OTHER OPERATING COSTS, NET (Tables)

9 Months Ended

Sep. 30, 2020

Other Income [Abstract]

Income and Expense Items Included in Other Operating Costs, Net

	QUARTER ENDED					YEAR-TO-DATE ENDED
DOLLAR AMOUNTS IN MILLIONS	SEPTEMBER 2020			SEPTEMBER 2019		SEPTEMBER 2020		SEPTEMBER 2019
Foreign exchange losses (gains), net	$	(2	)	$	1	$	3	$	2
Litigation expense, net		7			25		9		59
Research and development expenses		1			1		4		4
Timber casualty loss		80			—		80		—
Other, net		6			6		17		20
Total other operating costs, net	$	92		$	33	$	113	$	85