AMIRA PHARMACEUTICALS, INC. ACQUISITION (Details) (Amira Pharmaceuticals [Member], USD $) In Millions, unless otherwise specified	Sep. 30, 2011
Amira Pharmaceuticals [Member]
Acquisition [Line Items]
Percentage of outstanding shares acquired	100.00%
Purchase price paid in cash	$ 325
Fair value of contingent consideration	58
Aggregate purchase price	383
Number of contingent milestone payments	3
Contingent milestone payment amount	50
Purchase price allocation - Cash	15
Purchase price allocation - In-process research and development	160
Purchase price allocation - Accrued expenses	(16)
Purchase price allocation - Deferred tax liabilities	(43)
Purchase price allocation - Total identifiable net assets	116
Purchase price allocation - Goodwill	267
In-process research and development valuation discount rate	12.50%
Acquisition costs	$ 1

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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