Disposal Group, Transfer of Ownership Interest

No definition available.

Name:	ip_DisposalGroupTransferOfOwnershipInterest
Namespace Prefix:	ip_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Special payment received in exchange for asset contribution

+ References

No definition available.

+ Details

Name:	ip_Specialpaymentreceivedinexchangeforassetcontribution
Namespace Prefix:	ip_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds.

+ References

+ Details

Name:	us-gaap_CommonStockSharesSubscribedButUnissued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents the cash inflow during the period from the sale of a component of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The value of all consideration given or received by the Entity in the significant acquisition or disposal.

+ References

No definition available.

+ Details

Name:	us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

DIVESTITURES (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		3 Months Ended
	Jun. 30, 2013 Deltic Timber Corporation (Deltic) [Member] Temple Inland Building Products Business [Member]	Apr. 02, 2013 Deltic Timber Corporation (Deltic) [Member] Temple Inland Building Products Business [Member]	Sep. 30, 2013 Georgia-Pacific [Member] Temple Inland Building Products Business [Member]	Sep. 30, 2014 Veritiv [Member]	Jul. 01, 2014 Veritiv [Member] International Paper Employees [Member]	Jul. 01, 2014 Veritiv [Member] UWW Holdings [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, transfer of ownership interest	50.00%
Significant acquisitions and disposals, acquisition costs or sale proceeds		$ 20
Proceeds from divestitures			726
Common stock, shares, issued					8,160,000
Special payment received in exchange for asset contribution				$ 400
Common stock, shares subscribed but unissued						7,840,000