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Goodwill, Customer Relationships and Other Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2012
Goodwill, Customer Relationships and Other Intangible Assets  
Schedule of goodwill, customer relationships and other intangible assets
  Successor  
 
  September 30, 2012   December 31, 2011  
 
  (Dollars in millions)
 

Goodwill

  $ 9,369     9,369  
           

Customer relationships, less accumulated amortization of $1,139 and $598

  $ 4,560     5,101  
           

Other intangible assets subject to amortization

             

Capitalized software, less accumulated amortization of $644 and $354

  $ 1,277     1,460  
           
Schedule of estimated amortization expense for intangible assets
Successor
  (Dollars in millions)  

Three months ending December 31, 2012

  $ 276  

Year ending December 31,

       

2013

    1,016  

2014

    935  

2015

    830  

2016

    727  
Summary of amortization expense

  Successor    
  Predecessor  
 
  Three Months
Ended
September 30,
2012
  Three Months
Ended
September 30,
2011
  Nine Months
Ended
September 30,
2012
  Six Months
Ended
September 30,
2011
   
  Three Months
Ended
March 31,
2011
 
 
  (Dollars in millions)
 

Amortization expense

  $ 274     318     835     637         58