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Investments In and Advances To Affiliates (Tables)
3 Months Ended
Mar. 31, 2014
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]  
Investments In and Advances to Affiliates Financial Information
The following tables summarize financial information of the Company’s 50%-or-less owned affiliates that are accounted for using the equity method.
 
50%-or-less Owned Affiliates
For the Three months ended March 31,
2014
 
2013
 
(in millions)
Revenue
$
277

 
$
359

Operating margin
77

 
286

Net income (loss)
49

 
(2
)