Summary of Significant Accounting Policies Summary of Accounting Policies (Details) $ in Millions	9 Months Ended
Sep. 30, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Foreign Exchange Impact on Income (Loss) from Continuing Operations	$ 15
Percentage deterioration of the official Peso to USD exchange rate	10.00%
Argentina Percentage annual sales and EBITDA	5.00%

Increase of deterioration in the official Peso to USD exchange rate which would cause a reduction in net monetary assets and negatively impact pre-tax earnings.

No definition available.

Name:	ctva_PercentageDeteriorationOfTheOfficialPesoToUSDExchangeRate
Namespace Prefix:	ctva_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant