| Component: (Network and Table) | |
|---|---|
| Network | 2408403 - Disclosure - Supplementary Financial Statement Information (Inventories By Major Category) (Details) (http://www.internationalpaper.com/role/SupplementaryFinancialStatementInformationInventoriesByMajorCategoryDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000051434 (http://www.sec.gov/CIK) |
| Disclosure Text Block Supplement [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Disclosure Text Block Supplement [Abstract] | ||
Raw materials | ||
Finished pulp, paper and packaging products | ||
Operating supplies | ||
Other | ||
Inventories | 2,438,000,000 | 2,228,000,000 |