Business Combinations Summary of H&N Business Consideration (Details) - Successor [Member] $ in Millions	Nov. 01, 2017 USD ($)
H&N Business [Member]
Business Acquisition [Line Items]
Favorable Contracts	$ 495	[1]
Fair Value of H&N Business	1,970
Divested Ag Business [Member] | Discontinued Operations, Disposed of by Sale [Member]
Business Acquisition [Line Items]
Fair Value of Divested Ag Business	3,665	[2]
Cash Received	$ 1,200	[3]

[1] Upon closing and pursuant to the terms of the FMC Transaction Agreement, Historical DuPont entered into favorable supply contracts with FMC. Historical DuPont recorded these contracts as intangible assets recognized at the fair value of off-market contracts. Refer to Notes 4 and 14 for additional information.

[2] Refer to Note 4 for additional information.

[3] The FMC Transactions include a cash consideration payment to Historical DuPont of approximately $1,200 million, which reflected the difference in value between the Divested Ag Business and the H&N Business, subject to certain customary inventory and net working capital adjustments.