Earnings Per Share Net Income for Earnings Per Share Calculations - Basic and Diluted (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Income (Loss) from Continuing Operations After Taxes	$ 1,216	$ 1,822	$ 756
Net Income attributable to continuing operations - Noncontrolling Interest	11	10	20
Income (loss) from continuing operations attributable to Corteva common stockholders	1,205	1,812	736
(Loss) income from discontinued operations attributable to Corteva common stockholders	(58)	(53)	(55)
Net (Loss) Income attributable to common stockholders	$ 1,147	$ 1,759	$ 681