Summary of Accounting Policies - Goodwill and Intangibles, Net (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Intangible Assets And Goodwill [Line Items]
Amortization of Intangible Assets	$ 3	$ 5	$ 4
Estimated amortization of intangible assets, 2017	5
Estimated amortization of intangible assets, 2018	4
Estimated amortization of intangible assets, 2019	4
Estimated amortization of intangible assets, 2020	3
Estimated amortization of intangible assets, 2021	2
North America | Ride Performance Division
Intangible Assets And Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	306
Europe, South America & India | Clean Air Division
Intangible Assets And Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	32
Asia Pacific | Ride Performance Division
Intangible Assets And Goodwill [Line Items]
Goodwill, Impaired, Accumulated Impairment Loss	$ 11
Maximum [Member]
Intangible Assets And Goodwill [Line Items]
Finite useful life of intangible assets, Minimum	50 years
Minimum [Member]
Intangible Assets And Goodwill [Line Items]
Finite useful life of intangible assets, Minimum	3 years