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Related Parties Transactions with DowDuPont (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 26, 2019 | Nov. 02, 2017
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 1,000 | $ 4,000
Distributions to DowDuPont | $ 0 | $ (317) | [1] | $ (2,806) | [1] |  |
DowDuPont [Member] |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Distributions to DowDuPont |  | $ 317 |  | $ 2,806 |  |  |
[1] | The cash flows for the years ended December 31, 2018 and 2019 includes cash flows of EID's ECP and Specialty Products Entities.

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