OTHER INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
In-process research and development	$ 280		$ 280
Gross other intangible assets	4,469		4,982
Less: accumulated amortization	(2,906)		(3,229)
Other intangible assets	1,563		1,753
Other intangible assets held-for-sale, gross	500
Other intangible assets held-for-sale, net	126		52
Impairment charge for peginterferon lambda intangible asset		$ 310
Amortization expense	96	$ 151
Licensing Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	535		1,090
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	2,357		2,358
Capitalized Software, Intangible Asset [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets	$ 1,297		$ 1,254