Goodwill And Acquired Intangibles (Schedule Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,001	$ 4,060
Accumulated Amortization	1,834	1,681
Distribution Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,245	2,245
Accumulated Amortization	673	550
Product Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	503	494
Accumulated Amortization	244	216
Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	600	619
Accumulated Amortization	403	381
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	455	500
Accumulated Amortization	357	386
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	198	202
Accumulated Amortization	$ 157	$ 148