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Receivables (Tables)
 11 Months Ended
Jan. 01, 2016
Receivables [Abstract]  
Schedule of Accounts Receivable
The components of receivables, net consisted of the following:
 
January 1,
2016
 
January 30,
2015
 
(in millions)
Billed and billable receivables
$
715

 
$
655

Unbilled receivables:


 


Amounts billable
187

 
230

Contract retentions
29

 
21

Allowance for doubtful accounts
(10
)
 
(10
)
 
$
921

 
$
896