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Commitments and Contingent Liabilities Environmental (Details) $ in Millions | Sep. 30, 2018 USD ($)
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Loss Contingencies [Line Items] |
Accrual for Environmental Loss Contingencies | $ 417
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual | 825
Superfund Sites [Member] |
Loss Contingencies [Line Items] |
Accrual for Environmental Loss Contingencies | 58
Chemours [Member] |
Loss Contingencies [Line Items] |
Accrual for Environmental Loss Contingencies | 228
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual | 395
Chemours [Member] | Indemnification Agreement [Member] |
Loss Contingencies [Line Items] |
Indemnification Assets | 228
Chemours [Member] | Indemnification Agreement [Member] | Superfund Sites [Member] |
Loss Contingencies [Line Items] |
Indemnification Assets | $ 39

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- Definition 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. + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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