VARIABLE INTEREST ENTITIES AND PREFERRED SECURITIES OF SUBSIDIARIES (Narrative) (Details)
a in Thousands, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2007
USD ($)
a
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Dec. 31, 2006
USD ($)
a
Dec. 31, 2014
USD ($)
Sep. 30, 2012
USD ($)
Dec. 31, 2007
USD ($)
Variable Interest Entity [Line Items]                  
Forestlands acreage sales | a 1,550                
International Paper debt obligations held by the Entities   $ 9,900   $ 9,900          
Remainder of the borrowing included in long-term debt   9,017   9,017     $ 8,631   $ 2,140
Additional debt included in notes payable and current maturities   $ 909   $ 909     742    
Letters of credit issued that support Timber Notes $ 2,380                
The percent of letters of credit supporting Timber Notes and Monetized Note that are cash collateralized   100.00%   100.00%          
Fair value of notes receivable as of acquisition date               $ 2,090  
Notes receivable, fair value disclosure   $ 2,150   $ 2,150          
Fair value of financial assets as of acquisition date                 $ 2,030
Long-term debt, fair value   2,040   2,040          
Accretion Income for Amortization of Purchase Accounting Adjustment, Financial Assets   4 $ 4 9 $ 9        
Accretion Expense for Amortization of Purchase Accounting Adjustment, Financial Liabiities   1 $ 1 3 $ 3        
Entities [Member]                  
Variable Interest Entity [Line Items]                  
Deferred Tax Liabilities, Other   1,400   1,400          
Variable Interest Entity, Not Primary Beneficiary [Member]                  
Variable Interest Entity [Line Items]                  
Amount of consideration received $ 2,380         $ 4,800      
Contribution of Class A interests in the Borrower Entities to other newly formed entities in December 2006           200      
Contribution of International Paper promissory notes, to other newly formed entities           400      
Entities acquired International Paper debt obligations for cash           4,800      
International Paper debt obligations held by the Entities           5,200      
Variable Interest Entity, Not Primary Beneficiary [Member] | Class B Interests In Entities [Member]                  
Variable Interest Entity [Line Items]                  
Class B interests held in entities in December 2006   5,200   5,200   $ 5,000      
International Paper debt obligations held by the Entities   5,400   5,400     5,300    
Remainder of the borrowing included in long-term debt   42   42     50    
Additional debt included in notes payable and current maturities   $ 107   $ 107     $ 107    
Timber Notes [Member]                  
Variable Interest Entity [Line Items]                  
Forestlands acreage sales | a           5,600      
Letters of credit downgrade period of replacement   60 days              
2007 Financing Entities [Member]                  
Variable Interest Entity [Line Items]                  
Letters of credit downgrade period of replacement       30 days          
Deferred Tax Liabilities, Other   $ 840   $ 840