REVENUE RECOGNITION - Revenue by Major Products (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue from External Customer
Net sales	$ 2,022	$ 2,276	$ 5,900	$ 8,361
Timberlands
Revenue from External Customer
Net sales	380	441	1,259	1,421
Timberlands | Delivered logs
Revenue from External Customer
Net sales	342	405	1,131	1,311
Timberlands | Stumpage and pay-as-cut timber
Revenue from External Customer
Net sales	12	10	43	30
Timberlands | Recreational and other lease revenue
Revenue from External Customer
Net sales	19	18	54	51
Timberlands | Other
Revenue from External Customer
Net sales	7	8	31	29
Timberlands | West | Delivered logs
Revenue from External Customer
Net sales	176	224	611	791
Timberlands | South | Delivered logs
Revenue from External Customer
Net sales	155	166	485	480
Timberlands | North | Delivered logs
Revenue from External Customer
Net sales	11	15	35	40
Timberlands | Domestic grade sales | West | Delivered logs
Revenue from External Customer
Net sales	96	97	290	313
Timberlands | Export grade sales | West | Delivered logs
Revenue from External Customer
Net sales	80	127	321	478
Real Estate & ENR
Revenue from External Customer
Net sales	105	68	286	313
Real Estate & ENR | Real Estate
Revenue from External Customer
Net sales	79	30	198	217
Real Estate & ENR | Energy and natural resources
Revenue from External Customer
Net sales	26	38	88	96
Wood Products
Revenue from External Customer
Net sales	1,537	1,767	4,355	6,627
Wood Products | Structural lumber
Revenue from External Customer
Net sales	570	676	1,658	2,880
Wood Products | Oriented strand board
Revenue from External Customer
Net sales	284	287	707	1,348
Wood Products | Engineered solid section
Revenue from External Customer
Net sales	216	233	600	676
Wood Products | Engineered I-joists
Revenue from External Customer
Net sales	122	166	335	471
Wood Products | Softwood plywood
Revenue from External Customer
Net sales	42	47	127	158
Wood Products | Medium density fiberboard
Revenue from External Customer
Net sales	40	50	120	151
Wood Products | Complementary building products
Revenue from External Customer
Net sales	184	222	551	676
Wood Products | Other
Revenue from External Customer
Net sales	$ 79	$ 86	$ 257	$ 267