INVENTORIES - Inventories as of the End of Our Last Two Years (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Inventory [Line Items]
Total	$ 568	$ 595
Logs and chips
Inventory [Line Items]
LIFO inventories	15	9
FIFO or moving average cost inventories	38	38
Lumber, plywood and panels
Inventory [Line Items]
LIFO inventories	48	55
Lumber, plywood, panels and engineered wood products
Inventory [Line Items]
FIFO or moving average cost inventories	75	80
Pulp and paperboard
Inventory [Line Items]
LIFO inventories	111	122
FIFO or moving average cost inventories	32	35
Other products
Inventory [Line Items]
LIFO inventories	11	11
FIFO or moving average cost inventories	90	96
Materials and supplies
Inventory [Line Items]
FIFO or moving average cost inventories	$ 148	$ 149