RESTRUCTURING (Tables)

12 Months Ended

Dec. 31, 2019

Celgene Integration [Member]

Schedule of Restructuring and Related Costs [Table Text Block]

Dollars in Millions	Year Ended December 31, 2019
Provision for restructuring	$	256
Integration expenses	415
Asset impairments	3
Total charges	$	674

Dollars in Millions	Year Ended December 31, 2019
Research and development	$	3
Other (income)/expense, net	671
Total charges	$	674

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

Dollars in Millions	Year Ended December 31, 2019
Liability at January 1	$	—
Provision for restructuring(a)	111
Payments	(34		)
Liability at December 31	$	77

Operating Model 2020 [Member]

Schedule of Restructuring and Related Costs [Table Text Block]

The following tables summarize the charges and activity related to the Company transformation:

	Year Ended December 31,
Dollars in Millions	2019		2018		2017
Employee termination costs	$	17	$	87	$	267
Other termination costs	28		44		26
Provision for restructuring	45		131		293
Accelerated depreciation	133		113		289
Asset impairments	127		16		241
Other shutdown costs	—		8		3
Total charges	$	305	$	268	$	826

	Year Ended December 31,
Dollars in Millions	2019		2018		2017
Cost of products sold	$	180	$	57	$	149
Marketing, selling and administrative	1		1		1
Research and development	79		79		383
Other (income)/expense, net	45		131		293
Total charges	$	305	$	268	$	826

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

	Year Ended December 31,
Dollars in Millions	2019			2018			2017
Liability at December 31	$	99		$	186		$	114
Cease-use liability reclassification	(3		)	—			—
Liability at January 1	96			186			114
Charges	49			148			319
Change in estimates	(4		)	(17		)	(26		)
Provision for restructuring	45			131			293
Foreign currency translation and other	(1		)	1			18
Payments	(117		)	(219		)	(239		)
Liability at December 31	$	23		$	99		$	186