Cash distribution received from Chemours in connection with completion of the spin-off.

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

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Dividend received from Chemours

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Amount of gain (loss), after tax, recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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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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Indemnified Liabilities

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Net assets of Chemours transferred at spin-off.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined and other post employment benefit plans for some or all future services of present employees.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Separation related transaction costs primarily related to professional fees associated with preparation of regulatory filings and separation activities within finance, legal and information system functions, as well as the premium on early retirement of debt.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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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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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Divestitures and Other Transactions Divestitures and Other Transactions - PChem Narrative (Details) - USD ($) $ in Millions	1 Months Ended	8 Months Ended	12 Months Ended
	May 31, 2015	Aug. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Jul. 01, 2015	May 12, 2015
Predecessor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation Related Transaction Costs			$ 35	$ 306
Dividend received from Chemours	$ 3,923
Cash distribution received from Chemours	3,416
Net assets transferred at spin-off						$ 431
Predecessor [Member] \| Performance Chemicals [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring and Related Cost, Incurred Cost		$ 0	0	59
Predecessor [Member] \| Chemours' Debt [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Issuance of Debt	$ 4,000
Predecessor [Member] \| Senior Notes 7 Percent Due 2025 [Member] \| Chemours Notes Received [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Senior Notes Payable							$ 507
Debt Instrument, Interest Rate							7.00%
Predecessor [Member] \| Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation Related Transaction Costs			$ 35	260
Pension & OPEB, Net Periodic Benefit Cost, Gain Due to Curtailment				281
Predecessor [Member] \| Discontinued Operations [Member] \| PFOA Matters: Multi-District Litigation [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) Related to Litigation Settlement		335
Gain (Loss) Related To Litigation Settlement, Net Of Tax		$ 214
Predecessor [Member] \| Continuing Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation Related Transaction Costs				26
Predecessor [Member] \| Continuing Operations [Member] \| Loss on extinguishment of debt [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Separation Related Transaction Costs				$ 20
Accounts and Notes Receivable [Member] \| Successor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification Assets					$ 80
Other Assets [Member] \| Successor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification Assets					340
Accrued and Other Current Liabilities [Member] \| Successor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification Liabilities					80
Other Noncurrent Obligations [Member] \| Successor [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Indemnification Liabilities					$ 340