Goodwill And Acquired Intangibles (Schedule Of Gross Carrying Amounts And Accumulated Amortization Of Acquired Finite-Lived Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,056	$ 3,790
Accumulated Amortization	1,509	1,310
Distribution Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,915	1,661
Accumulated Amortization	295	211
Product Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	507	499
Accumulated Amortization	144	116
Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	606	603
Accumulated Amortization	253	208
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	833	834
Accumulated Amortization	684	653
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	195	193
Accumulated Amortization	$ 133	$ 122