TIMBERLAND ACQUISITIONS AND DIVESTITURES - Additional Information (Details) a in Thousands, $ in Millions	Oct. 30, 2025 USD ($) a	Oct. 01, 2025 USD ($) a	Aug. 27, 2025 USD ($) a	Aug. 13, 2025 USD ($) a	Oct. 09, 2024 USD ($) a	Aug. 28, 2024 USD ($) a	Jul. 25, 2024 USD ($) a	May 30, 2024 USD ($) a	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Assets held for sale									$ 141	$ 0
Georgia and Alabama
Business Combination [Line Items]
Assets held for sale									101
Georgia and Alabama | Subsequent Event
Business Combination [Line Items]
Asset held for sale consideration	$ 220
Area of timberlands to be sold | a	86
Oregon
Business Combination [Line Items]
Assets held for sale									$ 40
Oregon | Subsequent Event
Business Combination [Line Items]
Asset held for sale consideration		$ 190
Area of timberlands sales | a		28
North Carolina and Virginia
Business Combination [Line Items]
Area of timberlands purchased | a			117
Payments to acquire timberlands			$ 364
Timberlands acquisition, timber and timberlands at cost, less depletion			361
Timberlands acquisition, property and equipment, net			$ 3
Washington
Business Combination [Line Items]
Area of timberlands purchased | a				10
Payments to acquire timberlands				$ 95
Timberlands acquisition, timber and timberlands at cost, less depletion				94
Timberlands acquisition, property and equipment, net				$ 1
Alabama
Business Combination [Line Items]
Area of timberlands to be purchased | a							84
Area of timberlands purchased | a					39	32		13
Payments to acquire timberlands					$ 114	$ 82	$ 244	$ 48
Timberlands acquisition, timber and timberlands at cost, less depletion						81		47
Timberlands acquisition, property and equipment, net						$ 1		$ 1