Acquisitions (Fair Values Of The Assets Acquired And Liabilities) (Details) - USD ($) $ in Millions		12 Months Ended
	Aug. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Trade accounts receivable		$ 21.6	$ 97.8	$ 590.4
Inventories		21.3	204.8	521.9
Property, plant and equipment		9.1	161.8	740.0
Goodwill		267.6	3,061.8	9,841.0
Other intangible assets, primarily customer relationships, trade names and technology		155.1	1,867.0	5,045.3
In-process research and development		0.0	65.0	0.0
Trade accounts payable		(9.9)	(50.7)	(182.0)
Other assets and liabilities, net		(75.0)	(518.0)	(1,844.5)
Assumed debt		0.0	(1.0)	(417.0)
Attributable to noncontrolling interest		4.0	0.0	0.0
Net assets acquired		385.8	4,888.5	14,295.1
Less: noncash consideration		0.0	(8.4)	(47.3)
Net cash consideration		$ 385.8	4,880.1	14,247.8
Pall Corporation
Business Acquisition [Line Items]
Trade accounts receivable				509.7
Inventories				475.5
Property, plant and equipment				713.4
Goodwill	$ 9,600.0			9,556.2
Other intangible assets, primarily customer relationships, trade names and technology				4,798.0
Trade accounts payable				(155.8)
Other assets and liabilities, net				(1,855.2)
Assumed debt	$ (417.0)			(416.9)
Net assets acquired				13,624.9
Less: noncash consideration				(47.3)
Net cash consideration				13,577.6
Cepheid
Business Acquisition [Line Items]
Trade accounts receivable			61.4
Inventories			165.8
Property, plant and equipment			144.5
Goodwill			2,584.0
Other intangible assets, primarily customer relationships, trade names and technology			1,480.0
In-process research and development			65.0
Trade accounts payable			(41.2)
Other assets and liabilities, net			(452.4)
Assumed debt			(1.0)
Net assets acquired			4,006.1
Less: noncash consideration			(8.4)
Net cash consideration			3,997.7
Others
Business Acquisition [Line Items]
Trade accounts receivable			36.4	80.7
Inventories			39.0	46.4
Property, plant and equipment			17.3	26.6
Goodwill			477.8	284.8
Other intangible assets, primarily customer relationships, trade names and technology			387.0	247.3
In-process research and development			0.0
Trade accounts payable			(9.5)	(26.2)
Other assets and liabilities, net			(65.6)	10.7
Assumed debt			0.0	(0.1)
Net assets acquired			882.4	670.2
Less: noncash consideration			0.0	0.0
Net cash consideration			$ 882.4	$ 670.2