RESTRUCTURING (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Charges [Abstract]
Employee termination benefits	$ 4	$ 21	$ 205	$ 56
Other exit costs	2	8	7	15
Provision for restructuring	6	29	212	71
Workforce reduction of manufacturing, selling, administrative, and research and development personnel	150	185	1,285	480
Liability at January 1			167	77
Charges			223	77
Change in estimates			(11)	(6)
Foreign currency translation			2	(1)
Amylin acquisition				26
Spending			(191)	(66)
Liability at September 30	$ 190	$ 107	$ 190	$ 107