INVENTORIES - Inventories as of the End of Our Last Two Years (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Inventory [Line Items]
Total	$ 358	$ 325
Logs
Inventory [Line Items]
LIFO inventories	18	5
FIFO or moving average cost inventories	21	36
Lumber, plywood and panels
Inventory [Line Items]
LIFO inventories	51	48
Lumber, plywood, panels and engineered wood products
Inventory [Line Items]
FIFO or moving average cost inventories	71	75
Other products
Inventory [Line Items]
LIFO inventories	20	11
FIFO or moving average cost inventories	92	84
Materials and supplies
Inventory [Line Items]
FIFO or moving average cost inventories	$ 85	$ 66