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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.

X

- Definition

The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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- Definition

Amount of stock repurchase plan authorized.

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