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Claims and Accounts Receivable (Tables)
9 Months Ended
Sep. 30, 2016
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:
 
September 30,
 
December 31,
Dollars in millions
2016
 
2015
Engineering & Construction
$
400

 
$
400

Government Services
128

 
126

Total
$
528

 
$
526