REVENUE RECOGNITION - Revenue by Major Products (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue from External Customer
Net sales	$ 1,997	$ 2,973	$ 3,878	$ 6,085
Timberlands
Revenue from External Customer
Net sales	417	515	879	980
Timberlands | Delivered logs
Revenue from External Customer
Net sales	375	478	789	906
Timberlands | Stumpage and pay-as-cut timber
Revenue from External Customer
Net sales	15	11	31	20
Timberlands | Recreational and other lease revenue
Revenue from External Customer
Net sales	17	16	35	33
Timberlands | Other
Revenue from External Customer
Net sales	10	10	24	21
Timberlands | West | Delivered logs
Revenue from External Customer
Net sales	206	308	435	567
Timberlands | South | Delivered logs
Revenue from External Customer
Net sales	162	160	330	314
Timberlands | North | Delivered logs
Revenue from External Customer
Net sales	7	10	24	25
Timberlands | Domestic grade sales | West | Delivered logs
Revenue from External Customer
Net sales	101	103	194	216
Timberlands | Export grade sales | West | Delivered logs
Revenue from External Customer
Net sales	105	205	241	351
Real Estate & ENR
Revenue from External Customer
Net sales	80	117	181	245
Real Estate & ENR | Real Estate
Revenue from External Customer
Net sales	47	90	119	187
Real Estate & ENR | Energy and natural resources
Revenue from External Customer
Net sales	33	27	62	58
Wood Products
Revenue from External Customer
Net sales	1,500	2,341	2,818	4,860
Wood Products | Structural lumber
Revenue from External Customer
Net sales	573	998	1,088	2,204
Wood Products | Oriented strand board
Revenue from External Customer
Net sales	215	497	423	1,061
Wood Products | Engineered solid section
Revenue from External Customer
Net sales	215	247	384	443
Wood Products | Engineered I-joists
Revenue from External Customer
Net sales	126	168	213	305
Wood Products | Softwood plywood
Revenue from External Customer
Net sales	44	53	85	111
Wood Products | Medium density fiberboard
Revenue from External Customer
Net sales	42	53	80	101
Wood Products | Complementary building products
Revenue from External Customer
Net sales	204	239	367	454
Wood Products | Other
Revenue from External Customer
Net sales	$ 81	$ 86	$ 178	$ 181