Goodwill and Intangible Assets, Net Goodwill Table (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Goodwill [Line Items]
Goodwill, Gross	$ 2,315	$ 2,308
Goodwill, Accumulated Impairment	(226)	(226)
Goodwill, Net Carrying Value	2,089	2,082
Automotive Segment [Member]
Goodwill [Line Items]
Goodwill, Gross	1,375	1,368
Goodwill, Accumulated Impairment	(226)	(226)
Goodwill, Net Carrying Value	1,149	1,142
Energy Segment [Member]
Goodwill [Line Items]
Goodwill, Gross	930	930
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Value	930	930
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