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Supplemental Financial Information (Tables)
6 Months Ended
Jun. 30, 2013
Supplemental Financial Information  
Components of long-term investments

 

 

 

June 30

 

December 31

 

(dollars in millions)

 

2013

 

2012

 

Equity securities

 

$

126

 

$

213

 

Other

 

28

 

61

 

Total

 

$

154

 

$

274