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Investments and Related Matters (Tables)
12 Months Ended
Dec. 31, 2015
Other Segments [Member]  
Investment and Related Matters [Line Items]  
Investment
The carrying value of investments held by our Automotive, Energy, Railcar and Gaming segments and the Holding Company consist of the following:
 
December 31,
 
2015
 
2014
 
(in millions)
Equity method investments
$
323

 
$
298

Other investments
475

 
241

 
$
798

 
$
539