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Percentage-Of-Completion Contracts (Tables)
6 Months Ended
Jun. 30, 2012
Contractors [Abstract]  
Schedule Of Unapproved Claims And Change Orders
The amounts of unapproved claims and change orders included in determining the profit or loss on contracts and recorded in current and non-current unbilled receivables on uncompleted contracts are as follows:

 
June 30,
 
December 31,
Millions of dollars
2012
 
2011
Probable unapproved claims
$
138

 
$
31

Probable unapproved change orders
$
51

 
$
6

KBR share of probable unapproved change orders of unconsolidated subsidiaries
$
25

 
$