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Accrued Liabilities (Tables)
6 Months Ended
Jun. 30, 2012
Accrued Liabilities [Abstract]  
Accrued Liabilities
                 
    June 30,     December 31,  
    2012     2011  

Customer prepayments and billings

  $ 755     $ 686  

Accrued vendor costs

    428       280  

Compensation

    321       468  

Warranty

    216       211  

Insurance

    105       103  

Taxes (non income)

    102       119  

Fair value of derivatives

    68       83  

Interest

    7       7  

Other

    419       419  
   

 

 

   

 

 

 

Total

  $ 2,421     $ 2,376  
   

 

 

   

 

 

 
Changes in the carrying amount of service and product warranties

The changes in the carrying amount of service and product warranties are as follows (in millions):

 

         

Balance at December 31, 2011

  $ 211  
   

 

 

 

Net provisions for warranties issued during the year

    30  

Amounts incurred

    (26

Currency translation adjustments and other

    1  
   

 

 

 

Balance at June 30, 2012

  $ 216