Derivative Financial Instruments (Summary Of The Effect Of Foreign Currency Exchange Contracts On Condensed Consolidated Statements Of Income) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Derivative Financial Instruments [Abstract]
Net gains (losses) recognized in OCI (effective portion)	$ 107,871	$ (174,321)	$ (66,236)	$ 76,023
Net gains (losses) reclassified from accumulated OCI into product sales (effective portion)	(44,072)	31,526	(55,088)	69,080
Net losses recognized in interest and other income, net (ineffective portion and amounts excluded from effectiveness testing)	(7,759)	5,158	(10,825)	3,493
Net gains (losses) recognized in interest and other income, net	$ 86,781	$ (106,918)	$ (33,409)	$ 31,916