CONSOLIDATED STATEMENT OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net sales and revenues	$ 6,216	$ 5,954	$ 5,068
Cost of products sold	5,120	4,831	4,661
Gross margin	1,096	1,123	407
Selling, general and administrative expenses	601	650	681
Research and development expenses	30	34	51
Alternative fuel mixture credits (Note 20)	0	0	(344)
Charges for restructuring, closures and impairments (Note 18)	83	148	686
Other operating income, net (Note 19)	(212)	(163)	(288)
Operating income (loss)	594	454	(379)
Interest income and other	47	83	74
Impairment of investments and other related charges (Note 18)	0	(3)	(7)
Interest expense, net of capitalized interest (Note 13)	(384)	(452)	(462)
Earnings (loss) from continuing operations before income taxes	257	82	(774)
Income taxes (Note 20)	62	1,192	249
Earnings (loss) from continuing operations	319	1,274	(525)
Earnings (loss) from discontinued operations, net of income taxes (Note 3)	12	9	(43)
Net earnings (loss)	331	1,283	(568)
Less: net (earnings) loss attributable to noncontrolling interests	0	(2)	23
Net earnings (loss) attributable to Weyerhaeuser common shareholders	$ 331	$ 1,281	$ (545)
Earnings (loss) per share attributable to Weyerhaeuser common shareholders, basic (Note 4):
Continuing operations	$ 0.60	$ 3.97	$ (2.38)
Discontinued operations	$ 0.02	$ 0.03	$ (0.20)
Net earnings (loss) per share	$ 0.62	$ 4.00	$ (2.58)
Earnings (loss) per share attributable to Weyerhaeuser common shareholders, diluted (Note 4):
Continuing operations	$ 0.59	$ 3.96	$ (2.38)
Discontinued operations	$ 0.02	$ 0.03	$ (0.20)
Net earnings (loss) per share	$ 0.61	$ 3.99	$ (2.58)
Dividends paid per share (Note 16)	$ 0.60	$ 26.61	$ 0.60
Weighted average shares outstanding (in thousands) (Note 4):
Basic	537,534	319,976	211,342
Diluted	539,879	321,096	211,342