CONSOLIDATED STATEMENT OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 1,951	$ 1,494
Cost of products sold	1,533	1,290
Gross margin	418	204
Selling expenses	51	42
General and administrative expenses	118	108
Research and development expenses	7	7
Charges for restructuring, closures and impairments	4	12
Other operating income, net (Note 11)	(18)	(66)
Operating income	256	101
Interest income and other	11	12
Interest expense, net of capitalized interest	(82)	(87)
Earnings before income taxes	185	26
Income taxes (Note 12)	(41)	15
Net earnings attributable to Weyerhaeuser common shareholders	$ 144	$ 41
Earnings per share attributable to Weyerhaeuser common shareholders, basic and diluted (Note 3)	$ 0.26	$ 0.08
Dividends paid per share	$ 0.17	$ 0.15
Weighted average shares outstanding (in thousands) (Note 3):
Basic	545,234	537,368
Diluted	550,785	539,728