Goodwill and Intangible Assets (Components of Intangible Assets) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, original cost	$ 3,890.8		$ 3,850.1
Finite-lived intangible assets, accumulated amortization	2,277.2		2,171.3
Finite-lived intangible assets, net book value	1,613.6		1,678.8
In-process research and development	848.9		839.1
Intangible assets, gross, excluding goodwill	4,739.7		4,689.2
Intangible assets, net book value, excluding goodwill	2,462.5		2,517.9
Patents and technologies
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, estimated useful life, in years	20 years		20 years
Finite-lived intangible assets, original cost	116.6		116.6
Finite-lived intangible assets, accumulated amortization	95.1		93.8
Finite-lived intangible assets, net book value	21.5		22.8
Product rights and licenses
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, estimated useful life, in years	10 years		10 years
Finite-lived intangible assets, original cost	3,600.0		3,559.5
Finite-lived intangible assets, accumulated amortization	2,118.3		2,018.1
Finite-lived intangible assets, net book value	1,481.7		1,541.4
Other
Intangible Assets by Major Class [Line Items]
Finite-lived intangible assets, estimated useful life, in years	8 years		8 years
Finite-lived intangible assets, original cost	174.2	[1]	174.0	[1]
Finite-lived intangible assets, accumulated amortization	63.8	[1]	59.4	[1]
Finite-lived intangible assets, net book value	$ 110.4	[1]	$ 114.6	[1]

[1] Other intangible assets consist principally of customer lists and contracts.