Acquisitions and Divestitures - HRA Narrative (Details) $ in Millions, € in Billions				3 Months Ended	6 Months Ended
		Apr. 29, 2022 EUR (€)	Apr. 29, 2022 USD ($)	Jul. 02, 2022 USD ($)	Jul. 02, 2022 USD ($)	Jul. 03, 2021 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
General transaction costs						$ 66.3
Goodwill carrying amount				$ 3,514.9	$ 3,514.9		$ 2,999.4
Goodwill acquired					616.2
CSCA
Business Acquisition [Line Items]
Goodwill carrying amount				2,006.9	2,006.9		1,902.4
Goodwill acquired					106.1
CSCI
Business Acquisition [Line Items]
Goodwill carrying amount				1,508.0	1,508.0		$ 1,097.0
Goodwill acquired	[1]				510.1
HRA Pharma
Business Acquisition [Line Items]
Outstanding equity interest acquired (percent)			100.00%
Binding offer for acquisition		€ 1.8	$ 1,945.6
Net sales since acquisition					57.8
Net loss since acquisition					13.1
Cost of goods sold since acquisition					6.5
Amortization of intangible assets since acquisition					16.4
General transaction costs				$ 36.3	$ 43.3
Goodwill carrying amount			$ 616.2
HRA Pharma | Trademarks, trade names, and brands | Minimum
Business Acquisition [Line Items]
Useful life of intangible assets		20 years	20 years
HRA Pharma | Trademarks, trade names, and brands | Maximum
Business Acquisition [Line Items]
Useful life of intangible assets		26 years	26 years
HRA Pharma | Developed product technology | Minimum
Business Acquisition [Line Items]
Useful life of intangible assets		8 years	8 years
HRA Pharma | Developed product technology | Maximum
Business Acquisition [Line Items]
Useful life of intangible assets		21 years	21 years
HRA Pharma | Distribution networks | Minimum
Business Acquisition [Line Items]
Useful life of intangible assets		2 years	2 years
HRA Pharma | Distribution networks | Maximum
Business Acquisition [Line Items]
Useful life of intangible assets		23 years	23 years

[1] We had accumulated goodwill impairments of $878.4 million as of July 2, 2022 and as of December 31, 2021.