RELATED PARTY TRANSACTIONS - Summary of Components of Net Transfers From (To) Parent (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Related Party Transaction [Line Items]
Net transfers from Parent		$ (487)		$ (479)
Affiliated Entity | International Paper
Related Party Transaction [Line Items]
Net transfers from Parent	$ 0	(487)	$ 0	(479)
Affiliated Entity | General financing activities | International Paper
Related Party Transaction [Line Items]
Net transfers from Parent	0	(522)	0	(601)
Affiliated Entity | Corporate allocations | International Paper
Related Party Transaction [Line Items]
Net transfers from Parent	0	32	0	112
Affiliated Entity | Stock-based compensation | International Paper
Related Party Transaction [Line Items]
Net transfers from Parent	$ 0	$ 3	$ 0	$ 10