Acquired Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	$ 999	$ 989
Finite-Lived Intangible Assets, Accumulated Amortization	(826)	(753)
Finite-Lived Intangible Assets, Net	173	236
Impairment of Intangible Assets (Excluding Goodwill)			20
Acquired finite-lived intangible asset amortization expense	73	90	99
Total Acquired Intangible Assets
Total Intangible assets, Gross Carrying Amount	1,031	1,021
Total intangible assets, Net	205	268
Estimated amortization expense of acquired finite-lived intangible asset
2013	64
2014	48
2015	30
2016	15
2017	13
Thereafter	3
Finite-Lived Intangible Assets, Net	173	236
Vyvx Trade Name
Indefinite-Lived Intangible Assets:
Indefinite-Lived Intangible Assets, Net	32	32
Customer Contracts and Relationships
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	786	776
Finite-Lived Intangible Assets, Accumulated Amortization	(678)	(633)
Finite-Lived Intangible Assets, Net	108	143
Acquired finite-lived intangible assets, amortization period (in years)	2 years 3 months 18 days
Estimated amortization expense of acquired finite-lived intangible asset
Finite-Lived Intangible Assets, Net	108	143
Trademarks
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	55	55
Finite-Lived Intangible Assets, Accumulated Amortization	(31)	(17)
Finite-Lived Intangible Assets, Net	24	38
Acquired finite-lived intangible assets, amortization period (in years)	1 year 8 months 12 days
Estimated amortization expense of acquired finite-lived intangible asset
Finite-Lived Intangible Assets, Net	24	38
Patents and Developed Technology
Finite-Lived Intangible Assets:
Finite-Lived Intangible Assets, Gross Carrying Amount	158	158
Finite-Lived Intangible Assets, Accumulated Amortization	(117)	(103)
Finite-Lived Intangible Assets, Net	41	55
Acquired finite-lived intangible assets, amortization period (in years)	3 years
Estimated amortization expense of acquired finite-lived intangible asset
Finite-Lived Intangible Assets, Net	$ 41	$ 55