ACCRUED AND OTHER CURRENT LIABILITIES - Summary of Accrued and Other Current Liabilities (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Product rebates	$ 979	$ 897
Product returns	788	708
Interest	368	337
Income taxes payable	163	213
Legal liabilities assumed in the Salix Acquisition	56	281
Employee compensation and benefit costs	228	198
Professional fees	92	93
Litigation matters and related fees	106	7
Royalties	60	69
Acquisition-related contingent consideration	52	52
Advertising and promotion	55	50
Restructuring and integration costs	33	38
Value added tax	35	27
Deferred revenue	28	26
Deferred consideration for business acquisitions	18	18
Capital expenditures	10	17
Accrued milestones	12	12
Short-term borrowings	0	6
Other	176	178
Accrued and other current liabilities	$ 3,259	$ 3,227