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Divestitures and Other Transactions Divestitures and Other Transactions - Narrative (Details) - Successor [Member] - USD ($) $ in Millions | Nov. 01, 2017 | Dec. 31, 2017
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Favorable Supply Agreement Intangible |  |  | $ 16,334
H&N Business [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Preliminary Fair Value |  | $ 1,970 |
Favorable Supply Contract [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Favorable Supply Agreement Intangible | [1] |  | $ 495
Favorable Supply Contract [Member] | Divested Ag Business [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Definite-Lived Intangible Asset, Useful Life |  | 5 years |
Discontinued Operations, Disposed of by Sale [Member] | Divested Ag Business [Member] |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash Consideration |  | $ 1,200 |
[1] | Upon closing and pursuant to the terms of the FMC Transaction Agreement, DuPont entered into favorable supply contracts with FMC. DuPont recorded these contracts as intangible assets recognized at the fair value of off-market contracts. Refer to Notes 3 and 4 for additional information.

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