Amount credited to each company's threshold for PFAS costs shared between DuPont and Corteva.

No definition available.

Name:	ctva_Amountcreditedtoeachcompanysthreshold
Namespace Prefix:	ctva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Corteva and DuPont stray liability sharing percentage for PFAS

+ References

No definition available.

+ Details

Name:	ctva_CortevaAndDuPontStrayLiabilitySharingPercentageForPFAS
Namespace Prefix:	ctva_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount by which DuPont and Corteva will share PFAS costs. After threshold is exceeded, companies will share proportionally on basis of 29% (Corteva) and 71% (DuPont).

+ References

No definition available.

+ Details

Name:	ctva_CortevaAndDuPontStrayLiabilityThresholdForPFAS
Namespace Prefix:	ctva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Term of cost sharing arrangement under the MOU.

+ References

No definition available.

+ Details

Name:	ctva_CostSharingArrangementTerm
Namespace Prefix:	ctva_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount by which if escrow is below, on December 31, 2028, then Chemours will make 50% of the deposits and DuPont and Corteva together will make 50% of the deposits necessary to restore the balance of the escrow account to $700MM.

+ References

No definition available.

+ Details

Name:	ctva_EscrowAccountBalance
Namespace Prefix:	ctva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of deposits to be made to the escrow account as part of the cost sharing agreement under the MOU.

+ References

No definition available.

+ Details

Name:	ctva_EscrowAccountDepositPercentage
Namespace Prefix:	ctva_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Lawsuits alleging personal injury which were filed.

+ References

No definition available.

+ Details

Name:	ctva_Lawsuitsallegingpersonalinjuryfiled
Namespace Prefix:	ctva_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Minimum Settlement Amount Required To Allow Withdrawals From Escrow Account

+ References

No definition available.

+ Details

Name:	ctva_MinimumSettlementAmountRequiredToAllowWithdrawalsFromEscrowAccount
Namespace Prefix:	ctva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Qualified Spend and Escrow Account Contribution Threshold

+ References

No definition available.

+ Details

Name:	ctva_QualifiedSpendAndEscrowAccountContributionThreshold
Namespace Prefix:	ctva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Stray liability sharing percentage

+ References

No definition available.

+ Details

Name:	ctva_Strayliabilitysharingpercentage
Namespace Prefix:	ctva_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Threshold to waive MOU escrow account funding obligation

+ References

No definition available.

+ Details

Name:	ctva_ThresholdToWaiveMOUEscrowAccountFundingObligation
Namespace Prefix:	ctva_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480327/954-440-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

Name:	us-gaap_EscrowDeposit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482425/460-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-4

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-4

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-9

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483076/450-20-50-9

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ctva_PFOAMattersMultiDistrictLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ctva_CortevaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ctva_DuPontdeNemoursMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=ctva_PFASMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ctva_ChemoursMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ctva_NoLaterThanSeptember30OfEachSubsequentYearThroughAndIncluding2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=ctva_NoLaterThanEachOfSeptember302021AndSeptember302022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=ctva_CortevaAndDuPontMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingent Liabilities Chemours (Details) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2020 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2028 USD ($)	Dec. 31, 2019 lawsuits
PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party	$ 670.0
Lawsuits alleging personal injury filed \| lawsuits				3,550
Corteva [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage		29.00%
DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Corteva and DuPont stray liability threshold for PFAS		$ 200.0
Stray liability sharing percentage		71.00%
PFAS [Member]
Loss Contingencies [Line Items]
Minimum Settlement Amount Required To Allow Withdrawals From Escrow Account		$ 125.0
Threshold to waive MOU escrow account funding obligation		$ 100.0
PFAS [Member] \| Forecast [Member]
Loss Contingencies [Line Items]
Escrow Account Balance			$ 700.0
PFAS [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Cost Sharing Arrangement Term		20 years
Qualified Spend and Escrow Account Contribution Threshold		$ 4,000.0
PFAS [Member] \| Chemours [Member]
Loss Contingencies [Line Items]
Escrow Account Deposit Percentage		50.00%
PFAS [Member] \| Chemours [Member] \| No later than September 30 of each subsequent year through and including 2028
Loss Contingencies [Line Items]
Escrow Balance		$ 50.0
PFAS [Member] \| Chemours [Member] \| No later than each of September 30, 2021 and September 30, 2022
Loss Contingencies [Line Items]
Escrow Balance		100.0
PFAS [Member] \| Chemours [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Escrow Balance		$ 500.0
PFAS [Member] \| Corteva [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage for PFAS		50.00%
PFAS [Member] \| Corteva [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
Qualified Spend and Escrow Account Contribution Threshold		$ 600.0
PFAS [Member] \| DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage for PFAS		50.00%
PFAS [Member] \| Corteva and DuPont
Loss Contingencies [Line Items]
Stray liability sharing percentage for PFAS		50.00%
Escrow Account Deposit Percentage		50.00%
Amount credited to each company's threshold		$ 150.0
PFAS [Member] \| Corteva and DuPont \| No later than September 30 of each subsequent year through and including 2028
Loss Contingencies [Line Items]
Escrow Balance		50.0
PFAS [Member] \| Corteva and DuPont \| No later than each of September 30, 2021 and September 30, 2022
Loss Contingencies [Line Items]
Escrow Balance		100.0
PFAS [Member] \| Corteva and DuPont \| Maximum [Member]
Loss Contingencies [Line Items]
Qualified Spend and Escrow Account Contribution Threshold		2,000.0
Corteva and DuPont stray liability threshold for PFAS		300.0
Escrow Balance		$ 500.0