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Percentage-Of-Completion Contracts (Tables)
 6 Months Ended
Jun. 30, 2015
Contractors [Abstract]  
Schedule Of Unapproved Claims And Change Orders
The amounts of unapproved change orders and claims included in determining the profit or loss on contracts are as follows:
Dollars in millions
2015
 
2014
Amounts included in project estimates-at-completion at January 1,
$
31

 
$
115

Changes in estimates-at-completion
42

 
3

Approved (a)
(27
)
 
(56
)
Amounts included in project estimates-at-completion at June 30,
$
46

 
$
62

 
 
 
 
Amounts recorded in revenues on a percentage-of-completion basis at June 30,
$
35

 
$
36

 
(a)
Includes $6 million of adjustments associated with the sale of our Building Group subsidiary.