PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,126	$ 2,806
Less: accumulated depreciation and amortization	(2,193)	(2,001)
Property, plant and equipment, net	933	805
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	28	30
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	367	365
Laboratory Equipment, Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,386	1,248
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	538	452
Computer Software Developed or Obtained for Internal Use [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	675	581
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 132	$ 130