Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	$ (459)	$ (455)
Indefinite-lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	568	557
Intangible Assets, Net (Excluding Goodwill)	109	102
Trademarks and Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	65	65
Used In Research And Development [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 20	20
Core Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	7 years
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 88	86
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(83)	(83)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 5	3
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	11 years
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 6	3
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(2)	(2)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 4	1
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	7 years
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 389	383
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(374)	(370)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 15	$ 13