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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.

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- Definition Amount of increase (decrease) in accumulated benefit obligation from change in existing term of defined benefit plan or initiation of new defined benefit plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (r) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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