Stockholders' Equity Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Sep. 13, 2022	Aug. 05, 2021	Jun. 26, 2019
Class of Stock [Line Items]
Common Stock, Par Value	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Repurchase of Common Stock			$ 585	$ 800
2021 Stock Repurchase Program
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares		3,414	4,098	14,284
Stock Repurchase Program, Authorized Amount							$ 1,500
Repurchase of Common Stock		$ 200	$ 250	$ 800
2022 Stock Repurchase Program
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	4,913		6,330
Stock Repurchase Program, Authorized Amount						$ 2,000
Repurchase of Common Stock	$ 250		$ 330
Corteva [Member]
Class of Stock [Line Items]
Common Stock, Par Value	$ 0.01		$ 0.01					$ 0.01