CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Millions	Total	Common shares	Other capital	Retained earnings	Cumulative other comprehensive loss	Total Weyerhaeuser shareholders' interest	Noncontrolling interests
Balance at beginning of year at Dec. 31, 2009		$ 264	$ 1,786	$ 2,658	$ (664)		$ 10
Exercise of stock options		1	2
Share repurchases		0	0
Special Dividend (Note 16)		405	2,745
Share-based compensation			21
Other transactions, net			(2)
Net earnings attributable to Weyerhaeuser common shareholders	1,281			1,281
Dividends on common shares (Note 16)				(3,758)
Foreign currency translation adjustments	30				30
Changes in unamortized net pension and other postretirement benefit loss (Note 8)	(166)				(166)
Changes in unamortized prior service credit (cost) (Note 8)	9				9
Unrealized gains on available-for-sale securities	0				0
Net earnings (loss) attributable to noncontrolling interests	2						2
Contributions							0
New consolidations, de-consolidations and other transactions							(10)
Balance at Dec. 31, 2010	4,614	670	4,552	181	(791)	4,612	2
Exercise of stock options		4	35
Share repurchases		(3)	(34)
Special Dividend (Note 16)		0	0
Share-based compensation			27
Other transactions, net			15
Net earnings attributable to Weyerhaeuser common shareholders	331			331
Dividends on common shares (Note 16)				(336)
Foreign currency translation adjustments	(8)				(8)
Changes in unamortized net pension and other postretirement benefit loss (Note 8)	(463)				(463)
Changes in unamortized prior service credit (cost) (Note 8)	82				82
Unrealized gains on available-for-sale securities	1				1
Net earnings (loss) attributable to noncontrolling interests	0						0
Contributions							2
New consolidations, de-consolidations and other transactions							0
Balance at Dec. 31, 2011	4,267	671	4,595	176	(1,179)	4,263	4
Exercise of stock options		7	105
Share repurchases		0	0
Special Dividend (Note 16)		0	0
Share-based compensation			34
Other transactions, net			(3)
Net earnings attributable to Weyerhaeuser common shareholders	385			385
Dividends on common shares (Note 16)				(342)
Foreign currency translation adjustments	2				2
Changes in unamortized net pension and other postretirement benefit loss (Note 8)	(258)				(258)
Changes in unamortized prior service credit (cost) (Note 8)	(123)				(123)
Unrealized gains on available-for-sale securities	0				0
Net earnings (loss) attributable to noncontrolling interests	(1)						(1)
Contributions							0
New consolidations, de-consolidations and other transactions							40
Balance at Dec. 31, 2012	$ 4,113	$ 678	$ 4,731	$ 219	$ (1,558)	$ 4,070	$ 43