CONSOLIDATED STATEMENT OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net sales and revenues	$ 1,772	$ 1,569	$ 5,059	$ 4,601
Cost of products sold	1,424	1,283	4,230	3,803
Gross margin	348	286	829	798
Selling, general and administrative expenses	156	135	448	452
Research and development expenses	8	7	23	21
Charges for restructuring, closures and impairments (Note 6)	10	41	26	52
Other operating costs (income), net (Note 7)	(28)	3	(147)	(190)
Operating income	202	100	479	463
Interest income and other	15	15	38	35
Interest expense, net of capitalized interest	(87)	(86)	(260)	(296)
Earnings from continuing operations before income taxes	130	29	257	202
Income taxes (Note 15)	(13)	104	(15)	52
Earnings from continuing operations	117	133	242	254
Earnings from discontinued operations, net of income taxes (Note 4)	0	24	0	12
Net earnings attributable to Weyerhaeuser common shareholders	$ 117	$ 157	$ 242	$ 266
Earnings per share attributable to Weyerhaeuser common shareholders, basic and diluted (Note 3):
Continuing operations	$ 0.22	$ 0.25	$ 0.45	$ 0.47
Discontinued operations	$ 0.00	$ 0.04	$ 0.00	$ 0.02
Net earnings per share	$ 0.22	$ 0.29	$ 0.45	$ 0.49
Dividends paid per share	$ 0.15	$ 0.15	$ 0.45	$ 0.45
Weighted average shares outstanding (in thousands) (Note 3):
Basic	539,094	537,969	538,146	537,906
Diluted	542,311	539,827	540,694	540,469