Goodwill And Intangible Assets (Components Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2012 Y		Dec. 31, 2011 Y
Finite-Lived Intangible Assets [Line Items]
Original Cost, Amortized intangible assets	$ 3,811,211		$ 3,681,557
Accumulated Amortization	1,643,851		1,546,911
Net Book Value, Amortized intangible assets	2,167,360		2,134,646
Net Book Value, IPR&D	462,136		496,101
Original Cost, Total intangible assets	4,273,347		4,177,658
Net Book Value, Total intangible assets	2,629,496		2,630,747
Patents And Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	20		20
Original Cost, Amortized intangible assets	116,631		116,631
Accumulated Amortization	84,183		82,815
Net Book Value, Amortized intangible assets	32,448		33,816
Product Rights And Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	10		10
Original Cost, Amortized intangible assets	3,501,257		3,364,263
Accumulated Amortization	1,509,757		1,418,492
Net Book Value, Amortized intangible assets	1,991,500		1,945,771
Other Finite Lived Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	8	[1]	8	[1]
Original Cost, Amortized intangible assets	193,323	[1]	200,663	[1]
Accumulated Amortization	49,911	[1]	45,604	[1]
Net Book Value, Amortized intangible assets	$ 143,412	[1]	$ 155,059	[1]

[1] Other intangible assets consist principally of customer lists and contracts.