Segment Information - Summary of Net Sales and Operating Profit by Segment (Detail) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net Sales And Operating Profit Information [Line Items]
Net Sales		$ 1,929.3	$ 1,892.4	$ 4,939.2	$ 5,856.5
Operating (Loss) Profit		299.2	245.8	(328.5)	800.7
Intangible asset amortization		(149.7)	(146.6)	(445.0)	(436.9)
Restructuring and other cost reduction initiatives		(16.2)	(5.4)	(89.2)	(17.0)
Quality remediation		(9.8)	(20.7)	(35.9)	(63.1)
Acquisition, integration and related		(9.1)	2.6	(15.7)	(8.5)
Goodwill and intangible asset impairment				(645.0)	(70.1)
Litigation settlement gain	$ 50.0				23.5
Americas and Global Businesses [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales		1,253.5	1,212.3	3,147.6	3,703.0
Operating (Loss) Profit		413.9	394.3	865.7	1,211.5
EMEA [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales		366.2	374.6	983.0	1,276.5
Asia Pacific [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales		346.6	338.6	904.7	992.4
Corporate Functions [Member]
Net Sales And Operating Profit Information [Line Items]
Operating (Loss) Profit		(103.8)	(96.6)	(319.4)	(331.8)
Operating Segments | EMEA [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales		339.7	351.8	915.1	1,186.5
Operating (Loss) Profit		84.6	93.7	213.4	350.4
Operating Segments | Asia Pacific [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales		336.1	328.3	876.5	967.0
Operating (Loss) Profit		113.4	109.6	284.4	341.1
Segment Reconciling Items [Member]
Net Sales And Operating Profit Information [Line Items]
Inventory and manufacturing-related charges		(2.3)	(11.6)	(4.3)	(47.7)
Intangible asset amortization		(149.7)	(146.6)	(445.0)	(436.9)
Restructuring and other cost reduction initiatives		(16.2)	(5.4)	(89.2)	(17.0)
Quality remediation		(10.0)	(21.5)	(35.8)	(64.6)
Acquisition, integration and related		(9.1)	2.6	(15.7)	(8.5)
Litigation		(19.3)	(42.8)	(100.4)	(48.0)
European Union Medical Device Regulation		(2.0)	(11.4)	(19.1)	(18.1)
Other charges		$ (0.3)	$ (18.5)	(18.1)	(83.1)
Goodwill and intangible asset impairment				$ (645.0)	$ (70.1)