Business Acquisition Share Pence

No definition available.

Name:	ip_BusinessAcquisitionSharePence
Namespace Prefix:	ip_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Pro forma ownership - IP

+ References

No definition available.

+ Details

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Namespace Prefix:	ip_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Pro-forma ownership percent - DS Smith

+ References

No definition available.

+ Details

Name:	ip_ProFormaOwnershipPercentDSSmith
Namespace Prefix:	ip_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479581/805-30-50-1

+ Details

Name:	us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

+ Details

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

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479405/805-10-25-23

+ Details

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

- Definition

Purchase price of expected business acquisition prior to consideration being transferred. Excludes asset acquisition.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-SubTopic 10
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479455/805-10-15-3

+ Details

Name:	us-gaap_BusinessCombinationPriceOfAcquisitionExpected
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Foreign exchange rate used to remeasure amounts denominated in a currency other than functional currency into functional currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479424/830-30-S99-1

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ip_DSSmithPlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

ACQUISITIONS (Details) $ / shares in Units, $ in Millions		3 Months Ended	6 Months Ended
ACQUISITIONS (Details) $ / shares in Units, $ in Millions	Apr. 16, 2024 USD ($) $ / shares shares	Jun. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs		$ 17	$ 22
DS Smith Plc
Business Acquisition [Line Items]
Business Acquisition, Share Price-Pence per Share	415
Business Acquisition, Share Price \| $ / shares	$ 40.85
Foreign Currency Exchange Rate, Remeasurement	1.2645
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares \| shares	0.1285
Pro forma ownership - IP	66.30%
Pro-forma ownership percent - DS Smith	33.70%
Business Combination, Price of Acquisition, Expected	$ 9,900