Additional annual PFOA liabilities for the next five years paid by Chemours, up to $25 million per year

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Additional annual PFOA liabilities for the next five years paid by DuPont, above the first $25 million paid by Chemours, capped at $50 million per year

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Binding settlement agreement, class size

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Cases tried to verdict

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Disease Categories for MDL

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Escrow amount per settlement agreement

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Escrow amount disbursed.

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Indemnification asset for liabilities indemnified by Chemours against certain litigation, environmental, workers' compensation and other liabilities that arose prior to the spin-off of Chemours.

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No definition available.

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- Definition

Lawsuits alleging wrongful death

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Lawsuits alleging personal injury which have been filed.

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No definition available.

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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates, after tax

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MDL Settlement Amount

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No definition available.

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Minimum escrow amount per settlement agreement

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- Definition

PFOA MDL plaintiff cases settled for immaterial amounts

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PFOA MDL plaintiff cases voluntarily withdrawn.

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- Definition

The Ohio federal court ("MDL") selected plaintiffs from which individual trials related to PFOA are scheduled.

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Period for sharing for PFOA Liabilities

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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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Amount of loss contingency liability.

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Amount of cash outflow reducing loss contingency liability.

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- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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Commitments and Contingent Liabilities (Litigation) (Narrative) (Details) $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended				36 Months Ended
	Jul. 31, 2005 USD ($)	Mar. 31, 2017 USD ($) lawsuits	Dec. 31, 2017 USD ($) yr	Dec. 31, 2016 USD ($) cases	Dec. 31, 2015 USD ($)	Dec. 31, 2004 resident	Dec. 31, 2017 cases	Jan. 31, 2012 USD ($)
PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Binding settlement agreement, class size \| resident						80,000
Loss contingency, potential additional loss		$ 235.0
Escrow deposit								$ 1.0
Minimum escrow amount per settlement agreement								$ 0.5
Escrow amount disbursed (less than)		1.0
PFOA Matters [Member]
Loss Contingencies [Line Items]
Accrual balance		686.0
Indemnification assets		350.0
PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
MDL Settlement Accrual		670.7
Accrual balance		670.7
Indemnification assets		$ 335.0
Disease Categories for MDL		6
Lawsuits alleging personal injury - Filed		3,550
PFOA MDL plaintiffs \| cases				6
PFOA MDL plaintiff cases voluntarily withdrawn				1
Cases tried to verdict \| cases							3
PFOA MDL plaintiff cases settled for immaterial amounts \| cases				3
Lawsuits alleging wrongful death		30
Loss Contingency, Loss in Period		$ (335.0)
Loss Contingency, Loss in Period, after tax		$ (224.0)
Payment for Plaintiffs Attorney Fees [Member] \| PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Settlement payments	$ 23.0
Payment to fund community health project [Member] \| PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Settlement payments	$ 70.0
Scenario, Forecast [Member] \| PFOA Matters [Member]
Loss Contingencies [Line Items]
Period for sharing for PFOA Liabilities \| yr			5
Additional annual PFOA liabilities for the next five years paid by Chemours			$ 25.0
Additional annual PFOA liabilities for the next five years paid by DuPont			$ 25.0
Kidney cancer [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Lawsuits alleging personal injury - Filed \| lawsuits		210
PFOA MDL plaintiff cases settled for immaterial amounts \| cases				2
Testicular cancer [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Lawsuits alleging personal injury - Filed \| lawsuits		70
Ulcerative colitis [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Lawsuits alleging personal injury - Filed \| lawsuits		300
PFOA MDL plaintiff cases settled for immaterial amounts \| cases				1
Preeclampsia [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Lawsuits alleging personal injury - Filed \| lawsuits		200
Thyroid disease [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Lawsuits alleging personal injury - Filed \| lawsuits		1,430
High cholesterol [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Lawsuits alleging personal injury - Filed \| lawsuits		1,340
Bartlett [Member] \| Kidney cancer [Member] \| Compensatory [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value					$ 1.6
Bartlett [Member] \| Kidney cancer [Member] \| Punitive [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value					$ 0.0
Freeman [Member] \| Testicular cancer [Member] \| Compensatory [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value				$ 5.1
Freeman [Member] \| Testicular cancer [Member] \| Punitive [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value				0.5
Vigneron [Member] \| Testicular cancer [Member] \| Compensatory [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value				2.0
Vigneron [Member] \| Testicular cancer [Member] \| Punitive [Member] \| PFOA Matters: Multi-District Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages Awarded, Value				$ 10.5
PFOA Matters [Member]
Loss Contingencies [Line Items]
Accrual balance		$ 15.0