CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net earnings attributable to Weyerhaeuser common shareholders	$ 144	$ 41
Other comprehensive income (loss):
Foreign currency translation adjustments	(17)	11
Actuarial gains, net of tax expense of $23 and $12	48	23
Prior service costs, net of tax benefit of $0 and $30	(4)	(70)
Unrealized gains on available-for-sale securities	1	1
Total other comprehensive income (loss)	28	(35)
Comprehensive income attributable to Weyerhaeuser common shareholders	$ 172	$ 6