Business Combinations (Fibrotech, Lumena and Other Acquisitions) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended	9 Months Ended		0 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Jul. 04, 2014 Fibrotech	Sep. 30, 2014 Fibrotech	Sep. 30, 2014 Fibrotech	Sep. 30, 2013 Fibrotech	Jun. 11, 2014 Lumena	Sep. 30, 2014 Lumena	Sep. 30, 2013 Lumena	Sep. 30, 2014 Lumena	Sep. 30, 2013 Lumena	Sep. 30, 2014 Bikam	Sep. 30, 2014 Other Acquisitions
Business Acquisition [Line Items]
Percentage of voting interests acquired									100.00%
Acquisition-date fair value of consideration					$ 122.6				$ 464.3						$ 17.9
Cash consideration paid					75.6				300.3						12.1
Fair value of contingent consideration payable					47.0				164.0					5.8
Maximum amount of contingent cash consideration					482.5				265.0					92.0
Purchase Price Allocation
IPR&D					11.0				467.0
Net non-current liabilities assumed (including deferred tax liabilities)									174.2
Net current assets assumed					1.4				47.6						1.0
Goodwill arising on business acquired			1,773.8	170.3	110.2				123.9						12.1
Cash and cash equivalents									46.3
Non-current assets assumed															4.8
Integration and acquisition costs	$ 37.1	$ 18.4	$ 155.8	$ 39.9		$ 1.3	$ 2.1	$ 0		$ 4.2	$ 0	$ 5.7	$ 0