Acquisition-related Intangible Assets (Details) - USD ($) $ in Millions	Jun. 27, 2015	Dec. 31, 2014
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	$ 18,011.7	$ 18,132.1
Accumulated Amortization	(5,912.5)	(5,323.9)
Definite-Lived Intangible Assets, Net	12,099.2	12,808.2
Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-Lived Intangible Assets	1,284.5	1,301.9
Acquisition-related Intangible Assets, Gross	19,296.2	19,434.0
Acquisition-related Intangible Assets, net of Accumulated Amortization	13,383.7	14,110.1
Tradenames [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-Lived Intangible Assets	1,234.8	1,234.8
In-process Research and Development [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Indefinite-Lived Intangible Assets	49.7	67.1
Customer Relationships [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	11,826.7	11,866.8
Accumulated Amortization	(3,745.3)	(3,340.6)
Definite-Lived Intangible Assets, Net	8,081.4	8,526.2
Product Technology [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	4,831.2	4,898.1
Accumulated Amortization	(1,630.7)	(1,501.3)
Definite-Lived Intangible Assets, Net	3,200.5	3,396.8
Tradenames [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	1,320.0	1,333.0
Accumulated Amortization	(503.1)	(448.7)
Definite-Lived Intangible Assets, Net	816.9	884.3
Other Intangible Assets [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	33.8	34.2
Accumulated Amortization	(33.4)	(33.3)
Definite-Lived Intangible Assets, Net	$ 0.4	$ 0.9