LINES OF CREDIT - Other Letters of Credit and Surety Bonds (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Forest Products
Line of Credit Facility [Line Items]
Letters of credit	$ 44	$ 29
Surety bonds	166	166
Real Estate
Line of Credit Facility [Line Items]
Letters of credit	11	11
Surety bonds	$ 264	$ 297