ALLIANCES AND COLLABORATIONS (Valeant) (Details) (Valeant [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Dec. 31, 2012 Upfront, milestone and other licensing payments [Member]	Dec. 31, 2012 Upfront, milestone and other licensing payments [Member]
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Upfront, milestone and other licensing payments received				$ 79
Upfront payment allocated to license and other rights transferred to a collaboration partner			61
Upfront option to be received from a collaboration partner			18
Alliance revenue	$ 19	$ 30