Stockholders' Equity Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jul. 29, 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			$ 600	$ 550
2019 Share Buyback Plan
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares		4,324		11,970
Stock Repurchase Program, Authorized Amount								$ 1,000
Repurchase of Common Stock		$ 200		$ 550
2021 Stock Repurchase Program
Class of Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	6,285		10,870
Stock Repurchase Program, Authorized Amount							$ 1,500
Repurchase of Common Stock	$ 365		$ 600
Corteva [Member]
Class of Stock [Line Items]
Common Stock, Par Value	$ 0.01		$ 0.01					$ 0.01