SIGNIFICANT ACCOUNTING POLICIES - Reclassifications (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassifications
Amortization of intangible assets									$ 2,673	$ 2,257	$ 1,427
Asset impairments									422	304	145
Acquired in-process research and development costs									34	106	20
(Income) / Expense	$ (151)	$ 864	$ (81)	$ (66)	$ (168)	$ (448)	$ (342)	$ (569)	566	(1,527)	(2,001)
Increase in deferred income taxes	5,434				5,903				5,434	5,903
Decrease in accounts payable	$ (324)				(434)				$ (324)	(434)
Reclassification of asset impairment
Reclassifications
Amortization of intangible assets										2,257	1,427
Asset impairments										304	145
Acquired in-process research and development costs										106	20
(Income) / Expense										2,667	1,592
Original Estimate of Fair Value | Reclassification of asset impairment
Reclassifications
Amortization of intangible assets										2,418	1,551
Asset impairments										0	0
Acquired in-process research and development costs										249	41
(Income) / Expense										2,667	1,592
Restatement adjustments
Reclassifications
Increase in deferred income taxes					153					153	72
Decrease in accounts payable					$ 153					153	72
Restatement adjustments | Reclassification of asset impairment
Reclassifications
Amortization of intangible assets										(161)	(124)
Asset impairments										304	145
Acquired in-process research and development costs										(143)	(21)
(Income) / Expense										$ 0	$ 0