Segment Information (Schedule Of Total Revenues From External Customers And Collaboration Partners By Geographic Region) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Segment Reporting Information [Line Items]
Total revenues	$ 2,121,660	$ 1,937,656	$ 6,185,007	$ 5,950,733
Outside Of The United States [Member]
Segment Reporting Information [Line Items]
Total revenues	939,479	865,886	2,822,411	2,826,596
Outside Of The United States [Member] | Switzerland [Member]
Segment Reporting Information [Line Items]
Total revenues	32,846	53,535	141,467	414,618
Outside Of The United States [Member] | France [Member]
Segment Reporting Information [Line Items]
Total revenues	154,684	126,485	437,602	376,564
Outside Of The United States [Member] | Spain [Member]
Segment Reporting Information [Line Items]
Total revenues	127,102	101,421	376,409	338,706
Outside Of The United States [Member] | United Kingdom [Member]
Segment Reporting Information [Line Items]
Total revenues	129,978	105,186	373,604	322,885
Outside Of The United States [Member] | Italy [Member]
Segment Reporting Information [Line Items]
Total revenues	93,082	78,395	302,658	261,519
Outside Of The United States [Member] | Germany [Member]
Segment Reporting Information [Line Items]
Total revenues	98,155	70,077	269,072	195,084
Outside Of The United States [Member] | Other European Countries [Member]
Segment Reporting Information [Line Items]
Total revenues	128,570	177,356	430,507	509,050
Outside Of The United States [Member] | Other Countries [Member]
Segment Reporting Information [Line Items]
Total revenues	175,062	153,431	491,092	408,170
United States [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 1,182,181	$ 1,071,770	$ 3,362,596	$ 3,124,137