Other (Loss) Income, Net (Schedule of Other Income) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017		Jun. 30, 2016
Component of Other Income [Line Items]
Net exchange losses		$ (140)	$ (15)	$ (199)		$ (136)
Other (Loss) Income, Net		(21)	51	285		423
Pre-tax benefit on associated accrued interest reversals				50
Other Income [Member]
Component of Other Income [Line Items]
Royalty income		28	24	73		81
Interest income		33	27	58		43
Equity in earnings of affiliates, net		24	28	42		38
Net gain on sales of businesses and other assets		10	11	202	[1]	384	[2]
Net exchange losses		(140)	(15)	(199)		(136)
Miscellaneous income and expenses, net3	[3]	24	(24)	109		13
Other (Loss) Income, Net		$ (21)	$ 51	285		423
Food Safety Diagnostic Business [Member]
Component of Other Income [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal				162
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Net of tax				86
Ownership interest in DuPont (Shenzhen) Manufacturing Limited [Member]
Component of Other Income [Line Items]
Gain on sale of entity						369
Gain on sale of entity, after-tax						$ 214
Continuing Operations [Member]
Component of Other Income [Line Items]
Pre-tax benefit on associated accrued interest reversals				$ 47

[1] Includes a pre-tax gain of $162 ($86 net of tax) for the six months ended June 30, 2017 related to the sale of the global food safety diagnostic business. See Note 3 for additional information.

[2] Includes a pre-tax gain of $369 ($214 net of tax) for the six months ended June 30, 2016 related to the sale of DuPont (Shenzhen) Manufacturing Limited. See Note 3 for additional information.

[3] Miscellaneous income and expenses, net, includes interest items, gains (losses) on available for sale securities, gains related to litigation settlements, licensing income, and other items. For the six months ended June 30, 2017, the amount includes a $47 benefit associated with accrued interest reversals related to a reduction in the company's unrecognized tax benefits due to the closure of various tax statutes of limitations. See Note 6 for additional information.