Earnings Per Share of Common Stock

6 Months Ended

Jun. 30, 2017

Set forth below is a reconciliation of the numerator and denominator for basic and diluted earnings per share calculations for the periods indicated:



	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Numerator:
Income from continuing operations after income taxes attributable to DuPont	$	852		$	1,023		$	2,182		$	2,246
Preferred dividends	(3		)	(3		)	(5		)	(5		)
Income from continuing operations after income taxes available to DuPont common stockholders	$	849		$	1,020		$	2,177		$	2,241

Income (loss) from discontinued operations after income taxes available to DuPont common stockholders	$	10		$	(3	)	$	(207	)	$	—

Net income available to common stockholders	$	859		$	1,017		$	1,970		$	2,241

Denominator:
Weighted-average number of common shares outstanding - Basic	868,481,000			875,013,000			867,496,000			874,269,000
Dilutive effect of the company’s employee compensation plans	4,269,000			4,166,000			4,424,000			3,945,000
Weighted-average number of common shares outstanding - Diluted	872,750,000			879,179,000			871,920,000			878,214,000

The following average number of stock options were antidilutive, and therefore not included in the dilutive earnings per share calculations:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2017	2016	2017	2016
Average number of stock options	—	4,994,000	3,000	5,049,000

The change in the average number of stock options that were antidilutive in the three and six months ended June 30, 2017, compared to the same period last year was due to changes in the company's average stock price.