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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2011
Commitments and Contingencies [Abstract]  
Future minimum lease commitments under non-cancellable operating leases with initial or remaining terms of one year or more
         

2012

  $ 150  

2013

    110  

2014

    88  

2015

    69  

2016

    58  

Thereafter

    242  
   

 

 

 

Total future lease commitments

  $ 717