CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Comprehensive income (loss):
Consolidated net earnings	$ 384	$ 331	$ 1,283
Other comprehensive income (loss):
Foreign currency translation adjustments	2	(8)	30
Changes in unamortized net pension and other postretirement benefit loss, net of tax expense (benefit) of ($191) in 2012, ($243) in 2011, and $66 in 2010	(258)	(463)	(166)
Changes in unamortized prior service credit (cost), net of tax expense (benefit) of ($51) in 2012, $49 in 2011, and ($9) in 2010	(123)	82	9
Unrealized gains on available-for-sale securities	0	1	0
Total comprehensive income (loss)	5	(57)	1,156
Comprehensive (earnings) loss attributable to noncontrolling interests	1	0	(2)
Total comprehensive income (loss) attributable to Weyerhaeuser shareholders	$ 6	$ (57)	$ 1,154