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Subsequent Events (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2015 | Jul. 28, 2015 | Jun. 30, 2015 | Jun. 23, 2015 | Jan. 21, 2015 | Dec. 31, 2014
Subsequent Event [Line Items] |  |  |  |  |  |
Chemours shares distributed to DD stockholders |  |  |  | 1 |  |
Common stock, par value |  |  | $ 0.30 | $ 0.30 |  | $ 0.30
Shares of DD common stock converted |  |  |  | 5 |  |
Chemours [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Common stock, par value |  |  |  | $ 0.01 |  |
Minimum [Member] | Chemours [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Curtailment gain | $ 230 |  |  |  |  |
Maximum [Member] | Chemours [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Curtailment gain | $ 240 |  |  |  |  |
2015 Share Buyback Plan [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
2015 Share buyback announcement |  |  |  |  | $ 4,000 |
2015 Share Buyback Plan [Member] | Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Share buyback plan, Authorized Amount |  | $ 2,000 |  |  |  |

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- Definition 2015 Share Buyback Announcement + References No definition available. + Details
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- Definition Number of shares of Chemours common stock distributed to DuPont stockholders as of the Distribution Date. + References No definition available. + Details
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- Definition Number of shares of DD Common Stock Converted to Chemours stock as of the Distribution Date. + References No definition available. + Details
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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Plan Curtailment -URI http://asc.fasb.org/extlink&oid=6520938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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