Financial Instruments (Interest Rate and Credit Risks) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended
	Mar. 31, 2014 contract	Dec. 31, 2013 Product Sales	Mar. 31, 2014 Government-owned or Supported Healthcare Providers Italy	Mar. 31, 2014 Government-owned or Supported Healthcare Providers Spain	Mar. 31, 2014 Term loan facility one	Mar. 31, 2014 Term loan facilitly two	Mar. 31, 2014 Original facility Term loan facility one	Mar. 31, 2014 Revolving Credit Facility	Mar. 31, 2014 Revised facility	Mar. 31, 2014 Revised facility Term loan facility one
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						$ 850	$ 550			$ 350
Facilitiy agreement total amount	2,600							1,200	1,200
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 March 31, 2014 would increase or decrease interest expense by approximately $15.2 million per annum.
Facility amount outstanding					350	850		320
Accounts Receivable
Number of major external customers	3
Concentration risk percentage		52.00%
Accounts receivable received			$ 27.3	$ 28.1