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Income Taxes (Unaudited) (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |
U.S. operations | $ 149 | [1] | $ (95) | [2] | $ 285 | [1] | $ (19) | [2]
International operations | 179 |  | 135 |  | 400 |  | 487 |
Total | 328 |  | 40 |  | 685 |  | 468 |
Income Tax Expense (Benefit), Changes in Deferred Tax Liabilities and Deferred Tax Asset Valuation Allowances | 58 |  | (183) |  | 58 |  | (183) |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount |  |  | (190) |  |  |  | (190) |
Deferred Other Tax Expense (Benefit) |  |  | (69) |  |  |  | (69) |
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  |  | $ 76 |  |  |  | $ 76 |
Consolidated effective income tax rate (percent) |  |  |  |  | 35.00% |  | 34.00% |
[1] | FCX recognized a $58 million charge for deferred taxes recorded in connection with the allocation of goodwill to the sale of Eagle Ford.
[2] | As a result of second-quarter 2013 oil and gas acquisitions, FCX recognized a net tax benefit of $183 million, consisting of income tax benefits of $190 million associated with net reductions in FCX's valuation allowances and $69 million related to the release of the deferred tax liability on PXP's investment in MMR common stock; partially offset by income tax expense of $76 million associated with the write off of deferred tax assets related to environmental liabilities.

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