XML 186 R74.htm IDEA: XBRL DOCUMENT v2.4.0.6
EQUITY AFFILIATES - Additional Information (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Forest Products | North Pacific Paper Corporation (NORPAC)
   
Schedule of Equity Method Investments [Line Items]    
Payable balance to equity affiliate $ 75 $ 57
Equity affiliate, ownership 50.00%  
Real Estate
   
Schedule of Equity Method Investments [Line Items]    
Number of equity investments in real estate partnerships and limited liability companies 5  
Minimum | Real Estate
   
Schedule of Equity Method Investments [Line Items]    
Equity affiliate, ownership 7.00%  
Maximum | Real Estate
   
Schedule of Equity Method Investments [Line Items]    
Equity affiliate, ownership 50.00%