Goodwill and Other Identifiable Intangible Assets (Identifiable Intangible Assets with Finite Lives) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Year Three	$ 95
Gross Carrying Amount	1,825	1,856
Accumulated Amortization	(1,045)	(1,016)
Net	780	840
Finite-Lived Intangible Assets, Amortization Expense, Year Five	95
Acquired technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	532	522
Accumulated Amortization	(389)	(372)
Net	143	150
Customer-related intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,139	1,177
Accumulated Amortization	(572)	(557)
Net	567	620
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	120	127
Accumulated Amortization	(61)	(61)
Net	59	66
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	34	30
Accumulated Amortization	(23)	(26)
Net	$ 11	$ 4