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Pension Plans and Other Post Employment Benefit Plans Components of net periodic benefit cost (credit) and amounts recognized in other comprehensive loss (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Pension Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Service Cost | $ 18 | $ 20 | $ 25
Interest Cost | 690 | 505 | 364
Expected return on plan assets | (605) | (720) | (915)
Amortization of unrecognized loss (gain) | 0 | 3 | 55
Amortization of prior service benefit | (3) | (3) | (2)
Curtailment gain | 0 | 0 | 0
Settlement loss | 0 | 25 | 1
Net periodic benefit cost (credit) | 100 | (170) | (472)
Net loss (gain) | (255) | 274 | 1,284
Amortization of unrecognized (loss) gain | 0 | 3 | 55
Prior service cost (benefit) | 0 | 0 | 15
Amortization of prior service benefit | (3) | (3) | (2)
Settlement loss | 0 | 25 | 1
Effect of foreign exchange rates | 8 | 2 | 3
Total (benefit) loss recognized in other comprehensive loss, attributable to Corteva | (250) | 301 | 1,356
Total recognized in net periodic benefit cost and other comprehensive (income) loss | (350) | 471 | 1,828
Other Post Employment Benefits Plan |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Service Cost | 1 | 1 | 1
Interest Cost | 49 | 26 | 21
Expected return on plan assets | 0 | 0 | 0
Amortization of unrecognized loss (gain) | (10) | 2 | 81
Amortization of prior service benefit | (2) | (1) | (922)
Curtailment gain | 0 | 0 | (1)
Settlement loss | 0 | 0 | 0
Net periodic benefit cost (credit) | 38 | 28 | (820)
Net loss (gain) | 49 | 246 | 33
Amortization of unrecognized (loss) gain | (10) | 2 | 81
Prior service cost (benefit) | 0 | 0 | 0
Amortization of prior service benefit | (2) | (1) | (922)
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), after Tax | 0 | 0 | (1)
Settlement loss | 0 | 0 | 0
Effect of foreign exchange rates | 1 | 0 | 0
Total (benefit) loss recognized in other comprehensive loss, attributable to Corteva | 38 | 247 | (809)
Total recognized in net periodic benefit cost and other comprehensive (income) loss | $ 0 | $ 219 | $ 11

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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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