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Income Taxes (Unaudited) (Tables)
3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]  
Geographic Sources of Provision for Income Taxes
Geographic sources of FCX's provision for income taxes follow (in millions):
 
Three Months Ended
 
 
March 31,
 
 
2014
 
2013
 
United States operations
$
136

 
$
76

 
International operations
221

 
352

 
Total
$
357

 
$
428