GOODWILL AND OTHER INTANGIBLES Changes in Goodwill Balances (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Goodwill [Line Items]    
Beginning balance $ 7,113  
Accumulated impairment losses (a) [1] (3,778)  
Total 3,362 $ 3,335
Reclassifications and other [2] 37  
Additions/reductions (10)  
Ending balance 7,140  
Accumulated impairment losses (a) [1] (3,778)  
Industrial Packaging [Member]    
Goodwill [Line Items]    
Beginning balance 3,325  
Accumulated impairment losses (a) [1] (237)  
Total 3,087 3,088
Reclassifications and other [2] (1)  
Additions/reductions 0  
Ending balance 3,324  
Accumulated impairment losses (a) [1] (237)  
Printing Papers [Member]    
Goodwill [Line Items]    
Beginning balance 2,124  
Accumulated impairment losses (a) [1] (1,877)  
Total 275 247
Reclassifications and other [2] 38  
Additions/reductions [3] (10)  
Ending balance 2,152  
Accumulated impairment losses (a) [1] (1,877)  
Consumer Packaging [Member]    
Goodwill [Line Items]    
Beginning balance 1,664  
Accumulated impairment losses (a) [1] (1,664)  
Total 0 $ 0
Reclassifications and other [2] 0  
Additions/reductions 0  
Ending balance 1,664  
Accumulated impairment losses (a) [1] $ (1,664)  
[1] Represents accumulated goodwill impairment charges since the adoption of ASC 350, “Intangibles – Goodwill and Other” in 2002.
[2] Represents the effects of foreign currency translations and reclassifications.
[3] Reflects a reduction from tax benefits generated by the deduction of goodwill amortization for tax purposes in Brazil.