Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Schedule of Intangible Assets By Major Class [Line Items]
Gross Carrying Amount	$ 713	$ 720
Accumulated Amortization	(460)	(395)
Net Carrying Amount	253	325
Core Technology [Member]
Schedule of Intangible Assets By Major Class [Line Items]
Weighted Average Useful Life (years)	7 years
Gross Carrying Amount	94	93
Accumulated Amortization	(79)	(69)
Net Carrying Amount	15	24
Trademarks and Trade Names [Member]
Schedule of Intangible Assets By Major Class [Line Items]
Weighted Average Useful Life (years)	16 years
Gross Carrying Amount	4	4
Accumulated Amortization	(1)	(1)
Net Carrying Amount	3	3
Customer Relationships [Member]
Schedule of Intangible Assets By Major Class [Line Items]
Weighted Average Useful Life (years)	8 years
Gross Carrying Amount	530	538
Accumulated Amortization	(380)	(325)
Net Carrying Amount	150	213
Trademarks and Trade Names [Member]
Schedule of Intangible Assets By Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	65	65
Used In Research And Development [Member]
Schedule of Intangible Assets By Major Class [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 20	$ 20