COMMITMENTS AND CONTINGENCIES Environmental Remediation Obligations (Details) - USD ($)	3 Months Ended					12 Months Ended
	Dec. 31, 2022	Mar. 31, 2020	Jun. 30, 2018	Dec. 31, 2017	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2015	Mar. 31, 2024	Dec. 31, 2023	Dec. 31, 2020	Jun. 30, 2011
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies								$ 249,000,000	$ 251,000,000
Liability for Asbestos and Environmental Claims, Net								110,000,000	97,000,000
Cass Lake, Minnesota
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies								45,000,000	46,000,000		$ 46,000,000
Kalamazoo River Superfund Site
Loss Contingencies [Line Items]
Proposed consent decree, value of remediation payments										$ 100,000,000
Proposed consent decree, value of labor performed										$ 136,000,000
Liability for Asbestos and Environmental Claims, Net								22,000,000	27,000,000
Liability for Asbestos and Environmental Claims, Net, Period Increase (Decrease)	$ 27,000,000
Kalamazoo River Superfund Site | Time Critical Removal Action
Loss Contingencies [Line Items]
Loss contingency, damages sought, value					$ 37,000,000		$ 19,000,000
Kalamazoo River Superfund Site | Georgia-Pacific Consumer Products LP, Fort James Corporation and Georgia Pacific LLC Cost Recovery Action
Loss Contingencies [Line Items]
Loss contingency, damages sought, value						$ 79,000,000
Responsible party percentage			15.00%
Loss Contingency, damages awarded, value			$ 50,000,000
San Jacinto River Superfund Site
Loss Contingencies [Line Items]
Loss contingency, damages sought, value				$ 115,000,000
Responsible party percentage		50.00%
Liability for Asbestos and Environmental Claims, Net								78,000,000	$ 83,000,000
San Jacinto River Superfund Site | Northern impoundment [Member]
Loss Contingencies [Line Items]
Liability for Asbestos and Environmental Claims, Net		$ 55,000,000		$ 105,000,000
Liability for Asbestos and Environmental Claims, Net, Period Increase (Decrease)	$ 21,000,000
San Jacinto River Superfund Site | Southern Impoundment [Member]
Loss Contingencies [Line Items]
Liability for Asbestos and Environmental Claims, Net		$ 10,000,000
Versailles Pond
Loss Contingencies [Line Items]
Liability for Asbestos and Environmental Claims, Net								$ 30,000,000