LEGAL PROCEEDINGS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended													1 Months Ended								12 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Baraclude [Member]	Dec. 31, 2012 Baraclude [Member]	Dec. 31, 2011 Baraclude [Member]	Dec. 31, 2013 AWP Litigation [Member]	Sep. 30, 2010 AWP Litigation [Member]	Dec. 31, 2013 Qui Tam Litigation [Member]	Dec. 31, 2013 Environmental Proceedings New Brunswick [Member]	Oct. 30, 2011 Environmental Proceedings New Brunswick [Member]	May 31, 2008 Environmental Proceedings New Brunswick [Member]	Dec. 31, 2013 Hormone Replacement Therapy Product Liability [Member]	Nov. 30, 2008 Plavix Product Liability [Member]	Dec. 31, 2013 Plavix Product Liability [Member]	Dec. 31, 2013 Cercla Matters [Member]	Dec. 31, 2013 Reglan Product Liability [Member]	Aug. 31, 2013 Atripla Intellectual Property Litigation [Member]	Mar. 31, 2010 Atripla Intellectual Property Litigation [Member]	Apr. 30, 2009 Atripla Intellectual Property Litigation [Member] lawsuits	Aug. 31, 2010 Baraclude Intellectual Property Litigation [Member]	Dec. 31, 2013 Baraclude Intellectual Property Litigation [Member] Baraclude [Member] United States [Member]	Dec. 31, 2013 Baraclude Intellectual Property Litigation [Member] Baraclude [Member] South Korea [Member]	Dec. 31, 2013 Environmental Proceedings North Brunswick [Member]	Dec. 31, 2013 Environmental Proceedings North Brunswick [Member]	Dec. 31, 2013 Byetta And Bydureon Product Liability [Member]	Dec. 31, 2013 BMS-986094 Product Liability [Member]	Dec. 31, 2013 Abilify Copay Assistance Litigation [Member]
Legal Proceedings And Contingencies [Line Items]
Number of patent infringement lawsuits																											2
Number of patents owned																											6	15
Number of patents challenged																											8	2	1
Number of lawsuits															2			400	150	250	3						2							280	10
Loss contingency, Estimate of possible loss																$ 28								$ 66
Number of current plaintiffs																							5,700		3,000									1,100
Number of plaintiffs settled	8								8																									350
Number of plaintiffs settled in principle																					400
Litigation settlement, Gross																						60											4
Interest percentage on damages sought by third party																						1.00%
Number of interim payments already transmitted																																2
Revenues	$ 4,441	$ 4,065	$ 4,048	$ 3,831	$ 4,191	$ 3,736	$ 4,443	$ 5,251	$ 16,385	$ 17,621	$ 21,244	$ 1,527	$ 1,388	$ 1,196																$ 289	$ 158
Number of settlements relating to efavirenz polymorph patents																										2
Number of sales representatives																	3
Additional plaintiffs settled in principle																					29
Number of claims remaining outstanding																																			1	1