Commitments and Contingencies (Commitments and Loss Contingency) (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Clinical Testing
Other Commitments [Line Items]
Commitment amount	$ 1,058.8	$ 1,037.4
Contract Manufacturing
Other Commitments [Line Items]
Commitment amount	322.2	528.9
Commitments expected to be paid in next year	173.3
Other Purchasing Commitment
Other Commitments [Line Items]
Commitment amount	1,923.8	1,745.4
Commitments expected to be paid in next year	1,001.9
Investment Commitment
Other Commitments [Line Items]
Commitment amount	61.6	76.4
Capital Commitment
Other Commitments [Line Items]
Commitment amount	256.2	$ 100.5
Baxter related tax indemnification
Other Commitments [Line Items]
Deferred Tax Assets (Liabilities), Net	$ 25.5