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EID - Related Party Transactions (Details) - EID [Member] - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Related Party Transaction [Line Items]      
Long Term Debt - Related Party $ 3,012 $ 3,872 $ 3,459
Corteva [Member]      
Related Party Transaction [Line Items]      
Debt, Weighted Average Interest Rate 1.62% 3.27% 1.62%
Interest Expense, Related Party $ 15 $ 32  
Corteva [Member] | Accrued and Other Current Liabilities [Member]      
Related Party Transaction [Line Items]      
CTVA Related Party Liability 55 166 $ 92
Corteva [Member] | Other noncurrent obligations      
Related Party Transaction [Line Items]      
CTVA Related Party Liability $ 91 $ 82 $ 92