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Business Divestitures - Completed Divestitures (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Oct. 01, 2021 | Oct. 02, 2020 | Jan. 01, 2021 | Jul. 02, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net cash proceeds | $ 7 | $ 0 |  |
Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price | 1,653 |  | $ 1,054 |
Net cash proceeds | 1,598 |  | 1,039 |
Disposed of by Sale | Electron Devices business | Aviation Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price | 185 |  |  |
Net cash proceeds | 173 |  |  |
Disposed of by Sale | VSE disposal group | Aviation Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price | 20 |  |  |
Net cash proceeds | 19 |  |  |
Disposed of by Sale | CPS business | Aviation Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price |  |  |  | $ 398
Net cash proceeds | 347 |  |  |
Disposed of by Sale | Military training business | Aviation Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price |  |  |  | $ 1,050
Net cash proceeds | $ 1,059 |  |  |
Disposed of by Sale | EOTech | Communication Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price |  |  | 42 |
Net cash proceeds |  |  | 40 |
Disposed of by Sale | Applied Kilovolts business | Space and Airborne Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price |  |  | 12 |
Net cash proceeds |  |  | 12 |
Disposed of by Sale | Airport security and automation business | Aviation Systems |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale price |  |  | 1,000 |
Net cash proceeds |  |  | $ 987 |

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