OTHER OPERATING COSTS (INCOME), NET (Tables)

9 Months Ended

Sep. 30, 2021

Other Income [Abstract]

Income and Expense Items Included in Other Operating Costs (Income), Net

Other operating costs (income), net were comprised of the following:

	QUARTER ENDED						YEAR-TO-DATE ENDED
DOLLAR AMOUNTS IN MILLIONS	SEPTEMBER 2021			SEPTEMBER 2020			SEPTEMBER 2021			SEPTEMBER 2020
Foreign exchange losses (gains), net	$	(5	)	$	(2	)	$	(2	)	$	3
Gain on sale of timberlands		(32	)		—			(32	)		—
Litigation expense, net		5			7			11			9
Product remediation recovery		—			—			—			(8	)
Research and development expenses		1			1			3			4
Timber casualty loss		—			80			—			80
Other, net		16			6			28			17
Total other operating costs (income), net	$	(15	)	$	92		$	8		$	105