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INCOME TAXES (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Income Tax Disclosure [Abstract]    
Estimated reduction of unrecognized tax benefits $ 5us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit  
Income tax provision benefit related to special items $ 0ip_IncomeTaxProvisionBenefitRelatedToSpecialItems $ (190)ip_IncomeTaxProvisionBenefitRelatedToSpecialItems