Goodwill and Intangible Assets, Net Goodwill Table (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill [Line Items]
Gross carrying amount	$ 2,322	$ 1,353	$ 1,355
Acquisitions	930	19
Adjustment to step-up value	38	(20)
Foreign exchange	1	(1)
Accumulated impairment	(240)	(226)	(226)
Impairment of goodwill	(14)	0
Net carrying value	2,082	1,127
Automotive Segment [Member]
Goodwill [Line Items]
Gross carrying amount	1,368	1,323	1,343
Acquisitions	0	0
Adjustment to step-up value	44	(19)
Foreign exchange	1	(1)
Accumulated impairment	(226)	(226)	226
Impairment of goodwill	0	0
Net carrying value	1,142	1,097
Energy Segment [Member]
Goodwill [Line Items]
Gross carrying amount	930	0	0
Acquisitions	930	0
Adjustment to step-up value	0	0
Foreign exchange	0	0
Accumulated impairment	0	0	0
Impairment of goodwill	0	0
Net carrying value	930	0
Railcar Segment [Member]
Goodwill [Line Items]
Gross carrying amount	7	7	7
Acquisitions	0	0
Adjustment to step-up value	0	0
Foreign exchange	0	0
Accumulated impairment	0	0	0
Impairment of goodwill	0	0
Net carrying value	7	7
Food Packaging Segment [Member]
Goodwill [Line Items]
Gross carrying amount	3	3	3
Acquisitions	0	0
Adjustment to step-up value	0	0
Foreign exchange	0	0
Accumulated impairment	0	0	0
Impairment of goodwill	0	0
Net carrying value	3	3
Metals Segment [Member]
Goodwill [Line Items]
Gross carrying amount	14	20	2
Acquisitions	0	19
Adjustment to step-up value	(6)	(1)
Foreign exchange	0	0
Accumulated impairment	(14)	0	0
Impairment of goodwill	(14)	0
Net carrying value	$ 0	$ 20