Pension Plans and Other Post Employment Benefit Plans Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2020	Dec. 31, 2025
Defined Benefit and Contribution Disclosures [Line Items]
Pre-tax cash requirements to cover actual net claims costs and related administrative expenses	$ 101	$ 97	$ 122
Trust Asset	$ 316	514
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	$ 100	101	97
Employers Discretionary Contribution, Vesting Period	3 years
Trust Agreement [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Trust Asset Distribution	$ 48	47
Trust Asset	176	214
Corteva Other Contribution Plans [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Defined Contribution Plan, Employer Contribution	46	45	36
Pension Plan
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	(2)	0	(25)
Actuarial (gain) loss	580	(311)
Employer contributions	50	52
Other Post Employment Benefits Plan
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Defined Benefit Plan, Accumulated Benefit Obligation, Increase (Decrease) for Plan Amendment				$ 939
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement	0	0	0
Actuarial (gain) loss	51	49
Employer contributions	101	97
Other Post Employment Benefits Plan | Forecast [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Expected Future Employer Contributions, Next Fiscal Year					$ 105
Other Pension Plan [Member]
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Employer contributions	$ 50	$ 52	$ 60
Other Pension Plan [Member] | Forecast [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Expected Future Employer Contributions, Next Fiscal Year					$ 40