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INTANGIBLE ASSETS - Summary of Intangible Assets (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 03, 2020 USD ($) | Dec. 28, 2018 USD ($) | Jan. 01, 2021 USD ($) divestiture | Jan. 03, 2020 USD ($) | Jun. 28, 2019 USD ($) | Jun. 29, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross Carrying Amount | $ 7,461 |  | $ 7,667 | $ 7,461 |  |
Accumulated Amortization | 875 |  | 1,583 | 875 |  |
Net carrying amount | 6,586 |  | 6,084 | 6,586 |  |
Total intangibles, gross carrying amount | 9,333 |  | 9,491 | 9,333 |  |
Total identifiable intangible assets | 8,458 |  | 7,908 | 8,458 |  |
Business divestiture-related (losses) gains | 229 | $ 0 | $ (51) | 229 | $ 0 | $ 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Number of business divested | divestiture |  |  | 3 |  |  |
Business divestiture-related (losses) gains |  |  | $ 296 |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Intangibles reclassified to assets of disposal group |  |  | 5 |  |  |
In-process research and development |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Indefinite-lived intangibles | 69 |  | 21 | 69 |  |
Trade names - corporate |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Indefinite-lived intangibles | 1,803 |  | 1,803 | 1,803 |  |
Customer relationships |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross Carrying Amount | 6,518 |  | 6,863 | 6,518 |  |
Accumulated Amortization | 653 |  | 1,257 | 653 |  |
Net carrying amount | 5,865 |  | 5,606 | 5,865 |  |
Developed technologies |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross Carrying Amount | 768 |  | 653 | 768 |  |
Accumulated Amortization | 183 |  | 261 | 183 |  |
Net carrying amount | 585 |  | 392 | 585 |  |
Contract backlog |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross Carrying Amount | 0 |  | 19 | 0 |  |
Accumulated Amortization | 0 |  | 17 | 0 |  |
Net carrying amount | 0 |  | 2 | 0 |  |
Trade names - corporate |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross Carrying Amount | 165 |  | 129 | 165 |  |
Accumulated Amortization | 35 |  | 45 | 35 |  |
Net carrying amount | 130 |  | 84 | 130 |  |
Other |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Gross Carrying Amount | 10 |  | 3 | 10 |  |
Accumulated Amortization | 4 |  | 3 | 4 |  |
Net carrying amount | $ 6 |  | $ 0 | $ 6 |  |

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