Consolidated Statements of Operations - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
	Sep. 30, 2017	Aug. 31, 2017	Sep. 30, 2018	Aug. 31, 2017	Sep. 30, 2018
Goodwill Impairment Charge			$ 4,503		$ 4,503
Successor [Member]
Net Sales	$ 1,735		5,294		20,538
Cost of Goods Sold	1,531		3,686		14,202
Research and Development Expense	120		367		1,145
Selling, General and Administrative Expenses	276		823		2,964
Amortization of Intangible Assets	89		307		955
Restructuring and Asset Related Charges - Net	40		182		370
Integration and Separation Costs	71		344		926
Goodwill Impairment Charge	0		4,503		4,503
Sundry income (expense) - net	121		52		293
Interest Expense	27		82		248
(Loss) income from continuing operations before income taxes	(298)		(4,948)		(4,482)
Provision for (benefit from) income taxes on continuing operations	(23)		12		180
(Loss) income from continuing operations after income taxes	(275)		(4,960)		(4,662)
(Loss) income from discontinued operations after income taxes	(20)		0		(5)
Net (loss) income	(295)		(4,960)		(4,667)
Net (loss) income attributable to noncontrolling interests	(2)		0		8
Net (loss) income attributable to DuPont	$ (293)		$ (4,960)		$ (4,675)
Predecessor [Member]
Net Sales		$ 2,991		$ 17,281
Cost of Goods Sold		1,937		10,052
Other Operating Charges		136		504
Research and Development Expense		267		1,022
Selling, General and Administrative Expenses		776		3,222
Amortization of Intangible Assets		31		139
Restructuring and Asset Related Charges - Net		11		323
Integration and Separation Costs		210		581
Goodwill Impairment Charge		0		0
Sundry income (expense) - net		(183)		(113)
Interest Expense		71		254
(Loss) income from continuing operations before income taxes		(390)		1,791
Provision for (benefit from) income taxes on continuing operations		(132)		149
(Loss) income from continuing operations after income taxes		(258)		1,642
(Loss) income from discontinued operations after income taxes		29		119
Net (loss) income		(229)		1,761
Net (loss) income attributable to noncontrolling interests		5		20
Net (loss) income attributable to DuPont		$ (234)		$ 1,741
Basic (loss) earnings per share of common stock from continuing operations		$ (0.30)		$ 1.86
Basic earnings per share of common stock from discontinued operations		0.03		0.13
Basic (loss) earnings per share of common stock		(0.27)		2.00
Diluted (loss) earnings per share of common stock from continuing operations		(0.30)		1.85
Diluted earnings per share of common stock from discontinued operations		0.03		0.13
Diluted (loss) earnings per share of common stock		(0.27)		1.99
Dividends declared per share of common stock		$ 0.38		$ 1.14