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Current Other Liabilities
 6 Months Ended
Jun. 30, 2011
Current Other Liabilities [Abstract]  
Current Other Liabilities
7. Current Other Liabilities
                   
    As of   As of
    June 30,   December 31,
    2011   2010
    (In $ millions)  
Salaries and benefits
     103       111  
Environmental (Note 11)
     22       16  
Restructuring (Note 13)
     49       57  
Insurance
     21       27  
Asset retirement obligations
     36       31  
Derivatives (Note 15)
     56       69  
Current portion of benefit obligations
     49       49  
Interest
     28       29  
Sales and use tax/foreign withholding tax payable
     27       15  
Uncertain tax positions
     12       15  
Other
     172       177  
 
        
Total
     575       596