SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION Inventories by Major Category (Details) - USD ($) $ in Millions |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Inventory [Line Items] | ||
| Raw materials | $ 303 | $ 339 |
| Finished pulp, paper and packaging | 1,192 | 1,248 |
| Operating supplies | 609 | 563 |
| Other | 118 | 78 |
| Inventory, Net | $ 2,222 | $ 2,228 |