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ASSETS IMPAIRMENTS AND RESTRUCTURING (Tables)

6 Months Ended

Jun. 30, 2019

Restructuring Costs and Asset Impairment Charges [Abstract]

Restructuring and Related Costs [Table Text Block]

	Second Quarter								First Six Months
(Dollars in millions)	2019				2018				2019				2018
Severance charges	$	16			$	4			44				6
Other restructuring costs	2				—				6				—
Total	$	18			$	4			$	50			$	6

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

The following table summarizes the changes in asset impairments and restructuring charges and gains, the non-cash reductions attributable to asset impairments, and the cash reductions in restructuring reserves for severance costs and site closure costs paid in first six months 2019 and full year 2018:

(Dollars in millions)	Balance at January 1, 2019				Provision/ Adjustments				Non-cash Reductions/ Additions				Cash Reductions				Balance at June 30, 2019
Severance costs	$	6			$	44			$	—			$	(15	)		$	35
Other restructuring costs	8				6				1				(4		)		11
Total	$	14			$	50			$	1			$	(19	)		$	46

(Dollars in millions)	Balance at January 1, 2018				Provision/ Adjustments				Non-cash Reductions/ Additions				Cash Reductions				Balance at December 31, 2018
Non-cash charges	$	—			$	39			$	(39	)		$	—			$	—
Severance costs	19				6				1				(20		)		6
Other restructuring costs	10				—				—				(2		)		8
Total	$	29			$	45			$	(38	)		$	(22	)		$	14

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Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.

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Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

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