Earnings Per Share of Common Stock (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share of Common Stock Reconciliation Table

	Three Months Ended
	March 31,
	2013			2012
Numerator:
Income from continuing operations after income taxes attributable to DuPont	$	1,380		$	1,397
Preferred dividends	(3		)	(3		)
Income from continuing operations after income taxes available to DuPont common stockholders	$	1,377		$	1,394
Income from discontinued operations after income taxes	$	1,968		$	95
Net income available to common stockholders	$	3,345		$	1,489
Denominator:
Weighted-average number of common shares outstanding - Basic	928,348,000			933,910,000
Dilutive effect of the company’s employee compensation plans	7,042,000			10,328,000
Weighted-average number of common shares outstanding - Diluted	935,390,000			944,238,000

Average Number of Antidilutive Stock Options

	Three Months Ended
	March 31,
	2013	2012
Average number of stock options	10,384,000	10,724,000