Earnings Per Share of Common Stock (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share of Common Stock Reconciliation

	Predecessor
(In millions, except share amounts)	Three Months Ended June 30, 2017			Six Months Ended June 30, 2017
Numerator:
Income from continuing operations after income taxes attributable to DuPont	$	717		$	1,888
Preferred dividends	(3		)	(5		)
Income from continuing operations after income taxes available to DuPont common stockholders	714			1,883
Income from discontinued operations after income taxes available to DuPont common stockholders	145			87
Net income available to common stockholders	$	859		$	1,970
Denominator:
Weighted-average number of common shares outstanding - Basic	868,481,000			867,496,000
Dilutive effect of the company’s employee compensation plans	4,269,000			4,424,000
Weighted-average number of common shares outstanding - Diluted	872,750,000			871,920,000

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Predecessor
	Three Months Ended June 30, 2017	Six Months Ended June 30, 2017
Average number of stock options	—	3,000