BUSINESS SEGMENTS - Additional Financial Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Depreciation, depletion and amortization	$ 125	$ 125
Capital expenditures	93	79
Operating segments | Timberlands
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Depreciation, depletion and amortization	65	64
Capital expenditures	26	31
Operating segments | Real Estate & ENR
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Depreciation, depletion and amortization	2	3
Capital expenditures	0	0
Operating segments | Wood Products
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Depreciation, depletion and amortization	55	56
Capital expenditures	67	42
Unallocated Items
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Depreciation, depletion and amortization	3	2
Capital expenditures	$ 0	$ 6