Goodwill and Intangible Assets, Net Goodwill Table (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Goodwill [Line Items]
Goodwill, Gross	$ 2,656	$ 2,398
Goodwill, Accumulated Impairment	(1,468)	(894)
Goodwill, Net Carrying Value	1,188	1,504
Automotive Segment [Member]
Goodwill [Line Items]
Goodwill, Gross	1,716	1,458
Goodwill, Accumulated Impairment	(538)	(538)
Goodwill, Net Carrying Value	1,178	920
Energy Segment [Member]
Goodwill [Line Items]
Goodwill, Gross	930	930
Goodwill, Accumulated Impairment	(930)	(356)
Goodwill, Net Carrying Value	0	574
Railcar Segment [Member]
Goodwill [Line Items]
Goodwill, Gross	7	7
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Value	7	7
Food Packaging Segment [Member]
Goodwill [Line Items]
Goodwill, Gross	3	3
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Value	$ 3	$ 3

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-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

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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