Earnings Per Share of Common Stock (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Earnings Per Share of Common Stock Reconciliation

	2012			2011			2010
Numerator:
Income from continuing operations after income taxes attributable to DuPont	$	2,468		$	3,119		$	2,724
Preferred dividends	(10		)	(10		)	(10		)
Income from continuing operations after income taxes available to DuPont common stockholders	$	2,458		$	3,109		$	2,714
Income from discontinued operations after income taxes	$	320		$	355		$	307
Net income available to common stockholders	$	2,778		$	3,464		$	3,021
Denominator:
Weighted-average number of common shares outstanding – Basic	933,275,000			928,417,000			908,860,000
Dilutive effect of the company's employee compensation plans	8,922,000			12,612,000			12,795,000
Weighted average number of common shares outstanding – Diluted	942,197,000			941,029,000			921,655,000

Average Number of Anitdilutive Stock Options

	2012	2011	2010
Average number of stock options	12,158,000	4,361,000	45,508,000