Goodwill And Acquired Intangibles (Schedule Of Finite-Lived Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,060	$ 4,483
Accumulated Amortization	1,681	1,928
Distribution Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,245	2,275
Accumulated Amortization	550	483
Product Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	494	507
Accumulated Amortization	216	199
Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	619	615
Accumulated Amortization	381	347
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	500	853
Accumulated Amortization	386	742
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	202	233
Accumulated Amortization	$ 148	$ 157