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Income Taxes (Unaudited)
6 Months Ended
Jun. 30, 2014
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. Geographic sources of FCX's provision for income taxes follow (in millions):
 
Three Months Ended
 
Six Months Ended
 
 
June 30,
 
June 30,
 
 
2014
 
2013
 
2014
 
2013
 
U.S. operations
$
149

a 
$
(95
)
b 
$
285

a 
$
(19
)
b 
International operations
179

 
135

 
400

 
487

 
Total
$
328

 
$
40

 
$
685

 
$
468

 

a.
FCX recognized a $58 million charge for deferred taxes recorded in connection with the allocation of goodwill to the sale of Eagle Ford.
b.
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.

FCX’s consolidated effective income tax rate was 35 percent for the first six months of 2014 and 34 percent for the first six months of 2013, excluding the net benefit of $183 million for acquisition-related adjustments.