Financial Instruments (Interest Rate and Credit Risks) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended		12 Months Ended	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013 contract	Dec. 31, 2013 Product Sales	Jun. 30, 2014 Government-owned or Supported Healthcare Providers Italy	Jun. 30, 2014 Government-owned or Supported Healthcare Providers Spain	Jul. 01, 2014 Term loan facility one	Jun. 30, 2014 Term loan facility one	Jun. 30, 2014 Term loan facilitly two	Jun. 30, 2014 Revolving Credit Facility	Jun. 30, 2014 Revised facility
Interest rate risk
Average interest rate received on cash and liquid investments	less than 1% per annum.
Line of Credit Facility [Line Items]
Term loan facility							$ 125	$ 850
Facilitiy agreement total amount	2,600								1,200	975
Interest rate risk exposure	A hypothetical one percentage point increase or decrease in the interest rates applicable to drawings under the RCF and the Facilities at June 30, 2014 would increase or decrease interest expense by approximately $11 million per annum.
Facility amount outstanding						0	125	850	85
Accounts Receivable
Number of major external customers		3
Concentration risk percentage			52.00%
Accounts receivable received				$ 62.7	$ 52.5