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GOODWILL (Tables)
 12 Months Ended
Jun. 29, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amounts of Goodwill by Business Segments
The assignment of goodwill by business segment, and changes in the carrying amount of goodwill for the fiscal years ended June 29, 2018 and June 30, 2017, by business segment, were as follows:
 
 
Communication
Systems
 
Electronic
Systems
 
Space and Intelligence
Systems
 
Total
 
 
 
 
 
 
 
 
 
 
 
(In millions)
Balance at July 1, 2016
$
781

 
$
3,093

 
$
1,478

 
$
5,352

Currency translation adjustments
2

 
(4
)
 
(1
)
 
(3
)
Other
2

 
15

 
—

 
17

Balance at June 30, 2017
785

 
3,104

 
1,477

 
5,366

Currency translation adjustments
—

 
3

 
3

 
6

Balance at June 29, 2018
$
785

 
$
3,107

 
$
1,480

 
$
5,372