BUSINESS SEGMENTS - Reconciliation of Business Segment Information in Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 1,939	$ 1,997	$ 3,735	$ 3,878
Net contribution (charge) to earnings	273	325	474	564
Interest expense, net of capitalized interest	(67)	(70)	(134)	(136)
Earnings before income taxes	206	255	340	428
Income taxes	(33)	(25)	(53)	(47)
Net earnings	173	230	287	381
Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	2,085	2,147	4,015	4,170
Net contribution (charge) to earnings	336	374	604	642
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	(146)	(150)	(280)	(292)
Unallocated items
Segment Reporting, Revenue Reconciling Item
Net contribution (charge) to earnings	(63)	(49)	(130)	(78)
Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	409	417	796	879
Timberlands | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	409	417	796	879
Net contribution (charge) to earnings	81	104	161	224
Timberlands | Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	146	150	280	292
Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	109	80	216	181
Real Estate & ENR | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	109	80	216	181
Net contribution (charge) to earnings	59	52	119	105
Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,421	1,500	2,723	2,818
Wood Products | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,421	1,500	2,723	2,818
Net contribution (charge) to earnings	$ 196	$ 218	$ 324	$ 313