Goodwill And Other Intangibles - Schedule Of Changes In The Carrying Amount Of Goodwill (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Goodwill [Roll Forward]
Goodwill, beginning balance		$ 4,450,082,000		$ 4,450,082,000
Allocation to current segments				0
Effect of currency translation on gross balance				(2,414,000)
Goodwill impairment charges	$ 0		$ 0	(391,000,000)	$ (288,745,000)
Goodwill, ending balance	4,056,668,000			4,056,668,000
U.S. Branded - Specialty & Established Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance		828,818,000		828,818,000
Allocation to current segments				0
Effect of currency translation on gross balance				0
Goodwill impairment charges				0
Goodwill, ending balance	828,818,000			828,818,000
U.S. Branded - Sterile Injectables
Goodwill [Roll Forward]
Goodwill, beginning balance		0		0
Allocation to current segments				2,731,193,000
Effect of currency translation on gross balance				0
Goodwill impairment charges		0		0
Goodwill, ending balance	2,731,193,000			2,731,193,000
U.S. Generic Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance		3,531,301,000		3,531,301,000
Allocation to current segments				(2,731,193,000)
Effect of currency translation on gross balance				0
Goodwill impairment charges		(391,000,000)		(391,000,000)
Goodwill, ending balance	409,108,000			409,108,000
International Pharmaceuticals
Goodwill [Roll Forward]
Goodwill, beginning balance		$ 89,963,000		89,963,000
Allocation to current segments				0
Effect of currency translation on gross balance				(2,414,000)
Goodwill impairment charges				0
Goodwill, ending balance	$ 87,549,000			$ 87,549,000