BUSINESS SEGMENTS - Reconciliation of Business Segment Information in Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 1,997	$ 2,973	$ 3,878	$ 6,085
Net contribution (charge) to earnings	325	1,037	564	2,365
Interest expense, net of capitalized interest	(70)	(65)	(136)	(137)
Loss on debt extinguishment	0	0	0	(276)
Earnings before income taxes	255	972	428	1,952
Income taxes	(25)	(184)	(47)	(393)
Net earnings	230	788	381	1,559
Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	2,147	3,129	4,170	6,402
Net contribution (charge) to earnings	374	1,081	642	2,526
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	(150)	(156)	(292)	(317)
Unallocated items
Segment Reporting, Revenue Reconciling Item
Net contribution (charge) to earnings	(49)	(44)	(78)	(161)
Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	417	515	879	980
Timberlands | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	417	515	879	980
Net contribution (charge) to earnings	104	153	224	335
Timberlands | Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	150	156	292	317
Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	80	117	181	245
Real Estate & ENR | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	80	117	181	245
Net contribution (charge) to earnings	52	65	105	146
Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,500	2,341	2,818	4,860
Wood Products | Operating Segments
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,500	2,341	2,818	4,860
Net contribution (charge) to earnings	$ 218	$ 863	$ 313	$ 2,045