Goodwill and Other Intangible Assets - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 11,527.4	$ 11,253.3
Accumulated impairment losses, Beginning Balance	(2,265.6)	(1,653.6)
Goodwill, net of accumulated impairment losses, Beginning Balance	9,261.8	9,599.7
Purchase accounting adjustments	22.9
Other acquisitions	2.4	162.2
Currency translation	(94.9)	111.9
Impairment		(612.0)
Goodwill, Ending Balance	11,457.8	11,527.4
Accumulated impairment losses, Ending Balance	(2,265.6)	(2,265.6)
Goodwill, net of accumulated impairment losses, Ending Balance	9,192.2	9,261.8
Americas [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	9,583.7	7,699.8
Accumulated impairment losses, Beginning Balance	(1,228.6)
Goodwill, net of accumulated impairment losses, Beginning Balance	8,355.1	7,699.8
Goodwill reportable segment change	(1,491.3)	1,661.3
Accumulated impairment losses reportable segment change	1,220.9	(1,086.6)
Purchase accounting adjustments	15.4
Other acquisitions	2.4	142.4
Currency translation	(64.4)	80.2
Impairment		(142.0)
Goodwill, Ending Balance	8,045.8	9,583.7
Accumulated impairment losses, Ending Balance	(7.7)	(1,228.6)
Goodwill, net of accumulated impairment losses, Ending Balance	8,038.1	8,355.1
EMEA [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,362.9	1,316.8
Accumulated impairment losses, Beginning Balance	(1,037.0)	(567.0)
Goodwill, net of accumulated impairment losses, Beginning Balance	325.9	749.8
Goodwill reportable segment change		17.0
Purchase accounting adjustments	5.2
Other acquisitions		10.9
Currency translation	(13.8)	18.2
Impairment		(470.0)
Goodwill, Ending Balance	1,354.3	1,362.9
Accumulated impairment losses, Ending Balance	(1,037.0)	(1,037.0)
Goodwill, net of accumulated impairment losses, Ending Balance	317.3	325.9
Asia Pacific [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	580.8	507.4
Goodwill, net of accumulated impairment losses, Beginning Balance	580.8	507.4
Goodwill reportable segment change		51.0
Purchase accounting adjustments	2.3
Other acquisitions		8.9
Currency translation	(14.1)	13.5
Goodwill, Ending Balance	569.0	580.8
Goodwill, net of accumulated impairment losses, Ending Balance	569.0	580.8
Americas Spine and Global Dental [Member]
Goodwill [Line Items]
Goodwill reportable segment change	1,491.3
Accumulated impairment losses reportable segment change	(1,220.9)
Currency translation	(2.6)
Goodwill, Ending Balance	1,488.7
Accumulated impairment losses, Ending Balance	(1,220.9)
Goodwill, net of accumulated impairment losses, Ending Balance	$ 267.8
Immaterial Product Category Operating Segments [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance		1,729.3
Accumulated impairment losses, Beginning Balance		(1,086.6)
Goodwill, net of accumulated impairment losses, Beginning Balance		642.7
Goodwill reportable segment change		(1,729.3)
Accumulated impairment losses reportable segment change		$ 1,086.6