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Commitments and Contingencies (Details Textual) (USD $) | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2007 | Feb. 28, 2002 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2002 | Sep. 19, 2008 Trust | Dec. 05, 2002
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |
Settlement agreement pre-tax charge |  |  |  |  |  | $ 850,000,000 |  |
Charge covering a cash payment that will be required to make under settlement agreement upon the effectiveness of an appropriate plan of reorganization |  |  |  |  |  | 513,000,000 |  |
Percentage of annual interest that accrues on settlement agreement charges from December 31 2002 to the date of payment |  |  | 5.50% |  |  |  |  |
Accrued interest compounded annually included in settlement agreement and related accrued interest |  |  | 319,000,000 | 275,000,000 |  |  |  |
Non cash charges at fair value market |  |  |  |  |  | 322,000,000 |  |
Number of shares of company's common stock that is charged and expected to be issued under Settlement agreement upon the effectiveness of an appropriate plan of reorganization |  |  | 9,000,000 |  |  |  |  |
Adjustment of company's common stock that is charged and expected to be issued under settlement agreement | To eighteen million shares due to our two-for-stock split in March 2007 |  |  |  |  |  |  |
Amount per common share pre split |  |  |  |  |  |  |  | $ 35.72
Amount per common share post split |  |  |  |  |  |  |  | $ 17.86
Par value of common stock reserved for issuance related to the settlement agreement |  |  |  |  |  | 900,000 |  |
Excess of the aggregate fair value market over aggregated par value of common shares. |  |  |  |  |  | 321,000,000 |  |
Number of shares of common stock reserved for issuance related to the settlement | 18,000,000 |  | 18,000,000 | 18,000,000 |  |  |  |
Legal and related fees related to Settlement agreement |  |  |  |  |  | 16,000,000 |  |
Settlement agreement and related costs |  |  | (900,000) | (600,000) | (1,800,000) |  |  |
Establishment of asbestos trust under section 524(g) |  |  |  |  |  |  | 2 |
Voting declaration with respect to the PI Settlement Plan |  |  | According to the Voting Declaration, with respect to each class of claims designated as impaired by Grace, the PI Settlement Plan has been approved by holders of at least two-thirds in amount and more than one-half in number (or for classes voting for purposes of Section 524(g) of the Bankruptcy Code, at least 75% in number) of voted claims |  |  |  |  |
Percentage of Holders Approving PI Settlement Plan Under Bankruptcy Code |  |  | 75.00% |  |  |  |  |
Charges accrued for potential liabilities |  | 172,000,000 |  |  |  |  |  |
Principal contractual obligations including agreements to purchase an estimated amount of goods, including raw materials, or services |  |  | 253,300,000 |  |  |  |  |
Net rental expense |  |  | $ 53,000,000 | $ 35,000,000 | $ 42,000,000 |  |  |

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- Definition Accrued interest compounded annually included in settlement agreement and related Accrued interest. + References No definition available. + Details
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- Definition Adjustment of company's common stock that is charged and expected to be issued under settlement agreement. + References No definition available. + Details
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- Definition Amount per common share post split. + References No definition available. + Details
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- Definition Amount per common share pre split. + References No definition available. + Details
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- Definition Charge covering a cash payment that will be required to make under settlement agreement upon the effectiveness of an appropriate plan of reorganization. + References No definition available. + Details
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- Definition Charges accrued for potential liabilities. + References No definition available. + Details
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- Details
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- Definition The number of shares of Common stock reserved for issuance as described in "Settlement Agreement and Related Costs" in Commitments and Contingencies note. + References No definition available. + Details
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- Definition Establishment of Asbestos trust under section 524(g). + References No definition available. + Details
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- Definition Excess of the aggregate fair value market over aggregated par value of common shares. + References No definition available. + Details
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- Definition Legal and related fees related to Settlement agreement. + References No definition available. + Details
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- Definition Non cash charges at fair value market. + References No definition available. + Details
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- Definition Number of shares of company's common stock that is charged and expected to be issued under Settlement agreement upon the effectiveness of an appropriate plan of reorganization. + References No definition available. + Details
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- Definition Par Value Of Common Stock Reserved For Issuance Related To Settlement Agreement. + References No definition available. + Details
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- Definition Percentage of annual interest that accrues on settlement agreement charges from specified date to the date of payment. + References No definition available. + Details
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- Definition Percentage Of Holders Approving PI Settlement Plan Under Bankruptcy Code. + References No definition available. + Details
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- Definition This element represents the gross amount awarded, to be received by, or to be remitted to the entity in settlement of litigation occurring during the period. + References No definition available. + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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