Goodwill and Other Intangible Assets - Additional Information (Detail) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Indefinite Lived Intangible Assets By Major Class [Line Items]
Reporting units with goodwill assigned to them	3	5
Impairment	$ 612.0	$ 612.0
Goodwill		9,261.8	$ 9,599.7	$ 9,594.4
Intangible asset impairment		19.0
In Process Research and Development (IPR&D) [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Remaining impairment charge of intangible assets indefinite lived excluding goodwill		14.0
In Process Research and Development (IPR&D) [Member] | Biomet [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Intangible asset impairment		33.0	70.1	3.8
Licensing Arrangements from Unrelated Third Party [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Payment to acquire licensing arrangements from an unrelated third party			192.5
Dental [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment	142.0	142.0
Goodwill		273.7
Spine [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Goodwill				0.0
EMEA [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment	470.0	470.0		567.0
Goodwill		$ 325.9	$ 749.8	755.2
EMEA [Member] | Reportable Segment Change [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment	$ 470.0
America CMFT [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Reporting units with goodwill assigned to them	2
Percentage of fair value in excess of carrying amount		5.00%
Product Category Operating Segments [Member] | Spine [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment				401.2
Product Category Operating Segments [Member] | Insignificant Reporting Unit [Member]
Indefinite Lived Intangible Assets By Major Class [Line Items]
Impairment				$ 7.7