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Commitments and Contingent Liabilities (Guarantees) (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) yr month | Dec. 31, 2016 USD ($)
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations |  | $ 356 | $ 354
Customer and Supplier Guarantee, Bank Borrowings [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [1] | $ 176 |
Guaranteed obligations maximum term | yr | [1] | 5 |
Customer and Supplier Guarantee [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations |  | $ 176 |
Collateral assets and personal guarantees percentage |  | 20.00% |
Equity Affiliates, Bank Borrowings [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [2] | $ 165 |
Guaranteed obligations maximum term | yr | [2] | 1 |
Chemours purchase obligations [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [3] | $ 15 |
Guaranteed Obligations Maximum Term, Months | month | [3] | 12 |
Guarantee Obligations, Long Term [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations |  | $ 9 |
Guarantee Obligations, Long Term [Member] | Customer and Supplier Guarantee, Bank Borrowings [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [1] | 9 |
Guarantee Obligations, Long Term [Member] | Equity Affiliates, Bank Borrowings [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [2] | 0 |
Guarantee Obligations, Long Term [Member] | Chemours purchase obligations [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [3] | 0 |
Guaranteed Obligations Short Term [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations |  | 347 |
Guaranteed Obligations Short Term [Member] | Customer and Supplier Guarantee, Bank Borrowings [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [1] | 167 |
Guaranteed Obligations Short Term [Member] | Equity Affiliates, Bank Borrowings [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [2] | 165 |
Guaranteed Obligations Short Term [Member] | Chemours purchase obligations [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Guarantee obligations | [3] | $ 15 |
[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 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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