CONSOLIDATED STATEMENT OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net sales	$ 1,808	$ 1,655	$ 3,501	$ 3,060
Costs of products sold	1,336	1,271	2,608	2,374
Gross margin	472	384	893	686
Selling expenses	22	22	44	45
General and administrative expenses	76	94	163	173
Research and development expenses	4	4	8	9
Charges for integration and restructuring, closures and asset impairments (Note 15)	151	14	164	125
Other operating costs (income), net (Note 16)	62	2	64	(53)
Operating income	157	248	450	387
Equity earnings from joint ventures (Note 7)	0	7		12
Non-operating pension and other postretirement benefit (costs) credits	(8)	10	(30)	24
Interest income and other	9	10	18	19
Interest expense, net of capitalized interest	(100)	(114)	(199)	(209)
Earnings from continuing operations before income taxes	58	161	239	233
Income taxes (Note 17)	(34)	(31)	(58)	(42)
Earnings from continuing operations	24	130	181	191
Earnings from discontinued operations, net of income taxes (Note 3)	0	38	0	58
Net earnings	24	168	181	249
Dividends on preference shares (Note 5)	0	(11)	0	(22)
Net earnings attributable to Weyerhaeuser common shareholders	$ 24	$ 157	$ 181	$ 227
Earnings per share attributable to Weyerhaeuser common shareholders, basic and diluted (Note 5):
Continuing operations	$ 0.03	$ 0.16	$ 0.24	$ 0.25
Discontinued operations	0.00	0.05	0.00	0.08
Net earnings per share	0.03	0.21	0.24	0.33
Dividends paid per share	$ 0.31	$ 0.31	$ 0.62	$ 0.62
Weighted average shares outstanding (in thousands) (Note 5):
Basic	752,630	743,140	751,674	687,572
Diluted	756,451	747,701	755,625	691,060