BUSINESS SEGMENTS - Reconciliation of Business Segment Information in Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 2,022	$ 2,276	$ 5,900	$ 8,361
Net contribution (charge) to earnings	365	454	929	2,819
Interest expense, net of capitalized interest	(72)	(67)	(208)	(204)
Loss on debt extinguishment	0	0	0	(276)
Earnings before income taxes	293	387	721	2,339
Income taxes	(54)	(77)	(101)	(470)
Net earnings	239	310	620	1,869
Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	2,163	2,409	6,333	8,811
Net contribution (charge) to earnings	411	499	1,053	3,025
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	(141)	(133)	(433)	(450)
Unallocated items
Segment Reporting, Revenue Reconciling Item
Net contribution (charge) to earnings	(46)	(45)	(124)	(206)
Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	380	441	1,259	1,421
Timberlands | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	380	441	1,259	1,421
Net contribution (charge) to earnings	78	107	302	442
Timberlands | Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	141	133	433	450
Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	105	68	286	313
Real Estate & ENR | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	105	68	286	313
Net contribution (charge) to earnings	56	48	161	194
Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,537	1,767	4,355	6,627
Wood Products | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,537	1,767	4,355	6,627
Net contribution (charge) to earnings	$ 277	$ 344	$ 590	$ 2,389