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Warranty
9 Months Ended
Sep. 30, 2011
Warranty [Abstract] 
Warranty
F. Warranty
F.   Changes in the Company’s warranty liability were as follows, in millions:
                 
    Nine Months Ended     Twelve Months Ended  
    September 30, 2011     December 31, 2010  
Balance at January 1
  $ 107     $ 109  
Accruals for warranties issued during the period
    20       42  
Accruals related to pre-existing warranties
    7       (4 )
Settlements made (in cash or kind) during the period
    (29 )     (37 )
Other, net
    (2 )     (3 )
 
           
Balance at end of period
  $ 103     $ 107