Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	$ (468)	$ (455)
Intangible Assets, Gross (Excluding Goodwill)	576	557
Intangible Assets, Net (Excluding Goodwill)	108	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	$ 87	86
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(85)	(83)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 2	3
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	12 years
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 5	3
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(2)	(2)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 3	1
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible asset, useful life	7 years
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 399	383
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(381)	(370)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 18	$ 13