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GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jul. 01, 2022 USD ($) | Jun. 30, 2023 USD ($) unit | Jul. 01, 2022 USD ($) | Dec. 30, 2022 USD ($) unit | Jan. 03, 2023 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Number of reporting units | unit |  |  | 8 |  | 9 |
Reallocation of goodwill in business realignment |  |  | $ 0 |  |  |
Goodwill | $ 18,417 |  | 18,417 |  | $ 17,283 |
Amortization of acquisition-related intangibles | 173 | $ 151 | 338 | $ 303 |  |
Impairment of intangible assets | 21 | $ 0 | 39 | $ 0 |  |
Tactical Data Links (TDL) Product Line |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 1,117
SAS |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Reallocation of goodwill in business realignment |  |  | 327 |  |  |
Goodwill | 6,107 |  | 6,107 |  | $ 5,778 |
Discontinued Operations, Disposed of by Means Other than Sale, Abandonment | Open Water Power Facility | In-process research and development |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Impairment of intangible assets | $ 21 |  | $ 21 |  |  |

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