Goodwill And Other Intangible Assets (Rollforward Of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Balance at beginning of year	$ 21,014.9	$ 11,575.1
Attributable to acquisitions	3,061.8	9,841.0	$ 1,492.4
Adjustments due to finalization of purchase price adjustments	92.6	186.4
Foreign currency translation and other	(342.4)	(587.6)
Balance at end of year	23,826.9	21,014.9	11,575.1
Operating segments | Life Sciences
Goodwill [Roll Forward]
Balance at beginning of year	11,308.5	1,933.2
Attributable to acquisitions	438.6	9,560.2
Adjustments due to finalization of purchase price adjustments	89.7	(4.6)
Foreign currency translation and other	(226.5)	(180.3)
Balance at end of year	11,610.3	11,308.5	1,933.2
Operating segments | Diagnostics
Goodwill [Roll Forward]
Balance at beginning of year	4,387.4	4,412.1
Attributable to acquisitions	2,590.5	180.3
Adjustments due to finalization of purchase price adjustments	(2.2)	(6.9)
Foreign currency translation and other	(72.7)	(198.1)
Balance at end of year	6,903.0	4,387.4	4,412.1
Operating segments | Dental
Goodwill [Roll Forward]
Balance at beginning of year	3,236.1	3,142.9
Attributable to acquisitions	4.2	7.0
Adjustments due to finalization of purchase price adjustments	0.0	197.9
Foreign currency translation and other	(24.7)	(111.7)
Balance at end of year	3,215.6	3,236.1	3,142.9
Operating segments | Environmental & Applied Solutions
Goodwill [Roll Forward]
Balance at beginning of year	2,082.9	2,086.9
Attributable to acquisitions	28.5	93.5
Adjustments due to finalization of purchase price adjustments	5.1	0.0
Foreign currency translation and other	(18.5)	(97.5)
Balance at end of year	$ 2,098.0	$ 2,082.9	$ 2,086.9