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Guarantees, Indemnities and Warranties (Tables)
12 Months Ended
Dec. 31, 2011
Guarantees, Indemnities and Warranties [Abstract]  
Changes in the product warranty accrual
                     
     2011   2010

Warranty accrual – January 1

    $ 27       $ 24  

Warranty expense

      8         13  

Payments

      (9 )       (10 )
                     

Warranty accrual – December 31

    $ 26       $ 27