XML 27 R89.htm IDEA: XBRL DOCUMENT v2.4.1.9
INDUSTRY SEGMENT INFORMATION (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Related Party Transaction, Purchases from Related Party $ 43us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty $ 58us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty  
Income (loss) from equity method investments 35us-gaap_IncomeLossFromEquityMethodInvestments (33)us-gaap_IncomeLossFromEquityMethodInvestments  
Ilim Holding [Member]      
Segment Reporting Information [Line Items]      
Equity method investments 202us-gaap_EquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember
  170us-gaap_EquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember
Equity method investment, difference between carrying amount and underlying equity 156us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember
  158us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember
Percentage of equity interest 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember
   
Income (loss) from equity method investments $ 39us-gaap_IncomeLossFromEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember
$ (31)us-gaap_IncomeLossFromEquityMethodInvestments
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= ip_IlimHoldingMember