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EID - Basis of Presentation Narrative (Details) - $ / shares	6 Months Ended
	Jun. 30, 2021	Aug. 05, 2021	Jul. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
EID [Member]
Common Stock, Shares, Outstanding	200			200	200
Common Stock, Par Value	$ 0.30		$ 0.30	$ 0.30	$ 0.30
Common Stock, Shares, Outstanding	734,421,000			743,458,000	748,485,000
Common Stock, Par Value	$ 0.01		$ 0.01	$ 0.01	$ 0.01
Corteva [Member] | EID [Member]
Ownership interest in an entity	100.00%
Corteva [Member]
Common Stock, Par Value	$ 0.01	$ 0.01

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- Definition

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+ References

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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