Divestitures and Other Transactions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended	15 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 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	$ 10	$ 68	$ 30	$ 289
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	10	59	30	243
Corporate Expenses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation related transaction costs		9		26
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		9		26
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	94		$ 94				$ 190
Accounts and Notes Receivable [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification assets	82		82
Other Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification assets	391		391
Other Accrued Liabilities [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnified liabilities	82		82
Other Liabilities [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnified liabilities	391		391
Other Long-Term Employee Benefit Plans [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Curtailment gain	0	274	33	274
Pension Plans [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Curtailment gain	$ 1	$ 7	$ (65)	7
Chemours Restructuring Program [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring charges				$ 59
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
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