CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net earnings attributable to Weyerhaeuser common shareholders	$ 41	$ 99
Other comprehensive income (loss):
Foreign currency translation adjustments	11	20
Actuarial gains, net of tax expense of $12 in 2012 and $8 in 2011	23	14
Prior service credits (costs), net of tax expense (benefit) of $30 in 2012 and ($1) in 2011	(70)	1
Unrealized gains on available-for-sale securities	1	0
Total other comprehensive income (loss)	(35)	35
Comprehensive income attributable to Weyerhaeuser common shareholders	$ 6	$ 134