ALLIANCES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Alliance Statement [Line Items]
Net product sales	$ 4,580	$ 3,964
Alliance revenues	297	409
Total revenues	4,929	4,391
Receivables - from alliance partners	897		$ 903
Amortization of deferred income	20	82
Alliance Partners [Member]
Alliance Statement [Line Items]
Net product sales	1,576	1,231
Total revenues	1,873	1,640
Payments to/(from) alliance partners - Cost of products sold	624	476
Payments to/(from) alliance partners - Marketing, selling and administrative	(9)	1
Payments to/(from) alliance partners - Research and development		33
Payments to/(from) alliance partners - Other (income)/expense	(246)	(253)
Noncontrolling interest, pre-tax	2	$ 2
Receivables - from alliance partners	897		903
Accounts payable - to alliance partners	600		555
Deferred income from alliances	1,251		$ 1,194
AstraZeneca [Member]
Alliance Statement [Line Items]
Proceeds from divestiture of businesses	100
F-star Alpha [Member]
Alliance Statement [Line Items]
IPRD impairment	$ 75