Pension Plans and Other Post Employment Benefit Plans Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	5 Months Ended	12 Months Ended
	Nov. 30, 2017	Jun. 01, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2022
Defined Benefit and Contribution Disclosures [Line Items]
Pre-tax cash requirements to cover actual net claims costs and related administrative expenses			$ 198	$ 207	$ 202
U.S. Retirement Savings Plan [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Employer Matching Contribution, Percent of Match			100.00%
Employer Matching Contribution, Percent of Employees' Gross Pay			6.00%
Employer Discretionary Contribution Percent			3.00%
Defined Contribution Plan, Employer Contribution			$ 63	94	142
Employers Discretionary Contribution, Vesting Period			3 years
Corteva Other Contribution Plans [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Defined Contribution Plan, Employer Contribution			$ 29	33	$ 46
Pension Plan
Defined Benefit and Contribution Disclosures [Line Items]
Defined Benefit Plan, Unfunded Status of Plan			(1,948)	(3,847)
Employer contributions			$ 49	$ 62
Expected long-term rate of return on plan assets			5.73%	6.25%	6.24%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021			$ 1,409
Other Post Employment Benefits Plan
Defined Benefit and Contribution Disclosures [Line Items]
Defined Benefit Plan, Unfunded Status of Plan			(1,362)	$ (1,571)
Employer contributions			198	207
Expected Future Employer Contributions, Next Fiscal Year						$ 140
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021			134
Defined Benefit Plan, Accumulated Benefit Obligation, Increase (Decrease) for Plan Amendment			(939)
Other Pension Plan [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Employer contributions			49	62	$ 121
Expected Future Employer Contributions, Next Fiscal Year						$ 60
Nonqualified Plan [Member] | Trust Agreement [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Contributions to Trust	$ 571
Trust Asset Distribution		$ 39	43	65
Trust Asset			$ 304	$ 347
Discontinued Operations [Member] | Corteva Other Contribution Plans [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Defined Contribution Plan, Employer Contribution					$ 73