REVENUE RECOGNITION (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Gross product sales	$ 7,509	$ 6,306	$ 14,210	$ 12,168
Charge-backs and cash discounts	(663)	(500)	(1,246)	(938)
Medicaid and Medicare rebates [Line Items]	765	517	1,322	901
Other rebates, returns, discounts and adjustments	620	519	1,209	979
Total GTN adjustments	2,048	1,536	3,777	2,818
Effect of gross to net adjustments to sales from prior periods	60	5	110	54
Sales Revenue, Goods, Net	5,461	4,770	10,433	9,350
Alliance revenues	154	237	306	461
Sales Revenue, Services, Net	89	137	158	262
Revenue, Net	$ 5,704	$ 5,144	$ 10,897	$ 10,073
Minimum [Member]
Segment Reporting Information [Line Items]
Revenue, Performance Obligation, Description of Payment Terms			30
Minimum [Member] | Biologic products [Member]
Segment Reporting Information [Line Items]
Revenue, Performance Obligation, Description of Payment Terms			90
Maximum [Member]
Segment Reporting Information [Line Items]
Revenue, Performance Obligation, Description of Payment Terms			90
Maximum [Member] | Biologic products [Member]
Segment Reporting Information [Line Items]
Revenue, Performance Obligation, Description of Payment Terms			120