LEGAL PROCEEDINGS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended					6 Months Ended	12 Months Ended				1 Months Ended														6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Baraclude [Member]	Jun. 30, 2012 Baraclude [Member]	Jun. 30, 2013 Baraclude [Member]	Jun. 30, 2012 Baraclude [Member]	Jun. 30, 2013 Atripla Intellectual Property Litigation [Member]	Mar. 31, 2010 Atripla Intellectual Property Litigation [Member] lawsuits	Apr. 30, 2009 Atripla Intellectual Property Litigation [Member] patents	Jun. 30, 2013 Baraclude Intellectual Property Litigation [Member]	Dec. 31, 2012 Baraclude Intellectual Property Litigation [Member]	Aug. 31, 2010 Baraclude Intellectual Property Litigation [Member]	Nov. 30, 2010 Sprycel Intellectual Property Litigation [Member]	Sep. 30, 2010 Sprycel Intellectual Property Litigation [Member]	Nov. 30, 2008 Plavix Intellectual Property Litigation [Member]	Nov. 30, 2008 Remaining Apotex Matters Related To Plavix [Member]	Jun. 30, 2013 AWP Litigation [Member]	Sep. 30, 2010 AWP Litigation [Member]	Jun. 30, 2013 Qui Tam Litigation [Member]	Jun. 30, 2013 Plavix Product Liability Litigation [Member]	Jun. 30, 2013 Reglan Product Liability [Member]	Apr. 30, 2013 Hormone Replacement Therapy Product Liability [Member]	Apr. 30, 2013 Byetta And Bydureon Product Liability Litigation [Member]	Jun. 30, 2013 BMS-986094 Product Liability [Member]	Jun. 30, 2013 Environmental Proceedings Cercla Matters [Member]	Jun. 30, 2013 Environmental Proceedings New Brunswick [Member]	Oct. 30, 2011 Environmental Proceedings New Brunswick [Member]	May 31, 2008 Environmental Proceedings New Brunswick [Member]	Jun. 30, 2013 Environmental Proceedings North Brunswick [Member] payment
Legal Proceedings And Contingencies [Line Items]
Number of patents owned										6	15
Number of patents challenged										8	2			1		4
Number of lawsuits										2									2					35	150	8		400	150	250
Number of patent infringement lawsuits										2					4
Settlement relating to efavirenz polymorph patents									2
Loss contingency, Estimate of possible loss																				$ 28							$ 66
Number of plaintiffs settled																									300
Number of current plaintiffs																						3,600	2,800		600
Number of settlements																										4
Number of sales representatives																					3
Litigation settlement, Gross																	60														4
Interest percentage on damages sought by third party																		1.00%
Number of clinical trial patients																										300
Net Sales	$ 4,048	$ 4,443	$ 7,879	$ 9,694	$ 371	$ 357	$ 737	$ 682				$ 141	$ 241
Number of interim payments already transmitted																															2
Number of plaintiffs settled in principle																								400