Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Sales	$ 14,577	$ 14,513	$ 28,960	$ 29,232
Cost of sales	12,103	12,200	23,810	24,485
Research and development expenses	417	406	852	811
Selling, general and administrative expenses	716	674	1,488	1,381
Amortization of intangibles	115	122	230	244
Restructuring charges	0	0	0	357
Equity in earnings of nonconsolidated affiliates	228	148	458	317
Sundry income (expense) - net	2,053	27	2,021	44
Interest income	10	10	18	16
Interest expense and amortization of debt discount	279	312	575	641
Income Before Income Taxes	3,238	984	4,502	1,690
Provision for income taxes	795	244	1,399	430
Net Income	2,443	740	3,103	1,260
Net income attributable to noncontrolling interests	18	6	43	29
Net Income Attributable to The Dow Chemical Company	2,425	734	3,060	1,231
Preferred stock dividends	85	85	170	170
Net Income Available for The Dow Chemical Company Common Stockholders	2,340	649	2,890	1,061
Per Common Share Data:
Earnings per common share - basic	$ 1.96	$ 0.55	$ 2.42	$ 0.90
Earnings per common share - diluted	$ 1.87	$ 0.55	$ 2.36	$ 0.90
Common stock dividends declared per share of common stock	$ 0.32	$ 0.32	$ 0.64	$ 0.57
Weighted-average common shares outstanding - basic	1,186.1	1,169.7	1,183.6	1,165.3
Weighted-average common shares outstanding - diluted	1,288.2	1,176.6	1,286.3	1,172.7
Depreciation	504	506	1,009	1,016
Capital Expenditures	$ 506	$ 581	$ 852	$ 983