RESTRUCTURING (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring Charges [Abstract]

Schedule of Restructuring and Related Costs [Table Text Block]

The following tables summarize the charges and activity related to the restructuring actions:

	Year Ended December 31,
Dollars in Millions	2017		2016		2015
Employee termination costs	$	267	$	97	$	110
Other termination costs	26		12		8
Provision for restructuring	293		109		118
Accelerated depreciation	289		72		104
Asset impairments	241		13		1
Other shutdown costs	3		19		10
Total charges	$	826	$	213	$	233

	Year Ended December 31,
Dollars in Millions	2017		2016		2015
Cost of products sold	$	149	$	21	$	84
Marketing, selling and administrative	1		—		—
Research and development	383		83		31
Other income (net)	293		109		118
Total charges	$	826	$	213	$	233

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

	Year Ended December 31,
Dollars in Millions	2017			2016			2015
Liability at January 1	$	114		$	125		$	156
Charges	319			116			133
Change in estimates	(26		)	(7		)	(15		)
Provision for restructuring	293			109			118
Foreign currency translation	18			—			(15		)
Spending	(239		)	(120		)	(134		)
Liability at December 31	$	186		$	114		$	125