v2.4.0.6

Segment And Geographic Information (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Segment Reporting Information [Line Items] |  |  |
Number of segments | 2 |  |
Number of plants | 10 |  |
Olefins [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of customers that account for more than 10% of sales | 0 | 0 | 0
Maximum percentage of sales held by single customer | 10.00% | 10.00% | 10.00%
Proforma decrease in segment operating income loss |  | $ 29,813 |
Proforma increase in segment operating income loss |  |  | 2,979
Vinyls [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of customers that account for more than 10% of sales | 0 | 1 | 0
Maximum percentage of sales held by single customer | 10.00% | 10.60% | 10.00%
Proforma decrease in segment operating income loss |  |  | 2,847
Proforma increase in segment operating income loss |  | 25,536 |
Corporate And Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Proforma decrease in segment operating income loss |  |  | 132
Proforma increase in segment operating income loss |  | $ 4,277 |
PVC Joint Venture In China [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Ownership interest | 59.00% |  |

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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