Consolidated Statements of Income - USD ($) $ in Millions	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Successor [Member]
Net Sales	$ 7,053
Cost of Goods Sold	6,165
Research and Development Expense	473
Selling, General and Administrative Expense	1,101
Amortization of Intangible Assets	389
Restructuring and Asset Related Charges - Net	180
Integration and Separation Costs	314
Sundry income - net	90
Interest Expense	107
(Loss) Income from continuing operations before income taxes	(1,586)
(Benefit from) provision for income taxes on continuing operations	(2,673)
Income from continuing operations after income taxes	1,087
(Loss) Income from discontinued operations after income taxes	(77)
Net income	1,010
Net income attributable to noncontrolling interests	0
Net income attributable to DuPont	$ 1,010
Predecessor [Member]
Net Sales		$ 17,281	$ 23,209	$ 23,657
Cost of Goods Sold		10,205	13,955	14,591
Other Operating Charges		504	667	434
Research and Development Expense		1,064	1,502	1,735
Selling, General and Administrative Expense		3,306	4,143	4,428
Amortization of Intangible Assets		139	319	362
Restructuring and Asset Related Charges - Net		323	556	795
Integration and Separation Costs		581	386	10
Sundry income - net		166	707	690
Interest Expense		254	370	342
(Loss) Income from continuing operations before income taxes		1,791	2,723	2,022
(Benefit from) provision for income taxes on continuing operations		149	641	575
Income from continuing operations after income taxes		1,642	2,082	1,447
(Loss) Income from discontinued operations after income taxes		119	443	512
Net income		1,761	2,525	1,959
Net income attributable to noncontrolling interests		20	12	6
Net income attributable to DuPont		$ 1,741	$ 2,513	$ 1,953
Basic earnings per share of common stock from continuing operations		$ 1.86	$ 2.36	$ 1.60
Basic earnings per share of common stock from discontinued operations		0.13	0.51	0.57
Basic earnings per share of common stock		2.00	2.87	2.17
Diluted earnings per share of common stock from continuing operations		1.85	2.35	1.59
Diluted earnings per share of common stock from discontinued operations		0.13	0.50	0.57
Diluted earnings per share of common stock		1.99	2.85	2.16
Dividends declared per share of common stock		$ 1.14	$ 1.52	$ 1.72