ALLIANCES (Ono) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Alliances Statement [Line Items]
Net product sales									$ 14,045	$ 11,660	$ 12,304
Alliance revenues									2,515	4,219	4,081
Total Revenues	$ 4,287	$ 4,069	$ 4,163	$ 4,041	$ 4,258	$ 3,921	$ 3,889	$ 3,811	$ 16,560	15,879	16,385
Ono [Member]
Alliances Statement [Line Items]
Profit sharing involving only one compound - maximum									80.00%
Profit sharing involving only one compound - minimum									20.00%
Co-promotion fee percentage									60.00%
Net product sales									$ 113	113	41
Alliance revenues									61	28	4
Total Revenues									174	141	45
Cost of products sold - Co-promotion fee									20	20	11
Cost of products sold - Profit sharing									2
Cost reimbursements to/(from) alliance partner									$ (9)	$ (15)	$ (12)
North America [Member] | Ono [Member]
Alliances Statement [Line Items]
Royalty rate due to regulatory approvals									4.00%
Other Territories [Member] | Ono [Member]
Alliances Statement [Line Items]
Royalty rate due to regulatory approvals									15.00%