Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	$ (466)	$ (455)
Intangible Assets, Gross (Excluding Goodwill)	578	557
Intangible Assets, Net (Excluding Goodwill)	112	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	(85)	(83)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 3	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	(1)	(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	$ 400	383
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization	(380)	(370)
Finite-Lived Intangible Assets, Net Carrying Amount	$ 20	$ 13