INVENTORIES Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Inventory [Line Items]
Total	$ 340	$ 358
Logs
Inventory [Line Items]
LIFO inventories	5	18
FIFO or moving average cost inventories	19	21
Lumber, plywood and panels
Inventory [Line Items]
LIFO inventories	44	51
Medium density fiberboard
Inventory [Line Items]
LIFO inventories	11	10
Lumber, plywood, panels and engineered wood products
Inventory [Line Items]
FIFO or moving average cost inventories	81	71
Other products
Inventory [Line Items]
LIFO inventories	14	10
FIFO or moving average cost inventories	81	92
Materials and supplies
Inventory [Line Items]
FIFO or moving average cost inventories	$ 85	$ 85