EID - Related Party Transactions (Details) - EID [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Long Term Debt - Related Party	$ 2,443	$ 3,712	$ 2,443	$ 3,712	$ 3,459
Corteva [Member]
Related Party Transaction [Line Items]
Debt, Weighted Average Interest Rate	1.52%	1.80%	1.52%	1.80%	1.62%
Interest Expense, Related Party	$ 11	$ 19	$ 39	$ 82
Corteva [Member] | Accrued and Other Current Liabilities [Member]
Related Party Transaction [Line Items]
CTVA Related Party Liability	61	110	61	110	$ 92
Corteva [Member] | Other noncurrent obligations
Related Party Transaction [Line Items]
CTVA Related Party Liability	$ 90	$ 84	$ 90	$ 84	$ 92