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GOODWILL (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 03, 2020 | Jun. 28, 2019 | Jun. 29, 2018
Goodwill [Roll Forward] |  |  |
Beginning Balance | $ 5,340 | $ 5,372 | $ 5,366
Currency translation adjustments | 12 | (2) | 6
Decrease from reclassification to assets of disposal group held for sale |  | (30) |
Goodwill acquired | 14,649 |  |
Ending Balance | 20,001 | 5,340 | 5,372
Harris Night Vision | Discontinued Operations, Held-for-sale or Disposed of by Sale |  |  |
Goodwill [Roll Forward] |  |  |
Beginning Balance | 30 |  |
Ending Balance |  | 30 |
Communication Systems |  |  |
Goodwill [Roll Forward] |  |  |
Beginning Balance | 64 | 64 | 64
Currency translation adjustments | 1 |  | 0
Decrease from reclassification to assets of disposal group held for sale |  | 0 |
Goodwill acquired | 5,704 |  |
Ending Balance | 5,768 | 64 | 64
Space and Airborne Systems |  |  |
Goodwill [Roll Forward] |  |  |
Beginning Balance | 3,737 | 3,739 | 3,733
Currency translation adjustments | 4 | (2) | 6
Decrease from reclassification to assets of disposal group held for sale |  | 0 |
Goodwill acquired | 1,390 |  |
Ending Balance | 5,131 | 3,737 | 3,739
Communication Systems |  |  |
Goodwill [Roll Forward] |  |  |
Beginning Balance | 927 | 927 | 927
Currency translation adjustments | 0 |  | 0
Decrease from reclassification to assets of disposal group held for sale |  | 0 |
Goodwill acquired | 3,316 |  |
Ending Balance | 4,243 | 927 | 927
Aviation Systems |  |  |
Goodwill [Roll Forward] |  |  |
Beginning Balance | 612 | 612 | 612
Currency translation adjustments | 7 | 0 | 0
Decrease from reclassification to assets of disposal group held for sale |  | 0 |
Goodwill acquired | 4,239 |  |
Ending Balance | 4,859 | 612 | 612
Other non-reportable business segments |  |  |
Goodwill [Roll Forward] |  |  |
Beginning Balance | 0 | 30 | 30
Currency translation adjustments | 0 | 0 | 0
Decrease from reclassification to assets of disposal group held for sale |  | (30) |
Goodwill acquired | 0 |  |
Ending Balance | $ 0 | $ 0 | $ 30

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