CONSOLIDATED STATEMENT OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net sales and revenues	$ 7,059	$ 6,216	$ 5,954
Costs of products sold	5,810	5,120	4,831
Gross margin	1,249	1,096	1,123
Selling expenses	194	178	200
General and administrative expenses	436	423	450
Research and development expenses	32	30	34
Charges for restructuring, closures and impairments (Note 18)	32	83	148
Other operating income, net (Note 19)	(180)	(212)	(163)
Operating income	735	594	454
Interest income and other	52	47	80
Interest expense, net of capitalized interest (Note 13)	(348)	(384)	(452)
Earnings from continuing operations before income taxes	439	257	82
Income taxes (Note 20)	(55)	62	1,192
Earnings from continuing operations	384	319	1,274
Earnings from discontinued operations, net of income taxes (Note 3)	0	12	9
Net earnings	384	331	1,283
Net (earnings) loss attributable to noncontrolling interests	1	0	(2)
Net earnings attributable to Weyerhaeuser common shareholders	$ 385	$ 331	$ 1,281
Basic earnings per share attributable to Weyerhaeuser common shareholders (Note 4):
Continuing operations	$ 0.71	$ 0.60	$ 3.97
Discontinued operations	$ 0.00	$ 0.02	$ 0.03
Net earnings per share	$ 0.71	$ 0.62	$ 4.00
Diluted earnings per share attributable to Weyerhaeuser common shareholders (Note 4):
Continuing operations	$ 0.71	$ 0.59	$ 3.96
Discontinued operations	$ 0.00	$ 0.02	$ 0.03
Net earnings per share	$ 0.71	$ 0.61	$ 3.99
Dividends paid per share (Note 16)	$ 0.62	$ 0.60	$ 26.61
Weighted average shares outstanding (in thousands) (Note 4):
Basic	539,140	537,534	319,976
Diluted	542,310	539,879	321,096