Goodwill And Acquired Intangibles (Schedule Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,839	$ 5,512
Accumulated Amortization	2,900	2,573
Distribution Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,989	2,879
Accumulated Amortization	1,262	1,101
Product Know-How [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	553	536
Accumulated Amortization	354	324
Customer Base [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,364	1,284
Accumulated Amortization	599	523
Developed Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	653	595
Accumulated Amortization	485	439
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	280	218
Accumulated Amortization	$ 200	$ 186