Earnings Per Share of Common Stock (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share of Common Stock Reconciliation Table

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2012			2011			2012			2011
Numerator:
Net income attributable to DuPont	$	1,179		$	1,218		$	2,667		$	2,649
Preferred dividends	(2		)	(2		)	(5		)	(5		)
Net income available to common stockholders	$	1,177		$	1,216		$	2,662		$	2,644
Denominator:
Weighted-average number of common shares outstanding - Basic	934,057,000			930,798,000			933,982,000			927,860,000
Dilutive effect of the company’s employee compensation plans	8,775,000			13,189,000			9,551,000			14,601,000
Weighted-average number of common shares outstanding - Diluted	942,832,000			943,987,000			943,533,000			942,461,000

Average Number of Antidilutive Stock Options

	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2012	2011	2012	2011
Average number of stock options	12,750,000	—	11,737,000	—