ALLIANCES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Alliance Statement [Line Items]
Net product sales	$ 4,862	$ 4,492	$ 14,212	$ 12,888
Alliance revenues	334	402	957	1,229
Total revenues	5,254	4,922	15,327	14,184
Receivables - from alliance partners	878		878		$ 903
Amortization of deferred income			59	193
Alliance Partners [Member]
Alliance Statement [Line Items]
Net product sales	1,764	1,465	5,045	4,031
Total revenues	2,098	1,867	6,002	5,260
Payments to/(from) alliance partners - Cost of products sold	678	572	1,969	1,543
Payments to/(from) alliance partners - Marketing, selling and administrative	(16)	(3)	(39)	(10)
Payments to/(from) alliance partners - Research and development	(12)	(7)	(6)	23
Payments to/(from) alliance partners - Other (income)/expense	(151)	(160)	(545)	(864)
Noncontrolling interest, pre-tax	4	$ 3	9	$ 13
Receivables - from alliance partners	878		878		903
Accounts payable - to alliance partners	634		634		555
Deferred income from alliances	$ 1,060		1,060		$ 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