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RECEIVABLES (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Jul. 01, 2016
Receivables    
Receivables, Gross $ 626 $ 678
Less allowances for collection losses (3) (4)
Receivables, Net 623 674
Accounts receivable    
Receivables    
Receivables, Gross 368 398
Cost-Plus | Unbilled Revenues    
Receivables    
Receivables, Gross $ 258 $ 280