Goodwill and Intangible Assets, Net Goodwill Table (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Goodwill [Line Items]
Goodwill, Gross Carrying Amount	$ 2,268	$ 1,353
Goodwill, Accumulated Impairment	(226)	(226)
Goodwill, Net Carrying Amount	2,042	1,127
Automotive Segment [Member]
Goodwill [Line Items]
Goodwill, Gross Carrying Amount	1,351	1,323
Goodwill, Accumulated Impairment	(226)	(226)
Goodwill, Net Carrying Amount	1,125	1,097
Energy Segment [Member]
Goodwill [Line Items]
Goodwill, Gross Carrying Amount	894	0
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Amount	894	0
Railcar Segment [Member]
Goodwill [Line Items]
Goodwill, Gross Carrying Amount	7	7
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Amount	7	7
Food Packaging Segment [Member]
Goodwill [Line Items]
Goodwill, Gross Carrying Amount	3	3
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Amount	3	3
Metals Segment [Member]
Goodwill [Line Items]
Goodwill, Gross Carrying Amount	13	20
Goodwill, Accumulated Impairment	0	0
Goodwill, Net Carrying Amount	$ 13	$ 20

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 45

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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