Consolidated Statements of Income - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2018	Dec. 31, 2016
Successor [Member]
Net Sales	$ 7,053		$ 26,279
Cost of Goods Sold	6,240		18,182
Research and Development Expense	492		1,524
Selling, General and Administrative Expense	1,141		3,853
Amortization of Intangible Assets	389		1,281
Restructuring and Asset Related Charges - Net	180		485
Integration and Separation Costs	314		1,375
Goodwill Impairment Charge	0		4,503
Sundry income (expense) - net	224		543
Loss on Extinguishment of Debt	0		81
Interest Expense	107		331
(Loss) income from continuing operations before income taxes	(1,586)		(4,793)
Provision for (benefit from) income taxes on continuing operations	(2,673)		220
(Loss) income from continuing operations after income taxes	1,087		(5,013)
(Loss) income from discontinued operations after income taxes	(77)		(5)
Net (loss) income	1,010		(5,018)
Net income attributable to noncontrolling interests	0		11
Net (loss) income attributable to Historical DuPont	$ 1,010		$ (5,029)
Predecessor [Member]
Net Sales		$ 17,281		$ 23,209
Cost of Goods Sold		10,052		13,937
Other Operating Charges		504		667
Research and Development Expense		1,022		1,496
Selling, General and Administrative Expense		3,222		4,127
Amortization of Intangible Assets		139		319
Restructuring and Asset Related Charges - Net		323		556
Integration and Separation Costs		581		386
Goodwill Impairment Charge		0		0
Sundry income (expense) - net		(113)		667
Loss on Extinguishment of Debt		0		0
Interest Expense		254		370
(Loss) income from continuing operations before income taxes		1,791		2,723
Provision for (benefit from) income taxes on continuing operations		149		641
(Loss) income from continuing operations after income taxes		1,642		2,082
(Loss) income from discontinued operations after income taxes		119		443
Net (loss) income		1,761		2,525
Net income attributable to noncontrolling interests		20		12
Net (loss) income attributable to Historical DuPont		$ 1,741		$ 2,513
Basic earnings per share of common stock from continuing operations		$ 1.86		$ 2.36
Basic earnings per share of common stock from discontinued operations		0.13		0.51
Basic earnings per share of common stock		2.00		2.87
Diluted earnings per share of common stock from continuing operations		1.85		2.35
Diluted earnings per share of common stock from discontinued operations		0.13		0.50
Diluted earnings per share of common stock		1.99		2.85
Dividends declared per share of common stock		$ 1.14		$ 1.52