Acquisition-related Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	$ 17,994.1	$ 18,132.1
Accumulated Amortization	(6,487.1)	(5,323.9)
Definite-Lived Intangible Assets, Net	11,507.0	12,808.2
Amortization of Acquisition-related Intangible Assets	1,314.8	1,331.7	$ 763.1
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,251.3	1,301.9
Acquisition-related Intangible Assets, Gross	19,245.4	19,434.0
Acquisition-related Intangible Assets, net of Accumulated Amortization	$ 12,758.3	14,110.1
Minimum [Member]
Definite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	3 years
Maximum [Member]
Definite-Lived Intangible Assets [Line Items]
Estimated Useful Life (in years)	20 years
Tradenames [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	$ 1,234.8	1,234.8
In-Process Research and Development [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	16.5	67.1
Customer Relationships [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	11,844.4	11,866.8
Accumulated Amortization	(4,086.9)	(3,340.6)
Definite-Lived Intangible Assets, Net	7,757.5	8,526.2
Product Technology [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	4,799.8	4,898.1
Accumulated Amortization	(1,819.0)	(1,501.3)
Definite-Lived Intangible Assets, Net	2,980.8	3,396.8
Tradenames [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	1,316.7	1,333.0
Accumulated Amortization	(548.2)	(448.7)
Definite-Lived Intangible Assets, Net	768.5	884.3
Other Intangible Assets [Member]
Definite-Lived Intangible Assets [Line Items]
Definite-Lived Intangible Assets, Gross	33.2	34.2
Accumulated Amortization	(33.0)	(33.3)
Definite-Lived Intangible Assets, Net	$ 0.2	$ 0.9