Debt Exchanged, Amount

No definition available.

Name:	dd_DebtExchangedAmount
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Conversion, Converted Instrument, Percentage Of Outstanding Debt

+ References

No definition available.

+ Details

Name:	dd_DebtExchangedPercentageOfDebtOutstanding
Namespace Prefix:	dd_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Redemption Price Per Face Amount

+ References

No definition available.

+ Details

Name:	dd_DebtInstrumentRedemptionPricePerFaceAmount
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Instrument, Required Repurchased Face Amount Upon Triggering Event

+ References

No definition available.

+ Details

Name:	dd_DebtInstrumentRequiredRepurchasedFaceAmountUponTriggeringEvent
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line Of Credit Facility, Remaining Borrowing Capacity, Uncommitted Amount

+ References

No definition available.

+ Details

Name:	dd_LineOfCreditFacilityRemainingBorrowingCapacityUncommittedAmount
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long-Term Debt, Gross Amount Held By Noteholders

+ References

No definition available.

+ Details

Name:	dd_LongTermDebtGrossAmountHeldByNoteholders
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Long-Term Debt, Gross Amount Held By Noteholders, Percentage

+ References

No definition available.

+ Details

Name:	dd_LongTermDebtGrossAmountHeldByNoteholdersPercentage
Namespace Prefix:	dd_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Payments Of Cash Distributions

+ References

No definition available.

+ Details

Name:	dd_PaymentsOfCashDistributions
Namespace Prefix:	dd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Supplier Finance Program, Notice Of Termination. Period

+ References

No definition available.

+ Details

Name:	dd_SupplierFinanceProgramNoticeOfTerminationPeriod
Namespace Prefix:	dd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Supplier Finance Program, Weighted Average Payment Term

+ References

No definition available.

+ Details

Name:	dd_SupplierFinanceProgramWeightedAveragePaymentTerm
Namespace Prefix:	dd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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.

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+ Details

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

- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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Period Type:	duration

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

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Balance Type:	credit
Period Type:	duration

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

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SHORT-TERM BORROWINGS, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES AND OTHER OBLIGATIONS - Narrative (Details)							1 Months Ended	12 Months Ended
	Nov. 07, 2025 USD ($)	Oct. 31, 2025 USD ($)	Apr. 30, 2025 USD ($)	Jun. 15, 2024 USD ($)	Jun. 05, 2024 USD ($)	Nov. 22, 2021	May 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Nov. 30, 2025 USD ($)	Nov. 01, 2025 USD ($)	Oct. 02, 2025 USD ($)	Sep. 30, 2025 USD ($)	Aug. 31, 2025 USD ($)	Nov. 30, 2023 USD ($)	Apr. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)
Debt Instrument [Line Items]
Loss on debt extinguishment								$ 99,000,000	$ 74,000,000	$ 0
Partial redemption of aggregate principal amount								4,134,000,000	687,000,000	300,000,000
Outstanding commercial paper								60,000,000	0	$ 0
Remaining borrowing capacity, uncommitted								475,000,000
Letters of credit outstanding								$ 137,000,000
Ratio of indebtedness to net capital (not exceed)								0.60
Payment timing of supplier finance program								130 days
Require notice of termination for supplier financing								30 days
Qnity
Debt Instrument [Line Items]
Cash distribution payment		$ 4,100,000,000
Exchangeable Debt \| 2028 Notes
Debt Instrument [Line Items]
Interest rate, percentage														4.725%
Debt exchanged, amount														$ 1,580,000,000
Debt exchanged														70.42%
Exchangeable Debt \| 2038 Notes
Debt Instrument [Line Items]
Interest rate, percentage														5.319%
Exchangeable Debt \| 2048 Notes
Debt Instrument [Line Items]
Interest rate, percentage														5.419%
Exchangeable Debt \| 2028 New Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt													$ 1,580,000,000
Principal amount of debt required to be redeemed												$ 900,000,000
Exchangeable Debt \| 2038 New Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt													226,000,000
Principal amount of debt required to be redeemed												226,000,000
Amount of debt beneficially owned by certain noteholders											$ 649,000,000
Percentage of debt beneficially owned by certain noteholders											83.90%
Exchangeable Debt \| 2048 New Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt											$ 1,029,000,000		$ 295,000,000
Principal amount of debt required to be redeemed												295,000,000
Amount of debt beneficially owned by certain noteholders											$ 1,118,000,000
Percentage of debt beneficially owned by certain noteholders											60.25%
Aggregate principal amount of debt repaid											$ 739,000,000
Purchase price per $1,000 aggregate principal amount											1,000
Secured Debt \| Qnity Secured Notes \| Qnity
Debt Instrument [Line Items]
Interest rate, percentage															5.75%
Aggregate principal amount of debt															$ 1,000,000,000
Unsecured Debt \| Qnity Unsecured Notes \| Qnity
Debt Instrument [Line Items]
Interest rate, percentage															6.25%
Aggregate principal amount of debt															$ 750,000,000
Unsecured Debt \| Floating Rate Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt repaid																$ 300,000,000
Unsecured Debt \| Fixed Rate Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount of debt repaid											$ 1,850,000,000
Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity								$ 3,000,000,000
Line of Credit \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt term						5 years
Drawdowns								0
Line of Credit \| Qnity Credit Facility Due 2030 \| Qnity \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity														$ 1,250,000,000
Line of Credit \| Qnity Credit Facility Due 2032 \| Qnity \| Term Loan Facility
Debt Instrument [Line Items]
Maximum borrowing capacity														$ 2,350,000,000
Line of Credit \| 2025 $1B Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity							$ 1,000,000,000	1,000,000,000
Debt term							364 days
Line of Credit \| 2024 $1B 364-Day Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 1,000,000,000
Debt term									364 days
Line of Credit \| Five-Year Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 2,500,000,000					2,000,000,000				2,000,000,000
Debt term			5 years				5 years
Line of Credit \| Five-Year Revolving Credit Facility \| Commercial Paper
Debt Instrument [Line Items]
Maximum borrowing capacity												$ 2,000,000,000					$ 2,500,000,000	$ 3,000,000,000
Senior Notes \| 2038 Notes
Debt Instrument [Line Items]
Loss on debt extinguishment	$ 11,000,000			$ (32,000,000)					$ 74,000,000
Partial redemption of aggregate principal amount	$ 226,000,000			$ 650,000,000	$ 650,000,000
Recurring \| Level 2
Debt Instrument [Line Items]
Long-term debt								$ 3,181,000,000	$ 5,368,000,000