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Acquisitions (Unaudited) (Tables)
6 Months Ended
Jun. 30, 2014
Acquisitions [Abstract]  
Business Acquisition, Pro Forma Information [Table Text Block]
 
 
Three Months
 
Six Months
 
 
 Ended
 
Ended
 
 
June 30, 2013
 
June 30, 2013
 
 
(in millions, except per share amounts)
 
 
 
 
 
Revenues
 
$
5,330

 
$
11,025

Operating income
 
1,330

 
2,910

Income from continuing operations
 
722

 
1,635

Net income attributable to FCX common stockholders
 
585

 
1,313

 
 
 
 
 
Net income per share attributable to FCX common stockholders:
 
 
 
 
Basic
 
$
0.56

 
$
1.26

Diluted
 
0.56

 
1.26