OTHER OPERATING COSTS, NET - Income and Expense Items Included in Other Operating Costs, Net (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Income [Abstract]
Foreign exchange losses (gains), net		$ (5)	$ 7	$ 2
Gain on disposition of nonstrategic assets		(3)	(4)	(4)
Insurance recovery		(13)	0	0
Litigation expense, net		7	11	63
Research and development expenses		5	5	6
Timber casualty loss	$ 80	0	80	0
Other, net		42	35	28
Total other operating costs, net		$ 33	$ 134	$ 95