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ACQUISITIONS AND JOINT VENTURES (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Apr. 08, 2014
Business Acquisition [Line Items]      
Restricted cash $ 2us-gaap_IncreaseDecreaseInRestrictedCash    
Orsa IP [Member]      
Business Acquisition [Line Items]      
Noncontrolling interest, ownership percentage by noncontrolling owners     25.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
/ us-gaap_BusinessAcquisitionAxis
= ip_OrsaIpMember
Payments to acquire businesses, gross   127us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= ip_OrsaIpMember
 
Acquisition of redeemable noncontrolling interest   105us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest
/ us-gaap_BusinessAcquisitionAxis
= ip_OrsaIpMember
 
Indemnification asset, acquisitions     22us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
/ us-gaap_BusinessAcquisitionAxis
= ip_OrsaIpMember
Restricted cash $ 9us-gaap_IncreaseDecreaseInRestrictedCash
/ us-gaap_BusinessAcquisitionAxis
= ip_OrsaIpMember
$ 11us-gaap_IncreaseDecreaseInRestrictedCash
/ us-gaap_BusinessAcquisitionAxis
= ip_OrsaIpMember