LINES OF CREDIT - Other Letters of Credit and Surety Bonds (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Forest Products
Line of Credit Facility [Line Items]
Letters of credit	$ 49	$ 44
Surety bonds	157	166
Real Estate
Line of Credit Facility [Line Items]
Letters of credit	4	11
Surety bonds	$ 261	$ 264