Goodwill And Acquired Intangibles (Schedule Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,394	$ 5,667
Accumulated Amortization	3,231	3,223
Distribution Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,554	2,812
Accumulated Amortization	1,321	1,427
Product Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	553	553
Accumulated Amortization	413	384
Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,360	1,373
Accumulated Amortization	721	672
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	626	626
Accumulated Amortization	526	502
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	301	303
Accumulated Amortization	$ 250	$ 238