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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2013
Warranty Reserve Activity

The following table identifies the activity relating to the warranty reserve for the nine months ended September 30:

 

In millions    2013     2012  

Warranty reserve liability

    

Beginning balance at January 1

   $ 8      $ 6   

Provisions for warranties issued

     10        12   

Settlements (in cash or in kind)

     (11     (11
  

 

 

   

 

 

 

Balance at September 30

   $ 7      $ 7