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Goodwill and Intangible Assets, Net Goodwill Table (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Line Items]
Gross carrying amount of goodwill	$ 2,745	$ 2,606	$ 2,397
Goodwill arising from acquisitions	124	209
Foreign exchange adjustments to goodwill	15
Accumulated impairment of goodwill	(1,470)	(1,470)	(893)
Impairment of goodwill	0	(577)
Net carrying value of goodwill	1,275	1,136
Automotive Segment
Goodwill [Line Items]
Gross carrying amount of goodwill	1,798	1,662	1,457
Goodwill arising from acquisitions	121	205
Foreign exchange adjustments to goodwill	15
Accumulated impairment of goodwill	(537)	(537)	(537)
Impairment of goodwill	0	0
Net carrying value of goodwill	1,261	1,125
Energy Segment
Goodwill [Line Items]
Gross carrying amount of goodwill	930	930	930
Goodwill arising from acquisitions	0	0
Foreign exchange adjustments to goodwill	0
Accumulated impairment of goodwill	(930)	(930)	(356)
Impairment of goodwill	0	(574)
Net carrying value of goodwill	0	0
Railcar Segment
Goodwill [Line Items]
Gross carrying amount of goodwill	7	7	7
Goodwill arising from acquisitions	0	0
Foreign exchange adjustments to goodwill	0
Accumulated impairment of goodwill	0	0	0
Impairment of goodwill	0	0
Net carrying value of goodwill	7	7
Gaming Segment
Goodwill [Line Items]
Gross carrying amount of goodwill	3	3	0
Goodwill arising from acquisitions	0	3
Foreign exchange adjustments to goodwill	0
Accumulated impairment of goodwill	(3)	(3)	0
Impairment of goodwill	0	(3)
Net carrying value of goodwill	0	0
Food Packaging Segment
Goodwill [Line Items]
Gross carrying amount of goodwill	7	4	3
Goodwill arising from acquisitions	3	1
Foreign exchange adjustments to goodwill	0
Accumulated impairment of goodwill	0	0	$ 0
Impairment of goodwill	0	0
Net carrying value of goodwill	$ 7	$ 4

X

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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.

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