| Component: (Network and Table) | |
|---|---|
| Network | 2427402 - Disclosure - OTHER OPERATING INCOME, NET - Various Income and Expense Items Included in Other Operating Income, Net (Details) (http://weyerhaeuser.com/role/OtherOperatingIncomeNetVariousIncomeAndExpenseItemsIncludedInOtherOperatingIncomeNetDetails) | 
| Table | Statement [Table] | 
| Reporting Entity [Axis] | 0000106535 (http://www.sec.gov/CIK) | 
| Legal Entity [Axis] | Entity [Domain] | 
| Statement [Line Items] | Period [Axis] | ||
|---|---|---|---|
| 2013-01-01 - 2013-12-31 | 2012-01-01 - 2012-12-31 | 2011-01-01 - 2011-12-31 | |
| Gain on the sale of non-strategic timberlands | ( | ||
| Gain on postretirement plan amendment (Note 10) | 0   | (103,000,000)  | 0   | 
| Gain on disposition of assets | ( | ( | ( | 
| Foreign exchange (gains) losses, net | ( | ||
| Land management income | ( | ( | ( | 
| Litigation expense, net | |||
| Other, net | ( | ( | ( | 
| Total | (25,000,000)  | (180,000,000)  | (212,000,000)  |