Goodwill and Intangible Assets (Acquired Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Acquired intangible assets disclosures
Total gross carrying amount	$ 3,067	$ 3,047
Total accumulated amortization	(1,593)	(1,488)
Total finite-lived intangible assets - net	1,474	1,559
Non-amortizable intangible assets (primarily tradenames)	129	129
Total intangible assets - net	1,603	1,688
Customer related intangible assets
Acquired intangible assets disclosures
Total gross carrying amount	1,409	1,411
Total accumulated amortization	(563)	(514)
Patents
Acquired intangible assets disclosures
Total gross carrying amount	601	602
Total accumulated amortization	(474)	(458)
Other technology-based intangible assets
Acquired intangible assets disclosures
Total gross carrying amount	422	406
Total accumulated amortization	(203)	(179)
Definite-lived tradenames
Acquired intangible assets disclosures
Total gross carrying amount	410	411
Total accumulated amortization	(187)	(178)
Other amortizable intangible assets
Acquired intangible assets disclosures
Total gross carrying amount	225	217
Total accumulated amortization	$ (166)	$ (159)