DISCONTINUED OPERATIONS - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
Sep. 30, 2014	Jun. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Common stock in exchange for the distribution of shares of Weyerhaeuser Real Estate Company (WRECO) to our shareholders	59
Real Estate Divestiture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash proceeds	$ 707
Net proceeds from issuance of debt		$ 887
4.375% notes due 2019 \| Real Estate Divestiture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Unsecured and unsubordinated senior debt obligations issued by WRECO		$ 450
Debt, interest rate		4.375%
Debt, maturity date		Jun. 15, 2019
5.875% notes due 2024 \| Real Estate Divestiture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Unsecured and unsubordinated senior debt obligations issued by WRECO		$ 450
Debt, interest rate		5.875%
Debt, maturity date		Jun. 15, 2024

Contractual interest rate for funds borrowed, under the debt agreement.

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

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