Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net Sales	$ 2,371	$ 1,863	$ 12,176	$ 11,010
Cost of Goods Sold	1,558	1,297	6,988	6,395
Research and Development Expense	297	284	871	837
Selling, General and Administrative Expenses	672	597	2,403	2,319
Amortization of Intangibles	180	162	543	501
Restructuring and Asset related charges, net	26	49	261	298
Other income - net	378	30	1,013	120
Interest Expense	8	11	22	35
Income from continuing operations before income taxes	8	(507)	2,101	745
(Benefit from) provision for income taxes on continuing operations	(28)	(117)	434	88
Income from continuing operations after income taxes	36	(390)	1,667	657
Income (loss) from discontinued operations after income taxes	(4)	0	(59)	1
Net income	32	(390)	1,608	658
Net income attributable to noncontrolling interests	2	2	8	18
Net income attributable to Corteva	$ 30	$ (392)	$ 1,600	$ 640
Basic earnings (loss) per share of common stock from continuing operations	$ 0.05	$ (0.52)	$ 2.25	$ 0.85
Basic loss per share of common stock from discontinued operations	(0.01)	0	(0.08)	0
Basic earnings (loss) per share of common stock	0.04	(0.52)	2.17	0.85
Diluted earnings (loss) per share of common stock from continuing operations	0.05	(0.52)	2.23	0.85
Diluted loss per share of common stock from discontinued operations	(0.01)	0	(0.08)	0
Diluted earnings (loss) per share of common stock	$ 0.04	$ (0.52)	$ 2.15	$ 0.85
EID [Member]
Net Sales	$ 2,371	$ 1,863	$ 12,176	$ 11,010
Cost of Goods Sold	1,558	1,297	6,988	6,395
Research and Development Expense	297	284	871	837
Selling, General and Administrative Expenses	672	597	2,403	2,319
Amortization of Intangibles	180	162	543	501
Restructuring and Asset related charges, net	26	49	261	298
Other income - net	378	30	1,013	120
Interest Expense	19	30	61	117
Income from continuing operations before income taxes	(3)	(526)	2,062	663
(Benefit from) provision for income taxes on continuing operations	(30)	(122)	425	68
Income from Continuing Operations After Taxes	27	(404)	1,637	595
Income (loss) from discontinued operations after income taxes	(4)	0	(59)	1
Net income	23	(404)	1,578	596
Net income attributable to noncontrolling interests	(1)	0	0	11
Net income attributable to Corteva	$ 24	$ (404)	$ 1,578	$ 585