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Investments and Related Matters (Tables) | 12 Months Ended
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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 |

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