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Goodwill and Intangible Assets, Net Goodwill Table (Details) - USD ($) $ in Millions | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Goodwill [Line Items] |  |
Goodwill, Gross | $ 2,404 | $ 2,329
Goodwill, Accumulated Impairment | (329) | (329)
Goodwill, Net Carrying Value | 2,075 | 2,000
Automotive Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Gross | 1,458 | 1,389
Goodwill, Accumulated Impairment | (226) | (226)
Goodwill, Net Carrying Value | 1,232 | 1,163
Energy Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Gross | 930 | 930
Goodwill, Accumulated Impairment | (103) | (103)
Goodwill, Net Carrying Value | 827 | 827
Railcar Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Gross | 7 | 7
Goodwill, Accumulated Impairment | 0 | 0
Goodwill, Net Carrying Value | 7 | 7
Mining Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Gross | 6 | 0
Goodwill, Accumulated Impairment | 0 | 0
Goodwill, Net Carrying Value | 6 | 0
Food Packaging Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Gross | 3 | 3
Goodwill, Accumulated Impairment | 0 | 0
Goodwill, Net Carrying Value | 3 | $ 3
Fertilizer reporting unit [Member] | Energy Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill, Net Carrying Value | $ 253 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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