Divestitures and Other Transactions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended	15 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jan. 30, 2017	Apr. 30, 2017	Jan. 30, 2016	Dec. 31, 2015	Jun. 23, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Chemours shares distributed to DD stockholders									1
Shares of DD stock converted									5
Common stock, par value	$ 0.30		$ 0.30					$ 0.30	$ 0.30
Separation related transaction costs	$ 13	$ 119	$ 20	$ 200
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation related transaction costs	13	114	20	183
Corporate Expenses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation related transaction costs		5		17
Interest expense [Member] | Loss on extinguishment of debt [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation related transaction costs		20
Corporate Expenses [Member] | Continuing Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation related transaction costs		$ 5		$ 17
Ownership interest in DuPont (Shenzhen) Manufacturing Limited [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of entity			369
Gain on sale of entity, after-tax			$ 214
Ownership interest in an entity			100.00%
Chemours [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Common stock, par value									$ 0.01
Prepayment to Chemours for goods and services	132		$ 132				$ 190
Accounts and Notes Receivable [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification assets	87		87
Other Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification assets	399		399
Other Accrued Liabilities [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnified liabilities	87		87
Other Liabilities [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnified liabilities	$ 399		$ 399
Maximum [Member] | Scenario, Forecast [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of goods and services related to prepayment to Chemours						15 months
Minimum [Member] | Scenario, Forecast [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Period of goods and services related to prepayment to Chemours					12 months