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Commitments and Contingent Liabilities (Guarantees) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2016 USD ($) yr month
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 354 |
Guaranteed Obligations, Short-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | 325 |
Guarantee Obligations, Long-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | 29 |
Customer and Supplier Guarantee, Bank Borrowings [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 167 | [1]
Guaranteed obligations maximum term, years | yr | 5 | [1]
Customer and Supplier Guarantee, Bank Borrowings [Member] | Guaranteed Obligations, Short-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 149 | [1]
Customer and Supplier Guarantee, Bank Borrowings [Member] | Guarantee Obligations, Long-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | 18 | [1]
Equity Affiliates Guarantee, Bank Borrowings [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 161 | [2]
Guaranteed obligations maximum term, years | yr | 1 | [1]
Equity Affiliates Guarantee, Bank Borrowings [Member] | Guaranteed Obligations, Short-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 161 | [2]
Equity Affiliates Guarantee, Bank Borrowings [Member] | Guarantee Obligations, Long-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | 0 | [2]
Chemours purchase obligations [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 26 | [3]
Guaranteed Obligations Maximum Term, Months | month | 15 | [3]
Chemours purchase obligations [Member] | Guaranteed Obligations, Short-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 15 | [3]
Chemours purchase obligations [Member] | Guarantee Obligations, Long-Term [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | 11 | [3]
Customer and Supplier Guarantee [Member] |  |
Guarantor Obligations [Line Items] |  |
Guarantee obligations | $ 167 |
Collateral assets and personal guarantees percentage | 23.00% |
[1] | Existing guarantees for customers and suppliers, as part of contractual agreements.
[2] | Existing guarantees for equity affiliates' liquidity needs in normal operations.
[3] | Guarantee for Chemours' raw material purchase obligations under agreement with third party supplier.

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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
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- Definition Indicates, if estimable, (as a percentage) the approximate extent to which the proceeds from liquidation of any assets held either as collateral or by third parties would be expected to cover the maximum potential amount of future payments under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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