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Severance (Tables)
9 Months Ended
Sep. 30, 2012
Severance  
Schedule of changes in accrued liabilities for severance expenses

  Severance  
 
  (Dollars in millions)
 

Balance at December 31, 2011(Successor)

  $ 29  

Accrued to expense

    58  

Payments, net

    (74 )

Reversals and adjustments

    (1 )
       

Balance at September 30, 2012 (Successor)

  $ 12