INTANGIBLE ASSETS AND GOODWILL - Major Components of Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Finite-lived intangible assets:
Gross Carrying Amount	$ 25,359	$ 26,368
Accumulated Amortization, Including Impairments	(11,260)	(9,435)
Net Carrying Amount	14,099	16,933
Total intangible assets
Gross Carrying Amount	27,283	28,319
Accumulated Amortization, Including Impairments	(11,260)	(9,435)
Net Carrying Amount	16,023	18,884
Acquired IPR&D not in service
Indefinite-lived intangible assets:
Gross Carrying Amount	226	253
Accumulated Amortization, Including Impairments	0	0
Net Carrying Amount	226	253
Corporate brand
Indefinite-lived intangible assets:
Gross Carrying Amount	1,698	1,698
Accumulated Amortization, Including Impairments	0	0
Net Carrying Amount	1,698	1,698
Product brands
Finite-lived intangible assets:
Gross Carrying Amount	20,768	20,725
Accumulated Amortization, Including Impairments	(8,512)	(6,883)
Net Carrying Amount	12,256	13,842
Corporate brand
Finite-lived intangible assets:
Gross Carrying Amount	934	999
Accumulated Amortization, Including Impairments	(161)	(146)
Net Carrying Amount	773	853
Product rights
Finite-lived intangible assets:
Gross Carrying Amount	3,273	4,240
Accumulated Amortization, Including Impairments	(2,290)	(2,118)
Net Carrying Amount	983	2,122
Partner relationships
Finite-lived intangible assets:
Gross Carrying Amount	172	152
Accumulated Amortization, Including Impairments	(154)	(128)
Net Carrying Amount	18	24
Technology and other
Finite-lived intangible assets:
Gross Carrying Amount	212	252
Accumulated Amortization, Including Impairments	(143)	(160)
Net Carrying Amount	$ 69	$ 92