Segment Data - Summary of Net Sales and Other Information by Segment (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net Sales And Operating Profit Information [Line Items]
Net Sales	$ 2,085.3	$ 1,929.3	$ 1,226.1	$ 1,783.8	$ 2,125.7	$ 1,892.4	$ 1,988.6	$ 1,975.5	$ 7,024.5	$ 7,982.2	$ 7,932.9
Operating (Loss) Profit									(87.8)	1,137.5	33.8
Depreciation and Amortization									1,032.7	1,006.1	1,040.5
Intangible asset amortization									597.6	584.3	595.9
Goodwill and intangible asset impairment									(645.0)	(70.1)	(979.7)
Restructuring and other cost reduction initiatives									(116.9)	(50.0)	(34.2)
Quality remediation									(50.9)	(82.4)	(146.9)
Acquisition, integration and related									(23.8)	(12.2)	(99.5)
Amortization of intangible asset									(597.6)	(584.3)	(595.9)
Americas and Global Businesses [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales									4,479.0	5,035.3	5,000.4
Operating (Loss) Profit									1,316.9	1,689.7	1,706.9
Depreciation and Amortization									168.1	162.0	175.0
EMEA [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales									1,391.3	1,746.9	1,801.9
Asia Pacific [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales									1,297.8	1,359.5	1,293.8
Operating Segments [Member] | EMEA [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales									1,288.6	1,623.1	1,669.5
Operating (Loss) Profit									308.9	484.0	480.7
Depreciation and Amortization									77.5	77.0	75.5
Operating Segments [Member] | Asia Pacific [Member]
Net Sales And Operating Profit Information [Line Items]
Net Sales									1,256.9	1,323.8	1,263.0
Operating (Loss) Profit									420.5	472.7	431.9
Depreciation and Amortization									71.3	65.3	66.8
Segment Reconciling Items [Member]
Net Sales And Operating Profit Information [Line Items]
Corporate Functions									(437.2)	(457.9)	(409.2)
Inventory and manufacturing-related charges									(54.2)	(53.9)	(32.5)
Intangible asset amortization									(597.6)	(584.3)	(595.9)
Goodwill and intangible asset impairment									(645.0)	(70.1)	(979.7)
Restructuring and other cost reduction initiatives									(116.9)	(50.0)	(34.2)
Quality remediation									(49.8)	(87.6)	(165.4)
Acquisition, integration and related									(23.8)	(12.2)	(99.5)
Litigation									(159.8)	(65.0)	(186.0)
Litigation settlement gain										23.5
European Union Medical Device Regulation									(25.3)	(30.9)	(3.7)
Other charges									(24.5)	(120.5)	(79.6)
Depreciation of corporate functions									118.2	117.5	127.3
Amortization of intangible asset									$ 597.6	$ 584.3	$ 595.9