BUSINESS SEGMENTS - Reconciliation of Business Segment Information in Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 1,681	$ 2,022	$ 5,416	$ 5,900
Net contribution (charge) to earnings	82	365	556	929
Interest expense, net of capitalized interest	(69)	(72)	(203)	(208)
Earnings before income taxes	13	293	353	721
Income taxes	15	(54)	(38)	(101)
Net earnings	28	239	315	620
Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,817	2,163	5,832	6,333
Net contribution (charge) to earnings	135	411	739	1,053
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	(136)	(141)	(416)	(433)
Unallocated items
Segment Reporting, Revenue Reconciling Item
Net contribution (charge) to earnings	(53)	(46)	(183)	(124)
Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	357	380	1,153	1,259
Timberlands | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	357	380	1,153	1,259
Net contribution (charge) to earnings	57	78	218	302
Timberlands | Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	136	141	416	433
Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	89	105	305	286
Real Estate & ENR | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	89	105	305	286
Net contribution (charge) to earnings	51	56	170	161
Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,235	1,537	3,958	4,355
Wood Products | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,235	1,537	3,958	4,355
Net contribution (charge) to earnings	$ 27	$ 277	$ 351	$ 590