Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net Income	$ 520	$ 721
Other Comprehensive Income (Loss), Net of Tax
Net change in unrealized gains on investments	57	14
Translation adjustments	282	441
Adjustments to pension and other postretirement benefit plans	85	72
Net losses on cash flow hedging derivative instruments	(14)	(9)
Other comprehensive income	410	518
Comprehensive Income	930	1,239
Comprehensive income attributable to noncontrolling interests, net of tax	23	11
Comprehensive Income Attributable to The Dow Chemical Company	$ 907	$ 1,228