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Pension Plans and Other Post Employment Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2024
Retirement Benefits [Abstract]  
Defined Benefit Plan, Assumptions [Table Text Block]
The weighted-average assumptions used to determine pension plan obligations for all pension plans are summarized in the table below:
Weighted-Average Assumptions used to Determine Benefit ObligationsDecember 31, 2024December 31, 2023
Discount rate
5.59 %4.97 %
Rate of increase in future compensation levels1
2.87 %2.87 %
1.The rate of compensation increase excludes U.S. pension plans since the employees who participate in the U.S. pension plans no longer accrue additional benefits for future service and eligible compensation.

The weighted-average assumptions used to determine net periodic benefit costs for all pension plans are summarized in the table below:
Weighted-Average Assumptions used to Determine Net Periodic Benefit CostFor the Year Ended December 31,
202420232022
Discount rate
4.97 %5.17 %3.33 %
Rate of increase in future compensation levels1
2.87 %2.83 %2.55 %
Expected long-term rate of return on plan assets
4.57 %4.55 %4.51 %
1.The rate of compensation increase excludes U.S. pension plans since the employees who participate in the U.S. pension plans no longer accrue additional benefits for future service and eligible compensation.
The weighted-average assumptions used to determine benefit obligations for OPEB plans are summarized in the table below:
Weighted-Average Assumptions used to Determine Benefit ObligationsDecember 31, 2024December 31, 2023
Discount rate
5.50 %4.92 %
The weighted-average assumptions used to determine net periodic benefit costs for the OPEB plans are summarized in the table below:
Weighted-Average Assumptions used to Determine Net Periodic Benefit CostFor the Year Ended December 31,
202420232022
Discount rate4.92 %5.09 %2.59 %
As of December 31, 2024, 2023 and 2022, health care cost trend rates do not impact the benefit obligations for the OPEB plans because of the 2020 OPEB Plan Amendments.
Schedule of Pension Plans and Other Postemployment Benefits [Table Text Block]
Summarized information on the company's pension and other post-employment benefit plans is as follows:
Change in Projected Benefit Obligations, Plan Assets and Funded Status
Defined Benefit Pension PlansOther Post-Employment Benefits
(In millions)For the Year Ended December 31,For the Year Ended December 31,
2024202320242023
Change in benefit obligations:
Benefit obligation at beginning of the period$13,440 $13,982 $925 $1,021 
Service cost16 18 — 1 
Interest cost648 690 42 49 
Plan participants' contributions2 1 18 20 
Actuarial (gain) loss(580)311 (51)(49)
Benefits paid(1,241)(1,304)(120)(117)
Plan amendments— — (1)— 
Other1
— (257)— — 
Effect of foreign exchange rates(63)(1)(1)— 
Benefit obligations at end of the period$12,222 $13,440 $812 $925 
Change in plan assets:
Fair value of plan assets at beginning of the period$11,755 $12,584 $— $— 
Actual return on plan assets116 661 — — 
Employer contributions50 52 101 97 
Plan participants' contributions2 1 18 20 
Benefits paid(1,241)(1,304)(120)(117)
Other1
— (257)— — 
Effect of foreign exchange rates(52)18 1 — 
Fair value of plan assets at end of the period$10,630 $11,755 $— $— 
Funded status    
U.S. plan with plan assets$(1,268)$(1,336)$— $— 
Non-U.S. plans with plan assets(41)(43)— — 
All other plans 2,3
(283)(306)(812)(925)
Funded status at end of the period$(1,592)$(1,685)$(812)$(925)
1.Primarily relates 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.
2.As of December 31, 2024 and 2023, $131 million and $155 million, respectively, of the benefit obligations are supported by funding under the Trust agreement, defined in the "Trust Assets" section below.
3.Includes pension plans maintained around the world where funding is not customary.

Defined Benefit Pension PlansOther Post-Employment Benefits
December 31,December 31,
(In millions)2024202320242023
Amounts recognized in the Consolidated Balance Sheets:
Other assets$2 $2 $— $— 
Accrued and other current liabilities(32)(31)(103)(114)
Pension and other post-employment benefits(1,562)(1,656)(709)(811)
Net amount recognized$(1,592)$(1,685)$(812)$(925)
Pretax amounts recognized in accumulated other comprehensive income (loss):
Net gain (loss)$(320)$(487)$276 $238 
Prior service benefit (cost)17 22 14 14 
Pretax balance in accumulated other comprehensive income (loss) at end of year$(303)$(465)$290$252 
Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block]
Pension Plans with Projected Benefit Obligations in Excess of Plan AssetsDecember 31, 2024December 31, 2023
(In millions)
Projected benefit obligations$12,094 $13,262 
Fair value of plan assets$10,500 $11,575 
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]
Pension Plans with Accumulated Benefit Obligations in Excess of Plan AssetsDecember 31, 2024December 31, 2023
(In millions)
Accumulated benefit obligations$11,995 $13,155 
Fair value of plan assets$10,414 $11,488 
Schedule of Net Benefit Costs [Table Text Block]
(In millions)Defined Benefit Pension PlansOther Post-Employment Benefits
For the Year Ended December 31,For the Year Ended December 31,
Components of net periodic benefit (credit) cost and amounts recognized in other comprehensive income (loss)202420232022202420232022
Net Periodic Benefit (Credit) Cost:
Service cost$16 $18 $20 $— $1 $1 
Interest cost648 690 505 42 49 26 
Expected return on plan assets(531)(605)(720)— — — 
Amortization of unrecognized loss (gain)1 — 3 (13)(10)2 
Amortization of prior service (benefit) cost(4)(3)(3)(1)(2)(1)
Curtailment (gain) loss— — — — — — 
Settlement loss2 — 25 — — — 
Net periodic benefit (credit) cost - Total$132 $100 $(170)$28 $38 $28 
Changes in plan assets and benefit obligations recognized in other comprehensive income (loss):
Net gain (loss)$164 $(255)$274 $51 $49 $246 
Amortization of unrecognized (gain) loss1 — 3 (13)(10)2 
Prior service benefit (cost)— — — 1 — — 
Amortization of prior service (benefit) cost(4)(3)(3)(1)(2)(1)
Curtailment (gain) loss— — — — — — 
Settlement loss2 — 25 — — — 
Effect of foreign exchange rates(1)8 2 — 1 — 
Total benefit (loss) recognized in other comprehensive income (loss), attributable to Corteva$162 $(250)$301 $38 $38 $247 
Total recognized in net periodic benefit (credit) cost and other comprehensive income (loss)$30 $(350)$471 $10 $— $219 
Schedule of Expected Benefit Payments [Table Text Block]
Estimated Future Benefit Payments at December 31, 2024Defined Benefit Pension PlansOther Post-Employment Benefits
(In millions)
2025$1,224 $103 
20261,186 97 
20271,150 91 
20281,116 85 
20291,078 79 
Years 2030-20344,806 314 
Total$10,560 $769 
Schedule of Allocation of Plan Assets [Table Text Block]
Target Allocation for Plan AssetsDecember 31, 2024December 31, 2023
Asset Category
U.S. equity securities9 %9 %
Non-U.S. equity securities5 5 
Fixed income securities67 64 
Hedge funds— 2 
Private market securities12 11 
Real estate7 7 
Cash and cash equivalents— 2 
Total 100 %100 %
Basis of Fair Value MeasurementsTotalLevel 1Level 2Level 3
For the year ended December 31, 2024
(In millions)
Cash and cash equivalents$1,030 $1,030 $— $— 
U.S. equity securities 1
1,030 1,026 1 3 
Non-U.S. equity securities389 388 — 1 
Debt – government-issued1,628 — 1,628 — 
Debt – corporate-issued3,540 — 3,540 — 
Debt – asset-backed590 — 590 — 
Hedge funds5 — 2 3 
Private market securities3 — — 3 
Real estate funds101 — — 101 
Other51 — — 51 
     Subtotal $8,367 $2,444 $5,761 $162 
Investments measured at net asset value
     Debt - government issued39 
     Debt - corporate-issued3 
     U.S. equity securities21 
     Non-U.S. equity securities20 
     Hedge funds11 
     Private market securities1,810 
     Real estate funds642 
Total investments measured at net asset value$2,546 
Other items to reconcile to fair value of plan assets
     Pension trust receivables 2
79    
     Pension trust payables 3
(362)   
Total$10,630    
1.The Corteva pension plans directly held $132 million (approximately 1 percent of total plan assets) of Corteva, Inc. common stock at December 31, 2024.
2.Primarily receivables for investments securities sold.
3.Primarily payables for investment securities purchased.
Basis of Fair Value Measurements
For the year ended December 31, 2023
(In millions)TotalLevel 1Level 2Level 3
Cash and cash equivalents$1,148 $1,148 $— $— 
U.S. equity securities1
1,108 1,106 1 1 
Non-U.S. equity securities441 439 — 2 
Debt – government-issued1,601 — 1,601 — 
Debt – corporate-issued3,908 — 3,906 2 
Debt – asset-backed637 — 637 — 
Hedge funds5 — 2 3 
Private market securities6 — — 6 
Real estate funds52 — — 52 
Other55 — — 55 
     Subtotal $8,961 $2,693 $6,147 $121 
Investments measured at net asset value
     Debt - government issued$42 
     Debt - corporate-issued3 
     U.S. equity securities19 
     Non-U.S. equity securities21 
     Hedge funds143 
     Private market securities1,928 
     Real estate funds768 
Total investments measured at net asset value$2,924 
Other items to reconcile to fair value of plan assets
     Pension trust receivables2
315 
     Pension trust payables3
(445)   
Total$11,755    
1.The Corteva pension plans directly held $204 million (approximately 2 percent of total plan assets) of Corteva, Inc. common stock at December 31, 2023.
2.Primarily receivables for investments securities sold.
3.Primarily payables for investment securities purchased.
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]
Fair Value Measurement of
Level 3 Pension Plan Assets		U.S. equity securitiesNon-U.S. equity securitiesDebt – corporate-issuedHedge fundsPrivate market securitiesReal estateOtherTotal
(In millions)
Balance at January 1, 2023$3 $— $— $3 $4 $132 $62 $204 
Actual return on assets:
Relating to assets sold during the year ended December 31, 2023(1)(9)— — — — — (10)
Relating to assets held at December 31, 2023— 10 (5)— 2 (24)4 (13)
Purchases, sales and settlements, net(1)1 7 — — (35)(13)(41)
Transfers in or out of Level 3, net— — — — — (21)2 (19)
Balance at December 31, 2023$1 $2 $2 $3 $6 $52 $55 $121 
Actual return on assets:
Relating to assets sold during the year ended December 31, 2024— 3 (14)— — — — (11)
Relating to assets held at December 31, 20242 — 14 — (3)(68)(2)(57)
Purchases, sales and settlements, net— (4)— — — 1 (2)(5)
Transfers in or out of Level 3, net— — (2)— — 116 — 114 
Balance at December 31, 2024$3 $1 $— $3 $3 $101 $51 $162