Quarterly Financial Data (Schedule of Quarterly Financial Data) (additional) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of Quarterly Financial Data [Line Items]
Merger related transaction costs	$ (164)	$ (122)	$ (76)	$ (24)	$ (10)				$ (386)	$ (10)
Separation related transaction costs									(35)	(306)	$ (175)
Net exchange (losses) gains									(106)	30	$ 196
Performance Chemicals [Member] | Other operating charges [Member]
Schedule of Quarterly Financial Data [Line Items]
Separation related transaction costs						$ (9)	$ (5)	$ (12)
Loss on extinguishment of debt [Member] | Interest expense [Member]
Schedule of Quarterly Financial Data [Line Items]
Separation related transaction costs							(20)
Agriculture [Member] | Imprelis [Member]
Schedule of Quarterly Financial Data [Line Items]
Loss contingency accrual, period decrease				23	130				23	130
Insurance recoveries, net of legal expenses			$ 30			$ 147		35	30	182
Protection Solutions [Member]
Schedule of Quarterly Financial Data [Line Items]
Gain related to litigation settlement					$ 33		$ 112			$ 145
Charge associated with remeasuring Ukrainian net monetary assets [Member]
Schedule of Quarterly Financial Data [Line Items]
Net exchange (losses) gains								$ (40)
Ownership interest in DuPont (Shenzhen) Manufacturing Limited [Member]
Schedule of Quarterly Financial Data [Line Items]
Gain on disposition of assets				$ 369					$ 369