CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net sales	$ 1,709	$ 1,355	$ 4,769	$ 3,980
Costs of products sold	1,314	1,073	3,661	3,123
Gross margin	395	282	1,108	857
Selling expenses	22	24	67	73
General and administrative expenses	78	55	248	184
Research and development expenses	5	4	14	12
Charges for integration and restructuring, closures and asset impairments (Note 15)	16	2	141	16
Other operating costs (income), net (Note 16)	0	31	(47)	56
Operating income	274	166	685	516
Equity earnings from joint ventures (Note 7)	9	0	21	0
Interest income and other	15	9	34	27
Interest expense, net of capitalized interest	(114)	(87)	(323)	(254)
Earnings from continuing operations before income taxes	184	88	417	289
Income taxes (Note 17)	(22)	44	(64)	36
Earnings from continuing operations	162	132	353	325
Earnings from discontinued operations, net of income taxes (Note 3)	65	59	123	111
Net earnings	227	191	476	436
Dividends on preference shares (Note 5)	0	(11)	(22)	(33)
Net earnings attributable to Weyerhaeuser common shareholders	$ 227	$ 180	$ 454	$ 403
Earnings per share attributable to Weyerhaeuser common shareholders, basic (Note 5):
Continuing operations	$ 0.22	$ 0.24	$ 0.47	$ 0.56
Discontinued operations	0.08	0.11	0.17	0.22
Net earnings per share	0.30	0.35	0.64	0.78
Earnings per share attributable to Weyerhaeuser common shareholders, diluted (Note 5):
Continuing operations	0.21	0.23	0.46	0.56
Discontinued operations	0.09	0.12	0.18	0.21
Net earnings per share	0.30	0.35	0.64	0.77
Dividends paid per share	$ 0.31	$ 0.31	$ 0.93	$ 0.89
Weighted average shares outstanding (in thousands) (Note 5):
Basic	749,587	514,301	708,395	518,121
Diluted	754,044	517,088	712,205	521,455