Consolidated Income Statements (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 34,812	$ 33,681	$ 27,700
Other income, net	498	742	1,199
Total	35,310	34,423	28,899
Cost of goods sold and other operating charges	25,604	24,874	20,574
Selling, general and administrative expenses	3,567	3,358	2,912
Research and development expense	2,067	1,910	1,603
Interest expense	464	447	590
Employee separation / asset related charges, net	493	53	(40)
Total	32,195	30,642	25,639
Income from continuing operations before income taxes	3,115	3,781	3,260
Provision for income taxes on continuing operations	622	626	515
Income from continuing operations after income taxes	2,493	3,155	2,745
Income from discontinued operations after income taxes	320	355	307
Net income	2,813	3,510	3,052
Less: Net income attributable to noncontrolling interests	25	36	21
Net income attributable to DuPont	$ 2,788	$ 3,474	$ 3,031
Basic earnings per share of common stock from continuing operations	$ 2.63	$ 3.35	$ 2.99
Basic earnings per share of common stock from discontinued operations	$ 0.34	$ 0.38	$ 0.34
Basic earnings per share of common stock	$ 2.98	$ 3.73	$ 3.32
Diluted earnings per share of common stock from continuing operations	$ 2.61	$ 3.30	$ 2.94
Diluted earnings per share of common stock from discontinued operations	$ 0.34	$ 0.38	$ 0.33
Diluted earnings per share of common stock	$ 2.95	$ 3.68	$ 3.28
Dividends per share of common stock	$ 1.70	$ 1.64	$ 1.64