Pension Plans and Other Post Employment Benefit Plans Additional Information (Details) - USD ($) $ in Millions	8 Months Ended	12 Months Ended
	Aug. 31, 2022	Dec. 31, 2023		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2024
Defined Benefit and Contribution Disclosures [Line Items]
Pre-tax cash requirements to cover actual net claims costs and related administrative expenses		$ 97		$ 122	$ 198
Trust Asset		$ 514		427
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		$ 101		97	63
Employers Discretionary Contribution, Vesting Period		3 years
Trust Agreement [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Trust Asset		$ 214		251
Corteva Other Contribution Plans [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Defined Contribution Plan, Employer Contribution		45		36	$ 29
Pension Plan
Defined Benefit and Contribution Disclosures [Line Items]
Defined Benefit Plan, Unfunded Status of Plan		(1,685)		(1,398)
Employer contributions		$ 52		$ 60
Expected long-term rate of return on plan assets		4.55%		4.51%	5.73%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021		$ 1,214
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan		257	[1]	$ 1,100
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement		0		(25)	$ (1)
Actuarial (gain) loss	$ 110	311		3,759
Other Post Employment Benefits Plan
Defined Benefit and Contribution Disclosures [Line Items]
Defined Benefit Plan, Unfunded Status of Plan		(925)		(1,021)
Employer contributions		97		122
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
2021		106
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		(49)		246
Other Post Employment Benefits Plan | Forecast [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Expected Future Employer Contributions, Next Fiscal Year						$ 115
Other Pension Plan [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Employer contributions		52		60	$ 49
Other Pension Plan [Member] | Forecast [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Expected Future Employer Contributions, Next Fiscal Year						$ 50
Nonqualified Plan [Member] | Trust Agreement [Member]
Defined Benefit and Contribution Disclosures [Line Items]
Trust Asset Distribution		$ 58		$ 47

[1] elates to transfers of certain benefit obligations and related assets associated with the principal U.S. pension plan to an insurance company through the purchase of nonparticipating group annuity contracts.