Earnings Per Share of Common Stock (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share of Common Stock Reconciliation

	2015			2014			2013
Numerator:
Income from continuing operations after income taxes attributable to DuPont	$	1,889		$	3,135		$	2,193
Preferred dividends	(10		)	(10		)	(10		)
Income from continuing operations after income taxes available to DuPont common stockholders	$	1,879		$	3,125		$	2,183
Income from discontinued operations after income taxes	$	64		$	490		$	2,655
Net income available to common stockholders	$	1,943		$	3,615		$	4,838
Denominator:
Weighted-average number of common shares outstanding – Basic	893,992,000			914,752,000			925,984,000
Dilutive effect of the company's equity compensation plans	5,535,000			7,121,000			7,163,000
Weighted-average number of common shares outstanding – Diluted	899,527,000			921,873,000			933,147,000

Average Number of Anitdilutive Stock Options

	2015	2014	2013
Average number of stock options	4,715,000	3,000	2,596,000