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Income Taxes (Unaudited) | 3 Months Ended
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Mar. 31, 2019
Income Tax Disclosure [Abstract] |
Income Taxes | INCOME TAXES Variations in the relative proportions of jurisdictional income result in fluctuations to FCX’s consolidated effective income tax rate. FCX’s consolidated effective income tax rate was 57 percent for first-quarter 2019 and 38 percent for first-quarter 2018. Geographic sources of FCX’s benefit from (provision for) income taxes follow (in millions):
| Three Months Ended |
| March 31, |
| 2019 |  | 2018 |
U.S. operations | $ | 2 |  |  | $ | 3 |  |
International operations | (107 | ) |  | (509 | ) |
Total | $ | (105 | ) |  | $ | (506 | ) |
FCX's first-quarter 2019 consolidated effective income tax rate is a function of the combined effective tax rates for the jurisdictions in which FCX operates, excluding the U.S. jurisdiction. Because FCX's U.S. jurisdiction generated net losses in first-quarter 2019 that will not result in a realized tax benefit, applicable accounting rules require FCX to adjust its estimated annual effective tax rate to exclude the impact of U.S. net losses.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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