Stockholders' Equity Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Oct. 28, 2022	Sep. 13, 2022	Dec. 31, 2021	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		$ 0.01
Repurchase of Common Stock			$ 800	$ 750
2019 Share Buyback Plan
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares		3,408		15,378
Stock Repurchase Program, Authorized Amount									$ 1,000
Repurchase of Common Stock		$ 150		$ 700
2021 Stock Repurchase Program
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	3,414		14,284
Stock Repurchase Program, Authorized Amount								$ 1,500
Repurchase of Common Stock	$ 200		$ 800
2022 Stock Repurchase Program
Class of Stock [Line Items]
Stock Repurchase Program, Authorized Amount						$ 2,000
Corteva [Member]
Class of Stock [Line Items]
Common Stock, Par Value	$ 0.01		$ 0.01						$ 0.01