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COMPREHENSIVE INCOME (LOSS) - Items Included in Comprehensive Income (Loss) (Detail) (USD $)
In Millions
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Consolidated net earnings (loss) $ 10 $ 14 $ 109 $ (4)
Other comprehensive income:        
Foreign currency translation adjustments 2 (27) 22 (2)
Actuarial gains, net of tax 96 81 110 83
Prior service credits, net of tax (4) (11) (3) (9)
Total other comprehensive income 94 43 129 72
Total comprehensive income 104 57 238 68
Less: comprehensive income attributable to noncontrolling interests 0 0 0 (2)
Comprehensive income attributable to Weyerhaeuser common shareholders $ 104 $ 57 $ 238 $ 66