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Commitments and Contingent Liabilities DuPont (Details) | Mar. 31, 2021 USD ($)
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PFAS [Member] | Minimum [Member] |
Loss Contingencies [Line Items] |
Corteva and DuPont stray liability threshold for PFAS | $ 1
PFAS [Member] | Minimum [Member] | Once $300 million threshold is met [Member] |
Loss Contingencies [Line Items] |
De minimis threshold | 1,000,000
PFAS [Member] | Maximum [Member] |
Loss Contingencies [Line Items] |
Corteva and DuPont stray liability threshold for PFAS | 300,000,000
DuPont de Nemours [Member] |
Loss Contingencies [Line Items] |
Amount credited to each company's threshold | $ 150,000,000
Corteva [Member] |
Loss Contingencies [Line Items] |
Stray liability sharing percentage | 29.00%
Corteva [Member] | PFAS [Member] |
Loss Contingencies [Line Items] |
Stray liability sharing percentage for PFAS | 50.00%
Corteva [Member] | DuPont de Nemours [Member] |
Loss Contingencies [Line Items] |
Stray liability threshold | $ 200,000,000
Corteva [Member] | DuPont de Nemours [Member] | PFAS [Member] |
Loss Contingencies [Line Items] |
Stray liability sharing percentage for PFAS | 50.00%
DuPont de Nemours [Member] |
Loss Contingencies [Line Items] |
Stray liability sharing percentage | 71.00%
DuPont de Nemours [Member] | PFAS [Member] |
Loss Contingencies [Line Items] |
Stray liability sharing percentage for PFAS | 50.00%
DuPont de Nemours [Member] | DuPont de Nemours [Member] |
Loss Contingencies [Line Items] |
Stray liability threshold | $ 200,000,000
Corteva and DuPont stray liability threshold for PFAS | $ 200,000,000

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- Definition Amount credited to each company's threshold for PFAS costs shared between DuPont and Corteva. + References No definition available. + Details
Name: | dd_Amountcreditedtoeachcompanysthreshold
Namespace Prefix: | dd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Corteva and DuPont stray liability sharing percentage for PFAS + References No definition available. + Details
Name: | dd_CortevaAndDuPontStrayLiabilitySharingPercentageForPFAS
Namespace Prefix: | dd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- 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: | dd_CortevaAndDuPontStrayLiabilityThresholdForPFAS
Namespace Prefix: | dd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition De minimis requirement for which certain stray liabilities will be subject to for sharing arrangement between DuPont and Corteva. + References No definition available. + Details
Name: | dd_Deminimisthreshold
Namespace Prefix: | dd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Stray liability sharing percentage + References No definition available. + Details
Name: | dd_Strayliabilitysharingpercentage
Namespace Prefix: | dd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Amount over and above specified amounts of liability, for which Corteva and DuPont are responsible for strays. + References No definition available. + Details
Name: | dd_Strayliabilitythreshold
Namespace Prefix: | dd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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 No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_LitigationCaseAxis=dd_PFASMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
Name: | srt_RangeAxis=srt_MaximumMember
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- Details
Name: | srt_CounterpartyNameAxis=dd_DuPontdeNemoursMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |