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BUSINESS COMBINATION - Merger-related Charges (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 03, 2020 | Jan. 01, 2021 | Jun. 28, 2019 | Jun. 29, 2018
Business Acquisition [Line Items] |  |  |  |
Restructuring charges, recognized as incurred | $ 117 | $ 26 |  |
L3Harris |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Equity award acceleration charges, recognized upon change in control | 70 | 0 | $ 0 |
Transaction costs, recognized as incurred | 83 | 0 | 31 |
Additional cost of sales related to the fair value step-up in inventory sold | 142 | 31 | 0 |
Restructuring charges, recognized as incurred | 117 | 10 | 0 | $ 0
Facility consolidation costs | 48 | 0 | 0 |
Integration costs, recognized as incurred | 72 | 130 | 34 |
Total L3Harris Merger-related charges | $ 532 | $ 171 | $ 65 |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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