Environmental and asset retirement obligations, less current portion | 302 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 301 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Other liabilities | 3,372 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 3,436 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Total liabilities | 8,108 us-gaap_Liabilities / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 11,694 us-gaap_Liabilities / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Redeemable noncontrolling interest | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Equity: |  |  |  |  |  |  |  |
Stockholders' equity | 10,723 us-gaap_StockholdersEquity / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 12,691 us-gaap_StockholdersEquity / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Noncontrolling interests | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 0 us-gaap_MinorityInterest / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Total equity | 10,723 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 12,691 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Total liabilities and equity | 18,831 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  | 24,385 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = fcx_FreeportMcMoRanOilGasMember |  |  |  |
Non-Guarantor Subsidiaries [Member] |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |
Cash and cash equivalents | 463 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 1,985 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 3,705 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |
Accounts receivables | 2,671 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 2,258 us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Other current assets | 5,525 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 5,273 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Total current assets | 8,659 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 9,516 us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Property, plant, equipment and mining development costs, net | 26,152 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 23,972 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Oil and gas properties, net - full cost method: |  |  |  |  |  |  |  |
Subject to amortization | 5,907 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 6,265 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Not subject to amortization | 7,640 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 8,238 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Investment in consolidated subsidiaries | 10,246 fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 12,468 fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Goodwill |  |  |  | 1,479 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Other Assets | 4,084 us-gaap_OtherAssets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 4,128 us-gaap_OtherAssets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Total assets | 62,688 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 66,066 us-gaap_Assets / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |
Current liabilities | 5,592 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 4,222 us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Long-term debt, less current portion | 8,902 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 8,056 us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Deferred income taxes | 3,237 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 3,273 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Environmental and asset retirement obligations, less current portion | 3,345 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 2,958 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Other liabilities | 1,910 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 1,893 us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Total liabilities | 22,986 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 20,402 us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Redeemable noncontrolling interest | 751 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 716 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Equity: |  |  |  |  |  |  |  |
Stockholders' equity | 35,268 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 41,100 us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Noncontrolling interests | 3,683 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 3,848 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Total equity | 38,951 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 44,948 us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Total liabilities and equity | 62,688 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  | 66,066 us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |  |  |
Eliminations [Member] |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |
Cash and cash equivalents | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |
Accounts receivables | (2,572)us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (1,210)us-gaap_ReceivablesNetCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Other current assets | 0 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 us-gaap_OtherAssetsMiscellaneousCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Total current assets | (2,572)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (1,210)us-gaap_AssetsCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Property, plant, equipment and mining development costs, net | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 us-gaap_PropertyPlantAndEquipmentNet / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Oil and gas properties, net - full cost method: |  |  |  |  |  |  |  |
Subject to amortization | (16)fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 fcx_OilandNaturalGasPropertiesFullCostMethodSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Not subject to amortization | 0 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 fcx_OilandNaturalGasPropertiesFullCostMethodNotSubjecttoAmortization / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Investment in consolidated subsidiaries | (45,471)fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (53,342)fcx_InvestmentsinSubsidiaries / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Goodwill |  |  |  | 0 us-gaap_Goodwill / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Other Assets | (12,787)us-gaap_OtherAssets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (11,710)us-gaap_OtherAssets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Total assets | (60,846)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (66,262)us-gaap_Assets / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
LIABILITIES AND EQUITY |  |  |  |  |  |  |  |
Current liabilities | (2,572)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (1,210)us-gaap_LiabilitiesCurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Long-term debt, less current portion | (9,312)us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (8,045)us-gaap_LongTermDebtNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Deferred income taxes | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 us-gaap_DeferredTaxLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Environmental and asset retirement obligations, less current portion | 0 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 fcx_ReclamationAndEnvironmentalObligationsLessCurrentPortion / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Other liabilities | (3,475)us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (3,665)us-gaap_OtherLiabilitiesNoncurrent / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Total liabilities | (15,359)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (12,920)us-gaap_Liabilities / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Redeemable noncontrolling interest | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 0 us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Equity: |  |  |  |  |  |  |  |
Stockholders' equity | (45,991)us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (53,791)us-gaap_StockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Noncontrolling interests | 504 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | 449 us-gaap_MinorityInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Total equity | (45,487)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | (53,342)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
Total liabilities and equity | $ (60,846)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  | $ (66,262)us-gaap_LiabilitiesAndStockholdersEquity / dei_LegalEntityAxis = us-gaap_ConsolidationEliminationsMember |  |  |  |
[1] | All U.S. related deferred income taxes are recorded at the parent company.

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