CONSOLIDATED STATEMENT OF OPERATIONS (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net sales	$ 7,403	$ 7,254	$ 5,989
Costs of products sold	5,763	5,716	4,993
Gross margin	1,640	1,538	996
Selling expenses	112	125	116
General and administrative expenses	338	404	382
Research and development expenses	27	33	32
Charges for restructuring, closures and impairments (Note 18)	44	377	26
Other operating income, net (Note 19)	(201)	(35)	(178)
Operating income	1,320	634	618
Interest income and other	37	55	48
Interest expense, net of capitalized interest	(344)	(369)	(344)
Earnings from continuing operations before income taxes	1,013	320	322
Income taxes (Note 20)	(185)	171	(10)
Earnings from continuing operations	828	491	312
Earnings from discontinued operations, net of income taxes (Note 3)	998	72	72
Net earnings	1,826	563	384
Net loss attributable to noncontrolling interests	0	0	1
Net earnings attributable to Weyerhaeuser	1,826	563	385
Dividends on preference shares	(44)	(23)	0
Net earnings attributable to Weyerhaeuser common shareholders	$ 1,782	$ 540	$ 385
Basic earnings per share attributable to Weyerhaeuser common shareholders (Note 5):
Continuing operations	$ 1.41	$ 0.82	$ 0.58
Discontinued operations	$ 1.79	$ 0.13	$ 0.13
Net earnings per share	$ 3.20	$ 0.95	$ 0.71
Diluted earnings per share attributable to Weyerhaeuser common shareholders (Note 5):
Continuing operations	$ 1.40	$ 0.82	$ 0.58
Discontinued operations	$ 1.78	$ 0.13	$ 0.13
Net earnings per share	$ 3.18	$ 0.95	$ 0.71
Dividends paid per common share	$ 1.02	$ 0.81	$ 0.62
Weighted average shares outstanding (in thousands) (Note 5):
Basic	556,705	566,329	539,140
Diluted	560,899	571,239	542,310