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Other Current Assets (Tables)
 9 Months Ended
Sep. 30, 2012
Other Current Assets/Other Assets [Abstract]  
Other current assets
                 
    September 30,
2012		     December 31,
2011		  
    (In millions)  

Prepaid income taxes

   $ 88     $ —    

Restricted cash

     —         13  

Appeal bonds

     7       7  

Deposits

     10       —    

Other current assets

     2       5  
   

 

 

    

 

 

  

Total

   $ 107     $ 25