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RESTRUCTURING AND OTHER CHARGES (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Restructuring Cost and Reserve [Line Items]    
Restructuring and other charges $ 0ip_RestructuringAndOtherRelatedCharges $ 499ip_RestructuringAndOtherRelatedCharges
Courtland Mill Shutdown [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring and other charges   495ip_RestructuringAndOtherRelatedCharges
/ us-gaap_RestructuringPlanAxis
= ip_CourtlandmillshutdownMember
[1]
Other Restructuring and Other Charges [Member]    
Restructuring Cost and Reserve [Line Items]    
Restructuring and other charges   $ 4ip_RestructuringAndOtherRelatedCharges
/ us-gaap_RestructuringPlanAxis
= ip_OtherRestructuringAndOtherChargesMember
[1] During 2013, the Company deferred accelerating depreciation for certain assets as we evaluated possible alternative uses by one of our other businesses. During the first quarter of 2014, we completed our evaluation and concluded that there were no alternative uses for these assets. We recognized approximately $430 million of accelerated depreciation related to these assets during the first quarter of 2014. Other components of the first quarter of 2014 Courtland mill shutdown cost include site closure costs of $30 million, severance charges of $15 million and $20 million of other non-cash charges.