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Claims and Accounts Receivable (Tables)
6 Months Ended
Jun. 30, 2015
Receivables [Abstract]  
Schedule of Contracts Receivable, Claims and Uncertain Amounts
The components of our claims and accounts receivable account balance not expected to be collected within the next 12 months are as follows:
 
June 30,
 
December 31,
Dollars in millions
2015
 
2014
Engineering & Construction
$
425

 
$
425

Government Services
151

 
145

Total
$
576

 
$
570