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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