Commitments and Contingencies (Commitments and Loss Contingency) (Details) (USD $) In Millions, unless otherwise specified			9 Months Ended		9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Subpoena related to ADDERALL XR, DAYTRANA and VYVANSE	Dec. 31, 2012 Subpoena related to ADDERALL XR, DAYTRANA and VYVANSE	Sep. 30, 2014 Louisiana Compaint related to ADDERALL, ADDERALL XR , DAYTRANA, VYVANSE and INTUNIV	Sep. 30, 2014 Clinical Testing	Dec. 31, 2013 Clinical Testing	Sep. 30, 2014 Contract Manufacturing	Dec. 31, 2013 Contract Manufacturing	Sep. 30, 2014 Other Purchasing Commitment	Dec. 31, 2013 Other Purchasing Commitment	Sep. 30, 2014 Investment Commitment	Dec. 31, 2013 Investment Commitment	Sep. 30, 2014 Capital Commitment	Dec. 31, 2013 Capital Commitment
Commitment [Line Items]
Commitment amount						$ 457.0	$ 346.0	$ 419.0	$ 109.0	$ 297.0	$ 128.0	$ 19.0	$ 14.0	$ 6.0	$ 12.0
Commitments expected to be paid in next year								89.0		273.0
Legal Matters [Line Items]
Provisions for litigation loss, insurance claims and other disputes	10.2	72.7		57.5
Litigation Settlement, Amount			$ 56.5		$ 2.9