Asset Impairments, Restructuring, and Other Special Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Unusual or Infrequent Item [Line Items]
Total Asset impairment, restructuring, and other special charges	$ 35.4	$ 0	$ 63.5	$ 21.7	$ 204.0	$ 53.3	$ 0	$ 23.8	$ 120.6	$ 281.1	$ 401.4
Asset Impairment Charges									30.0	206.6	149.6
Severance Costs									90.6	74.5	251.8
Xigris [Member]
Unusual or Infrequent Item [Line Items]
Asset Impairment Charges										20.0	85.0
Leases [Member]
Unusual or Infrequent Item [Line Items]
Asset Impairment Charges											56.1
Device Delivery Platform [Member]
Unusual or Infrequent Item [Line Items]
Asset Impairment Charges										64.0
Liprotamase [Member]
Unusual or Infrequent Item [Line Items]
Asset Impairment Charges										$ 122.6