v3.3.1.900

Discontinued Operations - Additional Information (Detail) - Aromatics [Member] $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Cash received from business disposal | $ 52.4 | $ 52.4
Business disposal, selling price | 47.4 | 47.4
Advance toward the cost of decommissioning and dismantling business | 5.0 | 5.0
Contingent consideration | 5.0 | 5.0
Working capital adjustment, net | 0.2 |
INEOS Americas LLC. [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Decommissioning and dismantlement costs |  | 5.0
Discontinued Operations Disposed of by Sale [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Advance toward the cost of decommissioning and dismantling business | 4.6 | 4.6
Contingent consideration | 5.5 |
Pre tax gain on business disposal | 5.3 | 21.5
Discontinued Operations Disposed of by Sale [Member] | INEOS Americas LLC. [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Advance toward the cost of decommissioning and dismantling business | 5.0 | 5.0
Decommissioning and dismantlement costs | $ 5.0 | $ 0.8

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