Consolidated Income Statements (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 10,408	$ 10,180
Other income, net	92	14
Total	10,500	10,194
Cost of goods sold and other operating charges	7,105	6,816
Selling, general and administrative expenses	983	955
Research and development expense	521	508
Interest expense	117	114
Total	8,726	8,393
Income from continuing operations before income taxes	1,774	1,801
Provision for income taxes on continuing operations	387	392
Income from continuing operations after income taxes	1,387	1,409
Income from discontinued operations after income taxes	1,968	95
Net income	3,355	1,504
Less: Net income attributable to noncontrolling interests	7	12
Net income attributable to DuPont	$ 3,348	$ 1,492
Basic earnings per share of common stock from continuing operations	$ 1.48	$ 1.49
Basic earnings per share of common stock from discontinued operations	$ 2.12	$ 0.10
Basic earnings per share of common stock	$ 3.60	$ 1.60
Diluted earnings per share of common stock from continuing operations	$ 1.47	$ 1.48
Diluted earnings per share of common stock from discontinued operations	$ 2.10	$ 0.10
Diluted earnings per share of common stock	$ 3.58	$ 1.58
Dividends per share of common stock	$ 0.43	$ 0.41