COMMITMENTS AND CONTINGENCIES Environmental Remediation Obligations (Details) - USD ($)	3 Months Ended
	Jun. 30, 2024	Dec. 31, 2022	Jun. 30, 2021	Mar. 31, 2020	Jun. 30, 2018	Dec. 31, 2017	Mar. 31, 2016	Dec. 31, 2015	Dec. 31, 2023	Dec. 31, 2020	Jun. 30, 2011
Loss Contingencies [Line Items]
Accrual for environmental loss contingencies	$ 270,000,000								$ 251,000,000
Liability for Asbestos and Environmental Claims, Net	112,000,000								97,000,000
Remedial Design Percentage		90.00%	100.00%
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	20,000,000								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	98,000,000								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)	25,000,000	$ 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								$ 30,000,000