CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Comprehensive income:
Net earnings	$ 506	$ 1,826	$ 563
Other comprehensive income (loss):
Foreign currency translation adjustments	(97)	(50)	(59)
Changes in unamortized net pension and other postretirement benefit gain (loss), net of tax expense (benefit) of $131 in 2015, ($323) in 2014, and $480 in 2013	282	(554)	902
Changes in unamortized prior service credit (cost), net of tax expense (benefit) of ($1) in 2015, ($64) in 2014 and $23 in 2013	(4)	(103)	27
Unrealized gains on available-for-sale securities	0	0	2
Total comprehensive income attributable to Weyerhaeuser shareholders	$ 687	$ 1,119	$ 1,435