Commitments and Contingencies (Commitments and Loss Contingency) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Legal Matters [Line Items]
Provisions for litigation loss, insurance claims and other disputes	$ 66.8	$ 72.7
Settlement costs related to agreement in principle to resolve a civil subpoena
Legal Matters [Line Items]
Provisions for litigation loss, insurance claims and other disputes	58.5
Clinical Testing
Commitment [Line Items]
Commitment amount	331.0	346.0
Contract Manufacturing
Commitment [Line Items]
Commitment amount	443.0	109.0
Commitments expected to be paid in next year	82.0
Other Purchasing Commitment
Commitment [Line Items]
Commitment amount	612.0	128.0
Commitments expected to be paid in next year	317.0
Investment Commitment
Commitment [Line Items]
Commitment amount	32.0	14.0
Capital Commitment
Commitment [Line Items]
Commitment amount	$ 8.0	$ 12.0