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CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net (loss) income | $ (745)us-gaap_ProfitLoss | [1],[2] | $ 3,441 us-gaap_ProfitLoss | [3] | $ 3,980 us-gaap_ProfitLoss
Defined benefit plans: |  |  |  |  |
Actuarial (losses) gains arising during the period | (161)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax |  | 73 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax |  | (69)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax
Prior service costs arising during the period | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax |  | (21)us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax |  | 0 us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax
Amortization of unrecognized amounts included in net periodic benefit costs | 25 us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax |  | 30 us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax |  | 26 us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax
Foreign exchange gains | 1 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax |  | 12 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax |  | 3 us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
Adjustment to deferred tax valuation allowance | (5)fcx_OtherComprehensiveIncomeLossValuationAllowanceDeferredTaxAssetChangeInAmount |  | 0 fcx_OtherComprehensiveIncomeLossValuationAllowanceDeferredTaxAssetChangeInAmount |  | (1)fcx_OtherComprehensiveIncomeLossValuationAllowanceDeferredTaxAssetChangeInAmount
Translation adjustments and unrealized losses on securities | (1)fcx_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossonSecuritiesArisingDuringPeriodandForeignCurrencyTranslationAdjustmentNetofTaxPortionAttributabletoParent |  | 4 fcx_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossonSecuritiesArisingDuringPeriodandForeignCurrencyTranslationAdjustmentNetofTaxPortionAttributabletoParent |  | (1)fcx_OtherComprehensiveIncomeLossUnrealizedHoldingGainLossonSecuritiesArisingDuringPeriodandForeignCurrencyTranslationAdjustmentNetofTaxPortionAttributabletoParent
Other comprehensive (loss) income | (141)us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | 98 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  | (42)us-gaap_OtherComprehensiveIncomeLossNetOfTax
Total comprehensive (loss) income | (886)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |  | 3,539 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |  | 3,938 us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Total comprehensive income attributable to noncontrolling interests | (521)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest |  | (758)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest |  | (938)us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Preferred dividends attributable to redeemable noncontrolling interest | (40)us-gaap_PreferredStockDividendsIncomeStatementImpact |  | (22)us-gaap_PreferredStockDividendsIncomeStatementImpact |  | 0 us-gaap_PreferredStockDividendsIncomeStatementImpact
Total comprehensive (loss) income attributable to FCX common stockholders | $ (1,447)us-gaap_ComprehensiveIncomeNetOfTax |  | $ 2,759 us-gaap_ComprehensiveIncomeNetOfTax |  | $ 3,000 us-gaap_ComprehensiveIncomeNetOfTax
[1] | Includes a tax charge of $57 million ($0.06 per share) in the second quarter, $5 million in the third quarter, $22 million ($0.02 per share) in the fourth quarter and $84 million ($0.08 per share) for the year associated with deferred taxes recorded in connection with the allocation of goodwill to the sale of the Eagle Ford properties. Additionally, includes a net tax charge (benefit) of $54 million ($7 million attributable to noncontrolling interests and $47 million to net income attributable to common stockholders or $0.04 per share) in the third quarter, $(17) million ($11 million attributable to noncontrolling interests and $(28) million to net loss attributable to common stockholders or $(0.03) per share) in the fourth quarter and $37 million ($18 million attributable to noncontrolling interests and $19 million to net loss attributable to common stockholders or $0.02 per share) for the year associated with changes in Chilean tax rules, U.S. federal income tax regulations and Peruvian tax rules, partially offset by a tax benefit related to changes in U.S. state income tax filing positions.
[2] | Includes net gains (losses) on early extinguishment of debt totaling $4 million in the second quarter, $17 million ($0.02 per share) in the third quarter, $(18) million ($(0.02) per share) in the fourth quarter and $3 million for the year. Refer to Note 8 for further discussion.
[3] | Includes a net tax benefit of $183 million ($0.19 per share) in the second quarter, $16 million ($0.01 per share) in the fourth quarter and $199 million ($0.20 per share) for the year associated with net reductions in FCX's deferred tax liabilities and deferred tax asset valuation allowances related to the acquisitions of PXP and MMR.

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